Exact Mass: 738.5216454000001

Exact Mass Matches: 738.5216454000001

Found 196 metabolites which its exact mass value is equals to given mass value 738.5216454000001, within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error 0.001 dalton.

Cer(t18:0/LTE4)

(5S,6R,7E,9E,11Z,14Z)-6-{[(2R)-2-amino-2-{[(2S)-1,3,4-trihydroxyoctadecan-2-yl]-C-hydroxycarbonimidoyl}ethyl]sulphanyl}-5-hydroxyicosa-7,9,11,14-tetraenoic acid

C41H74N2O7S (738.5216454000001)

Cer(t18:0/LTE4) is an oxidized ceramide (Cer). As all ceramides, oxidized ceramides are members of the class of compounds known as sphingolipids (SPs), or glycosylceramides. SPs are lipids containing a backbone of sphingoid bases (e.g. sphingosine or sphinganine) that are often covalently bound to a fatty acid derivative through N-acylation. SPs are found in cell membranes, particularly in peripheral nerve cells and the cells found in the central nervous system (including the brain and spinal cord). Sphingolipids are extremely versatile molecules that have functions controlling fundamental cellular processes such as cell division, differentiation, and cell death. Impairments associated with sphingolipid metabolism are associated with many common human diseases such as diabetes, various cancers, microbial infections, diseases of the cardiovascular and respiratory systems, Alzheimer’s disease and other neurological syndromes. The biosynthesis and catabolism of sphingolipids involves a large number of intermediate metabolites where many different enzymes are involved. Simple sphingolipids, which include the sphingoid bases and ceramides, make up the early products of the sphingolipid synthetic pathways, while complex sphingolipids may be formed by the addition of head groups to the ceramide template (Wikipedia). In humans, ceramides are phosphorylated to ceramide phosphates (CerPs) through the action of a specific ceramide kinase (CerK). Ceramide phosphates are important metabolites of ceramides as they act as a mediators of the inflammatory response. Ceramides are also one of the hydrolysis byproducts of sphingomyelins (SMs) through the action of the enzyme sphingomyelin phosphodiesterase, which has been identified in the subcellular fractions of human epidermis (PMID: 25935) and many other tissues. Ceramides can also be synthesized from serine and palmitate in a de novo pathway and are regarded as important cellular signals for inducing apoptosis (PMID: 14998372). Ceramides are key in the biosynthesis of glycosphingolipids and gangliosides. In terms of its appearance and structure, Cer(d18:1/22:1(13Z)) is a colorless solid that consists of an unsaturated 18-carbon sphingoid base with an attached unsaturated 13Z-docosenoyl fatty acid side chain. In most mammalian SPs, the 18-carbon sphingoid bases are predominant (PMID: 9759481).

SM(d16:1/20:3(5Z,8Z,11Z)-O(14R,15S))

(2-{[(2S,3R,4E)-3-hydroxy-2-[(5Z,8Z,11Z)-13-(3-pentyloxiran-2-yl)trideca-5,8,11-trienamido]hexadec-4-en-1-yl phosphono]oxy}ethyl)trimethylazanium

C41H75N2O7P (738.5311610000001)

SM(d16:1/20:3(5Z,8Z,11Z)-O(14R,15S)) is a type of oxidized sphingolipid found in animal cell membranes. It usually consists of phosphorylcholine and ceramide. SM(d16:1/20:3(5Z,8Z,11Z)-O(14R,15S)) consists of a sphingosine backbone and a 14,15-epoxyeicosatrienoyl chain. In humans, sphingomyelin is the only membrane phospholipid not derived from glycerol. Like all sphingolipids, SM has a ceramide core (sphingosine bonded to a fatty acid via an amide linkage). In addition, it contains one polar head group, which is either phosphocholine or phosphoethanolamine. The plasma membrane of cells is highly enriched in sphingomyelin and is considered largely to be found in the exoplasmic leaflet of the cell membrane. However, there is some evidence that there may also be a sphingomyelin pool in the inner leaflet of the membrane. Moreover, neutral sphingomyelinase-2, an enzyme that breaks down sphingomyelin into ceramide, has been found to localize exclusively to the inner leaflet further suggesting that there may be sphingomyelin present there. Sphingomyelin can accumulate in a rare hereditary disease called Niemann-Pick Disease, types A and B. Niemann-Pick disease is a genetically-inherited disease caused by a deficiency in the enzyme sphingomyelinase, which causes the accumulation of sphingomyelin in spleen, liver, lungs, bone marrow, and the brain, causing irreversible neurological damage. SMs play a role in signal transduction. Sphingomyelins are synthesized by the transfer of phosphorylcholine from phosphatidylcholine to a ceramide in a reaction catalyzed by sphingomyelin synthase.

SM(d16:1/20:3(5Z,8Z,14Z)-O(11S,12R))

(2-{[(2S,3R,4E)-3-hydroxy-2-[(5Z,8Z)-10-{3-[(2Z)-oct-2-en-1-yl]oxiran-2-yl}deca-5,8-dienamido]hexadec-4-en-1-yl phosphono]oxy}ethyl)trimethylazanium

C41H75N2O7P (738.5311610000001)

SM(d16:1/20:3(5Z,8Z,14Z)-O(11S,12R)) is a type of oxidized sphingolipid found in animal cell membranes. It usually consists of phosphorylcholine and ceramide. SM(d16:1/20:3(5Z,8Z,14Z)-O(11S,12R)) consists of a sphingosine backbone and a 11,12-epoxyeicosatrienoyl chain. In humans, sphingomyelin is the only membrane phospholipid not derived from glycerol. Like all sphingolipids, SM has a ceramide core (sphingosine bonded to a fatty acid via an amide linkage). In addition, it contains one polar head group, which is either phosphocholine or phosphoethanolamine. The plasma membrane of cells is highly enriched in sphingomyelin and is considered largely to be found in the exoplasmic leaflet of the cell membrane. However, there is some evidence that there may also be a sphingomyelin pool in the inner leaflet of the membrane. Moreover, neutral sphingomyelinase-2, an enzyme that breaks down sphingomyelin into ceramide, has been found to localize exclusively to the inner leaflet further suggesting that there may be sphingomyelin present there. Sphingomyelin can accumulate in a rare hereditary disease called Niemann-Pick Disease, types A and B. Niemann-Pick disease is a genetically-inherited disease caused by a deficiency in the enzyme sphingomyelinase, which causes the accumulation of sphingomyelin in spleen, liver, lungs, bone marrow, and the brain, causing irreversible neurological damage. SMs play a role in signal transduction. Sphingomyelins are synthesized by the transfer of phosphorylcholine from phosphatidylcholine to a ceramide in a reaction catalyzed by sphingomyelin synthase.

SM(d16:1/20:3(5Z,11Z,14Z)-O(8,9))

(2-{[(2S,3R,4E)-3-hydroxy-2-[(5Z)-7-{3-[(2Z,5Z)-undeca-2,5-dien-1-yl]oxiran-2-yl}hept-5-enamido]hexadec-4-en-1-yl phosphono]oxy}ethyl)trimethylazanium

C41H75N2O7P (738.5311610000001)

SM(d16:1/20:3(5Z,11Z,14Z)-O(8,9)) is a type of oxidized sphingolipid found in animal cell membranes. It usually consists of phosphorylcholine and ceramide. SM(d16:1/20:3(5Z,11Z,14Z)-O(8,9)) consists of a sphingosine backbone and a 8,9--epoxyeicosatrienoyl chain. In humans, sphingomyelin is the only membrane phospholipid not derived from glycerol. Like all sphingolipids, SM has a ceramide core (sphingosine bonded to a fatty acid via an amide linkage). In addition, it contains one polar head group, which is either phosphocholine or phosphoethanolamine. The plasma membrane of cells is highly enriched in sphingomyelin and is considered largely to be found in the exoplasmic leaflet of the cell membrane. However, there is some evidence that there may also be a sphingomyelin pool in the inner leaflet of the membrane. Moreover, neutral sphingomyelinase-2, an enzyme that breaks down sphingomyelin into ceramide, has been found to localize exclusively to the inner leaflet further suggesting that there may be sphingomyelin present there. Sphingomyelin can accumulate in a rare hereditary disease called Niemann-Pick Disease, types A and B. Niemann-Pick disease is a genetically-inherited disease caused by a deficiency in the enzyme sphingomyelinase, which causes the accumulation of sphingomyelin in spleen, liver, lungs, bone marrow, and the brain, causing irreversible neurological damage. SMs play a role in signal transduction. Sphingomyelins are synthesized by the transfer of phosphorylcholine from phosphatidylcholine to a ceramide in a reaction catalyzed by sphingomyelin synthase.

SM(d16:1/20:3(8Z,11Z,14Z)-O(5,6))

(2-{[(2S,3R,4E)-3-hydroxy-2-(4-{3-[(2Z,5Z,8Z)-tetradeca-2,5,8-trien-1-yl]oxiran-2-yl}butanamido)hexadec-4-en-1-yl phosphono]oxy}ethyl)trimethylazanium

C41H75N2O7P (738.5311610000001)

SM(d16:1/20:3(8Z,11Z,14Z)-O(5,6)) is a type of oxidized sphingolipid found in animal cell membranes. It usually consists of phosphorylcholine and ceramide. SM(d16:1/20:3(8Z,11Z,14Z)-O(5,6)) consists of a sphingosine backbone and a 5,6-epoxyeicosatrienoyl chain. In humans, sphingomyelin is the only membrane phospholipid not derived from glycerol. Like all sphingolipids, SM has a ceramide core (sphingosine bonded to a fatty acid via an amide linkage). In addition, it contains one polar head group, which is either phosphocholine or phosphoethanolamine. The plasma membrane of cells is highly enriched in sphingomyelin and is considered largely to be found in the exoplasmic leaflet of the cell membrane. However, there is some evidence that there may also be a sphingomyelin pool in the inner leaflet of the membrane. Moreover, neutral sphingomyelinase-2, an enzyme that breaks down sphingomyelin into ceramide, has been found to localize exclusively to the inner leaflet further suggesting that there may be sphingomyelin present there. Sphingomyelin can accumulate in a rare hereditary disease called Niemann-Pick Disease, types A and B. Niemann-Pick disease is a genetically-inherited disease caused by a deficiency in the enzyme sphingomyelinase, which causes the accumulation of sphingomyelin in spleen, liver, lungs, bone marrow, and the brain, causing irreversible neurological damage. SMs play a role in signal transduction. Sphingomyelins are synthesized by the transfer of phosphorylcholine from phosphatidylcholine to a ceramide in a reaction catalyzed by sphingomyelin synthase.

SM(d16:1/20:4(5Z,8Z,11Z,14Z)-OH(20))

(2-{[(2S,3R,4E)-3-hydroxy-2-[(5Z,8Z,11Z,14Z)-20-hydroxyicosa-5,8,11,14-tetraenamido]hexadec-4-en-1-yl phosphono]oxy}ethyl)trimethylazanium

C41H75N2O7P (738.5311610000001)

SM(d16:1/20:4(5Z,8Z,11Z,14Z)-OH(20)) is a type of oxidized sphingolipid found in animal cell membranes. It usually consists of phosphorylcholine and ceramide. SM(d16:1/20:4(5Z,8Z,11Z,14Z)-OH(20)) consists of a sphingosine backbone and a 20-Hydroxyeicosatetraenoyl chain. In humans, sphingomyelin is the only membrane phospholipid not derived from glycerol. Like all sphingolipids, SM has a ceramide core (sphingosine bonded to a fatty acid via an amide linkage). In addition, it contains one polar head group, which is either phosphocholine or phosphoethanolamine. The plasma membrane of cells is highly enriched in sphingomyelin and is considered largely to be found in the exoplasmic leaflet of the cell membrane. However, there is some evidence that there may also be a sphingomyelin pool in the inner leaflet of the membrane. Moreover, neutral sphingomyelinase-2, an enzyme that breaks down sphingomyelin into ceramide, has been found to localize exclusively to the inner leaflet further suggesting that there may be sphingomyelin present there. Sphingomyelin can accumulate in a rare hereditary disease called Niemann-Pick Disease, types A and B. Niemann-Pick disease is a genetically-inherited disease caused by a deficiency in the enzyme sphingomyelinase, which causes the accumulation of sphingomyelin in spleen, liver, lungs, bone marrow, and the brain, causing irreversible neurological damage. SMs play a role in signal transduction. Sphingomyelins are synthesized by the transfer of phosphorylcholine from phosphatidylcholine to a ceramide in a reaction catalyzed by sphingomyelin synthase.

SM(d16:1/20:4(6E,8Z,11Z,14Z)-OH(5S))

(2-{[(2S,3R,4E)-3-hydroxy-2-[(5R,6E,8Z,11Z,14Z)-5-hydroxyicosa-6,8,11,14-tetraenamido]hexadec-4-en-1-yl phosphono]oxy}ethyl)trimethylazanium

C41H75N2O7P (738.5311610000001)

SM(d16:1/20:4(6E,8Z,11Z,14Z)-OH(5S)) is a type of oxidized sphingolipid found in animal cell membranes. It usually consists of phosphorylcholine and ceramide. SM(d16:1/20:4(6E,8Z,11Z,14Z)-OH(5S)) consists of a sphingosine backbone and a 5-Hydroxyeicosatetraenoyl chain. In humans, sphingomyelin is the only membrane phospholipid not derived from glycerol. Like all sphingolipids, SM has a ceramide core (sphingosine bonded to a fatty acid via an amide linkage). In addition, it contains one polar head group, which is either phosphocholine or phosphoethanolamine. The plasma membrane of cells is highly enriched in sphingomyelin and is considered largely to be found in the exoplasmic leaflet of the cell membrane. However, there is some evidence that there may also be a sphingomyelin pool in the inner leaflet of the membrane. Moreover, neutral sphingomyelinase-2, an enzyme that breaks down sphingomyelin into ceramide, has been found to localize exclusively to the inner leaflet further suggesting that there may be sphingomyelin present there. Sphingomyelin can accumulate in a rare hereditary disease called Niemann-Pick Disease, types A and B. Niemann-Pick disease is a genetically-inherited disease caused by a deficiency in the enzyme sphingomyelinase, which causes the accumulation of sphingomyelin in spleen, liver, lungs, bone marrow, and the brain, causing irreversible neurological damage. SMs play a role in signal transduction. Sphingomyelins are synthesized by the transfer of phosphorylcholine from phosphatidylcholine to a ceramide in a reaction catalyzed by sphingomyelin synthase.

SM(d16:1/20:4(5Z,8Z,11Z,14Z)-OH(19S))

(2-{[(2S,3R,4E)-3-hydroxy-2-[(5Z,8Z,11Z,14Z,19S)-19-hydroxyicosa-5,8,11,14-tetraenamido]hexadec-4-en-1-yl phosphono]oxy}ethyl)trimethylazanium

C41H75N2O7P (738.5311610000001)

SM(d16:1/20:4(5Z,8Z,11Z,14Z)-OH(19S)) is a type of oxidized sphingolipid found in animal cell membranes. It usually consists of phosphorylcholine and ceramide. SM(d16:1/20:4(5Z,8Z,11Z,14Z)-OH(19S)) consists of a sphingosine backbone and a 19-Hydroxyeicosatetraenoyl chain. In humans, sphingomyelin is the only membrane phospholipid not derived from glycerol. Like all sphingolipids, SM has a ceramide core (sphingosine bonded to a fatty acid via an amide linkage). In addition, it contains one polar head group, which is either phosphocholine or phosphoethanolamine. The plasma membrane of cells is highly enriched in sphingomyelin and is considered largely to be found in the exoplasmic leaflet of the cell membrane. However, there is some evidence that there may also be a sphingomyelin pool in the inner leaflet of the membrane. Moreover, neutral sphingomyelinase-2, an enzyme that breaks down sphingomyelin into ceramide, has been found to localize exclusively to the inner leaflet further suggesting that there may be sphingomyelin present there. Sphingomyelin can accumulate in a rare hereditary disease called Niemann-Pick Disease, types A and B. Niemann-Pick disease is a genetically-inherited disease caused by a deficiency in the enzyme sphingomyelinase, which causes the accumulation of sphingomyelin in spleen, liver, lungs, bone marrow, and the brain, causing irreversible neurological damage. SMs play a role in signal transduction. Sphingomyelins are synthesized by the transfer of phosphorylcholine from phosphatidylcholine to a ceramide in a reaction catalyzed by sphingomyelin synthase.

SM(d16:1/20:4(5Z,8Z,11Z,14Z)-OH(18R))

(2-{[(2S,3R,4E)-3-hydroxy-2-[(5Z,8Z,11Z,14Z,18R)-18-hydroxyicosa-5,8,11,14-tetraenamido]hexadec-4-en-1-yl phosphono]oxy}ethyl)trimethylazanium

C41H75N2O7P (738.5311610000001)

SM(d16:1/20:4(5Z,8Z,11Z,14Z)-OH(18R)) is a type of oxidized sphingolipid found in animal cell membranes. It usually consists of phosphorylcholine and ceramide. SM(d16:1/20:4(5Z,8Z,11Z,14Z)-OH(18R)) consists of a sphingosine backbone and a 18-Hydroxyeicosatetraenoyl chain. In humans, sphingomyelin is the only membrane phospholipid not derived from glycerol. Like all sphingolipids, SM has a ceramide core (sphingosine bonded to a fatty acid via an amide linkage). In addition, it contains one polar head group, which is either phosphocholine or phosphoethanolamine. The plasma membrane of cells is highly enriched in sphingomyelin and is considered largely to be found in the exoplasmic leaflet of the cell membrane. However, there is some evidence that there may also be a sphingomyelin pool in the inner leaflet of the membrane. Moreover, neutral sphingomyelinase-2, an enzyme that breaks down sphingomyelin into ceramide, has been found to localize exclusively to the inner leaflet further suggesting that there may be sphingomyelin present there. Sphingomyelin can accumulate in a rare hereditary disease called Niemann-Pick Disease, types A and B. Niemann-Pick disease is a genetically-inherited disease caused by a deficiency in the enzyme sphingomyelinase, which causes the accumulation of sphingomyelin in spleen, liver, lungs, bone marrow, and the brain, causing irreversible neurological damage. SMs play a role in signal transduction. Sphingomyelins are synthesized by the transfer of phosphorylcholine from phosphatidylcholine to a ceramide in a reaction catalyzed by sphingomyelin synthase.

SM(d16:1/20:4(5Z,8Z,11Z,14Z)-OH(17))

(2-{[(2S,3R,4E)-3-hydroxy-2-[(5Z,8Z,11Z,14Z)-17-hydroxyicosa-5,8,11,14-tetraenamido]hexadec-4-en-1-yl phosphono]oxy}ethyl)trimethylazanium

C41H75N2O7P (738.5311610000001)

SM(d16:1/20:4(5Z,8Z,11Z,14Z)-OH(17)) is a type of oxidized sphingolipid found in animal cell membranes. It usually consists of phosphorylcholine and ceramide. SM(d16:1/20:4(5Z,8Z,11Z,14Z)-OH(17)) consists of a sphingosine backbone and a 17-Hydroxyeicosatetraenoyl chain. In humans, sphingomyelin is the only membrane phospholipid not derived from glycerol. Like all sphingolipids, SM has a ceramide core (sphingosine bonded to a fatty acid via an amide linkage). In addition, it contains one polar head group, which is either phosphocholine or phosphoethanolamine. The plasma membrane of cells is highly enriched in sphingomyelin and is considered largely to be found in the exoplasmic leaflet of the cell membrane. However, there is some evidence that there may also be a sphingomyelin pool in the inner leaflet of the membrane. Moreover, neutral sphingomyelinase-2, an enzyme that breaks down sphingomyelin into ceramide, has been found to localize exclusively to the inner leaflet further suggesting that there may be sphingomyelin present there. Sphingomyelin can accumulate in a rare hereditary disease called Niemann-Pick Disease, types A and B. Niemann-Pick disease is a genetically-inherited disease caused by a deficiency in the enzyme sphingomyelinase, which causes the accumulation of sphingomyelin in spleen, liver, lungs, bone marrow, and the brain, causing irreversible neurological damage. SMs play a role in signal transduction. Sphingomyelins are synthesized by the transfer of phosphorylcholine from phosphatidylcholine to a ceramide in a reaction catalyzed by sphingomyelin synthase.

SM(d16:1/20:4(5Z,8Z,11Z,14Z)-OH(16R))

(2-{[(2S,3R,4E)-3-hydroxy-2-[(5Z,8Z,11Z,14Z,16R)-16-hydroxyicosa-5,8,11,14-tetraenamido]hexadec-4-en-1-yl phosphono]oxy}ethyl)trimethylazanium

C41H75N2O7P (738.5311610000001)

SM(d16:1/20:4(5Z,8Z,11Z,14Z)-OH(16R)) is a type of oxidized sphingolipid found in animal cell membranes. It usually consists of phosphorylcholine and ceramide. SM(d16:1/20:4(5Z,8Z,11Z,14Z)-OH(16R)) consists of a sphingosine backbone and a 16-Hydroxyeicosatetraenoyl chain. In humans, sphingomyelin is the only membrane phospholipid not derived from glycerol. Like all sphingolipids, SM has a ceramide core (sphingosine bonded to a fatty acid via an amide linkage). In addition, it contains one polar head group, which is either phosphocholine or phosphoethanolamine. The plasma membrane of cells is highly enriched in sphingomyelin and is considered largely to be found in the exoplasmic leaflet of the cell membrane. However, there is some evidence that there may also be a sphingomyelin pool in the inner leaflet of the membrane. Moreover, neutral sphingomyelinase-2, an enzyme that breaks down sphingomyelin into ceramide, has been found to localize exclusively to the inner leaflet further suggesting that there may be sphingomyelin present there. Sphingomyelin can accumulate in a rare hereditary disease called Niemann-Pick Disease, types A and B. Niemann-Pick disease is a genetically-inherited disease caused by a deficiency in the enzyme sphingomyelinase, which causes the accumulation of sphingomyelin in spleen, liver, lungs, bone marrow, and the brain, causing irreversible neurological damage. SMs play a role in signal transduction. Sphingomyelins are synthesized by the transfer of phosphorylcholine from phosphatidylcholine to a ceramide in a reaction catalyzed by sphingomyelin synthase.

SM(d16:1/20:4(5Z,8Z,11Z,13E)-OH(15S))

(2-{[(2S,3R,4E)-3-hydroxy-2-[(5Z,8Z,11Z,13E,15S)-15-hydroxyicosa-5,8,11,13-tetraenamido]hexadec-4-en-1-yl phosphono]oxy}ethyl)trimethylazanium

C41H75N2O7P (738.5311610000001)

SM(d16:1/20:4(5Z,8Z,11Z,13E)-OH(15S)) is a type of oxidized sphingolipid found in animal cell membranes. It usually consists of phosphorylcholine and ceramide. SM(d16:1/20:4(5Z,8Z,11Z,13E)-OH(15S)) consists of a sphingosine backbone and a 15-Hydroxyeicosatetraenoyl chain. In humans, sphingomyelin is the only membrane phospholipid not derived from glycerol. Like all sphingolipids, SM has a ceramide core (sphingosine bonded to a fatty acid via an amide linkage). In addition, it contains one polar head group, which is either phosphocholine or phosphoethanolamine. The plasma membrane of cells is highly enriched in sphingomyelin and is considered largely to be found in the exoplasmic leaflet of the cell membrane. However, there is some evidence that there may also be a sphingomyelin pool in the inner leaflet of the membrane. Moreover, neutral sphingomyelinase-2, an enzyme that breaks down sphingomyelin into ceramide, has been found to localize exclusively to the inner leaflet further suggesting that there may be sphingomyelin present there. Sphingomyelin can accumulate in a rare hereditary disease called Niemann-Pick Disease, types A and B. Niemann-Pick disease is a genetically-inherited disease caused by a deficiency in the enzyme sphingomyelinase, which causes the accumulation of sphingomyelin in spleen, liver, lungs, bone marrow, and the brain, causing irreversible neurological damage. SMs play a role in signal transduction. Sphingomyelins are synthesized by the transfer of phosphorylcholine from phosphatidylcholine to a ceramide in a reaction catalyzed by sphingomyelin synthase.

SM(d16:1/20:4(5Z,8Z,10E,14Z)-OH(12S))

(2-{[(2S,3R,4E)-3-hydroxy-2-[(5Z,8Z,10E,12S,14Z)-12-hydroxyicosa-5,8,10,14-tetraenamido]hexadec-4-en-1-yl phosphono]oxy}ethyl)trimethylazanium

C41H75N2O7P (738.5311610000001)

SM(d16:1/20:4(5Z,8Z,10E,14Z)-OH(12S)) is a type of oxidized sphingolipid found in animal cell membranes. It usually consists of phosphorylcholine and ceramide. SM(d16:1/20:4(5Z,8Z,10E,14Z)-OH(12S)) consists of a sphingosine backbone and a 12-Hydroxyeicosatetraenoyl chain. In humans, sphingomyelin is the only membrane phospholipid not derived from glycerol. Like all sphingolipids, SM has a ceramide core (sphingosine bonded to a fatty acid via an amide linkage). In addition, it contains one polar head group, which is either phosphocholine or phosphoethanolamine. The plasma membrane of cells is highly enriched in sphingomyelin and is considered largely to be found in the exoplasmic leaflet of the cell membrane. However, there is some evidence that there may also be a sphingomyelin pool in the inner leaflet of the membrane. Moreover, neutral sphingomyelinase-2, an enzyme that breaks down sphingomyelin into ceramide, has been found to localize exclusively to the inner leaflet further suggesting that there may be sphingomyelin present there. Sphingomyelin can accumulate in a rare hereditary disease called Niemann-Pick Disease, types A and B. Niemann-Pick disease is a genetically-inherited disease caused by a deficiency in the enzyme sphingomyelinase, which causes the accumulation of sphingomyelin in spleen, liver, lungs, bone marrow, and the brain, causing irreversible neurological damage. SMs play a role in signal transduction. Sphingomyelins are synthesized by the transfer of phosphorylcholine from phosphatidylcholine to a ceramide in a reaction catalyzed by sphingomyelin synthase.

SM(d16:1/20:4(5E,8Z,12Z,14Z)-OH(11R))

(2-{[(2S,3R,4E)-3-hydroxy-2-[(5E,8Z,11R,12Z,14Z)-11-hydroxyicosa-5,8,12,14-tetraenamido]hexadec-4-en-1-yl phosphono]oxy}ethyl)trimethylazanium

C41H75N2O7P (738.5311610000001)

SM(d16:1/20:4(5E,8Z,12Z,14Z)-OH(11R)) is a type of oxidized sphingolipid found in animal cell membranes. It usually consists of phosphorylcholine and ceramide. SM(d16:1/20:4(5E,8Z,12Z,14Z)-OH(11R)) consists of a sphingosine backbone and a 11-Hydroxyeicosatetraenoyl chain. In humans, sphingomyelin is the only membrane phospholipid not derived from glycerol. Like all sphingolipids, SM has a ceramide core (sphingosine bonded to a fatty acid via an amide linkage). In addition, it contains one polar head group, which is either phosphocholine or phosphoethanolamine. The plasma membrane of cells is highly enriched in sphingomyelin and is considered largely to be found in the exoplasmic leaflet of the cell membrane. However, there is some evidence that there may also be a sphingomyelin pool in the inner leaflet of the membrane. Moreover, neutral sphingomyelinase-2, an enzyme that breaks down sphingomyelin into ceramide, has been found to localize exclusively to the inner leaflet further suggesting that there may be sphingomyelin present there. Sphingomyelin can accumulate in a rare hereditary disease called Niemann-Pick Disease, types A and B. Niemann-Pick disease is a genetically-inherited disease caused by a deficiency in the enzyme sphingomyelinase, which causes the accumulation of sphingomyelin in spleen, liver, lungs, bone marrow, and the brain, causing irreversible neurological damage. SMs play a role in signal transduction. Sphingomyelins are synthesized by the transfer of phosphorylcholine from phosphatidylcholine to a ceramide in a reaction catalyzed by sphingomyelin synthase.

SM(d16:1/20:4(5Z,7E,11Z,14Z)-OH(9))

(2-{[(2S,3R,4E)-3-hydroxy-2-[(5E,7Z,11Z,14Z)-9-hydroxyicosa-5,7,11,14-tetraenamido]hexadec-4-en-1-yl phosphono]oxy}ethyl)trimethylazanium

C41H75N2O7P (738.5311610000001)

SM(d16:1/20:4(5Z,7E,11Z,14Z)-OH(9)) is a type of oxidized sphingolipid found in animal cell membranes. It usually consists of phosphorylcholine and ceramide. SM(d16:1/20:4(5Z,7E,11Z,14Z)-OH(9)) consists of a sphingosine backbone and a 9-Hydroxyeicosatetraenoyl chain. In humans, sphingomyelin is the only membrane phospholipid not derived from glycerol. Like all sphingolipids, SM has a ceramide core (sphingosine bonded to a fatty acid via an amide linkage). In addition, it contains one polar head group, which is either phosphocholine or phosphoethanolamine. The plasma membrane of cells is highly enriched in sphingomyelin and is considered largely to be found in the exoplasmic leaflet of the cell membrane. However, there is some evidence that there may also be a sphingomyelin pool in the inner leaflet of the membrane. Moreover, neutral sphingomyelinase-2, an enzyme that breaks down sphingomyelin into ceramide, has been found to localize exclusively to the inner leaflet further suggesting that there may be sphingomyelin present there. Sphingomyelin can accumulate in a rare hereditary disease called Niemann-Pick Disease, types A and B. Niemann-Pick disease is a genetically-inherited disease caused by a deficiency in the enzyme sphingomyelinase, which causes the accumulation of sphingomyelin in spleen, liver, lungs, bone marrow, and the brain, causing irreversible neurological damage. SMs play a role in signal transduction. Sphingomyelins are synthesized by the transfer of phosphorylcholine from phosphatidylcholine to a ceramide in a reaction catalyzed by sphingomyelin synthase.

SM(d16:2(4E,8Z)/20:3(6,8,11)-OH(5))

(2-{[(2S,3R,4E,8Z)-3-hydroxy-2-[(6E,8E,11E)-5-hydroxyicosa-6,8,11-trienamido]hexadeca-4,8-dien-1-yl phosphono]oxy}ethyl)trimethylazanium

C41H75N2O7P (738.5311610000001)

SM(d16:2(4E,8Z)/20:3(6,8,11)-OH(5)) is a type of oxidized sphingolipid found in animal cell membranes. It usually consists of phosphorylcholine and ceramide. SM(d16:2(4E,8Z)/20:3(6,8,11)-OH(5)) consists of a sphingosine backbone and a 5-hydroxyeicosatetrienoyl chain. In humans, sphingomyelin is the only membrane phospholipid not derived from glycerol. Like all sphingolipids, SM has a ceramide core (sphingosine bonded to a fatty acid via an amide linkage). In addition, it contains one polar head group, which is either phosphocholine or phosphoethanolamine. The plasma membrane of cells is highly enriched in sphingomyelin and is considered largely to be found in the exoplasmic leaflet of the cell membrane. However, there is some evidence that there may also be a sphingomyelin pool in the inner leaflet of the membrane. Moreover, neutral sphingomyelinase-2, an enzyme that breaks down sphingomyelin into ceramide, has been found to localize exclusively to the inner leaflet further suggesting that there may be sphingomyelin present there. Sphingomyelin can accumulate in a rare hereditary disease called Niemann-Pick Disease, types A and B. Niemann-Pick disease is a genetically-inherited disease caused by a deficiency in the enzyme sphingomyelinase, which causes the accumulation of sphingomyelin in spleen, liver, lungs, bone marrow, and the brain, causing irreversible neurological damage. SMs play a role in signal transduction. Sphingomyelins are synthesized by the transfer of phosphorylcholine from phosphatidylcholine to a ceramide in a reaction catalyzed by sphingomyelin synthase.

SM(d18:2(4E,14Z)/18:2(10E,12Z)+=O(9))

(2-{[(2S,3R,4E,14Z)-3-hydroxy-2-[(10E,12Z)-9-oxooctadeca-10,12-dienamido]octadeca-4,14-dien-1-yl phosphono]oxy}ethyl)trimethylazanium

C41H75N2O7P (738.5311610000001)

SM(d18:2(4E,14Z)/18:2(10E,12Z)+=O(9)) is a type of oxidized sphingolipid found in animal cell membranes. It usually consists of phosphorylcholine and ceramide. SM(d18:2(4E,14Z)/18:2(10E,12Z)+=O(9)) consists of a sphingosine backbone and a 9-oxo-octadecadienoyl chain. In humans, sphingomyelin is the only membrane phospholipid not derived from glycerol. Like all sphingolipids, SM has a ceramide core (sphingosine bonded to a fatty acid via an amide linkage). In addition, it contains one polar head group, which is either phosphocholine or phosphoethanolamine. The plasma membrane of cells is highly enriched in sphingomyelin and is considered largely to be found in the exoplasmic leaflet of the cell membrane. However, there is some evidence that there may also be a sphingomyelin pool in the inner leaflet of the membrane. Moreover, neutral sphingomyelinase-2, an enzyme that breaks down sphingomyelin into ceramide, has been found to localize exclusively to the inner leaflet further suggesting that there may be sphingomyelin present there. Sphingomyelin can accumulate in a rare hereditary disease called Niemann-Pick Disease, types A and B. Niemann-Pick disease is a genetically-inherited disease caused by a deficiency in the enzyme sphingomyelinase, which causes the accumulation of sphingomyelin in spleen, liver, lungs, bone marrow, and the brain, causing irreversible neurological damage. SMs play a role in signal transduction. Sphingomyelins are synthesized by the transfer of phosphorylcholine from phosphatidylcholine to a ceramide in a reaction catalyzed by sphingomyelin synthase.

SM(d18:2(4E,14Z)/18:2(9Z,11E)+=O(13))

(2-{[(2S,3R,4E,14Z)-3-hydroxy-2-[(9Z,11E)-13-oxooctadeca-9,11-dienamido]octadeca-4,14-dien-1-yl phosphono]oxy}ethyl)trimethylazanium

C41H75N2O7P (738.5311610000001)

SM(d18:2(4E,14Z)/18:2(9Z,11E)+=O(13)) is a type of oxidized sphingolipid found in animal cell membranes. It usually consists of phosphorylcholine and ceramide. SM(d18:2(4E,14Z)/18:2(9Z,11E)+=O(13)) consists of a sphingosine backbone and a 13-oxo-octadecadienoyl chain. In humans, sphingomyelin is the only membrane phospholipid not derived from glycerol. Like all sphingolipids, SM has a ceramide core (sphingosine bonded to a fatty acid via an amide linkage). In addition, it contains one polar head group, which is either phosphocholine or phosphoethanolamine. The plasma membrane of cells is highly enriched in sphingomyelin and is considered largely to be found in the exoplasmic leaflet of the cell membrane. However, there is some evidence that there may also be a sphingomyelin pool in the inner leaflet of the membrane. Moreover, neutral sphingomyelinase-2, an enzyme that breaks down sphingomyelin into ceramide, has been found to localize exclusively to the inner leaflet further suggesting that there may be sphingomyelin present there. Sphingomyelin can accumulate in a rare hereditary disease called Niemann-Pick Disease, types A and B. Niemann-Pick disease is a genetically-inherited disease caused by a deficiency in the enzyme sphingomyelinase, which causes the accumulation of sphingomyelin in spleen, liver, lungs, bone marrow, and the brain, causing irreversible neurological damage. SMs play a role in signal transduction. Sphingomyelins are synthesized by the transfer of phosphorylcholine from phosphatidylcholine to a ceramide in a reaction catalyzed by sphingomyelin synthase.

SM(d18:2(4E,14Z)/18:3(10,12,15)-OH(9))

(2-{[(2S,3R,4E,14Z)-3-hydroxy-2-[(10E,12E,15E)-9-hydroxyoctadeca-10,12,15-trienamido]octadeca-4,14-dien-1-yl phosphono]oxy}ethyl)trimethylazanium

C41H75N2O7P (738.5311610000001)

SM(d18:2(4E,14Z)/18:3(10,12,15)-OH(9)) is a type of oxidized sphingolipid found in animal cell membranes. It usually consists of phosphorylcholine and ceramide. SM(d18:2(4E,14Z)/18:3(10,12,15)-OH(9)) consists of a sphingosine backbone and a 9-hydroxyoctadecatrienoyl chain. In humans, sphingomyelin is the only membrane phospholipid not derived from glycerol. Like all sphingolipids, SM has a ceramide core (sphingosine bonded to a fatty acid via an amide linkage). In addition, it contains one polar head group, which is either phosphocholine or phosphoethanolamine. The plasma membrane of cells is highly enriched in sphingomyelin and is considered largely to be found in the exoplasmic leaflet of the cell membrane. However, there is some evidence that there may also be a sphingomyelin pool in the inner leaflet of the membrane. Moreover, neutral sphingomyelinase-2, an enzyme that breaks down sphingomyelin into ceramide, has been found to localize exclusively to the inner leaflet further suggesting that there may be sphingomyelin present there. Sphingomyelin can accumulate in a rare hereditary disease called Niemann-Pick Disease, types A and B. Niemann-Pick disease is a genetically-inherited disease caused by a deficiency in the enzyme sphingomyelinase, which causes the accumulation of sphingomyelin in spleen, liver, lungs, bone marrow, and the brain, causing irreversible neurological damage. SMs play a role in signal transduction. Sphingomyelins are synthesized by the transfer of phosphorylcholine from phosphatidylcholine to a ceramide in a reaction catalyzed by sphingomyelin synthase.

SM(d18:2(4E,14Z)/18:3(9,11,15)-OH(13))

(2-{[(2S,3R,4E,14Z)-3-hydroxy-2-[(9E,11E,15E)-13-hydroxyoctadeca-9,11,15-trienamido]octadeca-4,14-dien-1-yl phosphono]oxy}ethyl)trimethylazanium

C41H75N2O7P (738.5311610000001)

SM(d18:2(4E,14Z)/18:3(9,11,15)-OH(13)) is a type of oxidized sphingolipid found in animal cell membranes. It usually consists of phosphorylcholine and ceramide. SM(d18:2(4E,14Z)/18:3(9,11,15)-OH(13)) consists of a sphingosine backbone and a 13-hydroxyoctadecatrienoyl chain. In humans, sphingomyelin is the only membrane phospholipid not derived from glycerol. Like all sphingolipids, SM has a ceramide core (sphingosine bonded to a fatty acid via an amide linkage). In addition, it contains one polar head group, which is either phosphocholine or phosphoethanolamine. The plasma membrane of cells is highly enriched in sphingomyelin and is considered largely to be found in the exoplasmic leaflet of the cell membrane. However, there is some evidence that there may also be a sphingomyelin pool in the inner leaflet of the membrane. Moreover, neutral sphingomyelinase-2, an enzyme that breaks down sphingomyelin into ceramide, has been found to localize exclusively to the inner leaflet further suggesting that there may be sphingomyelin present there. Sphingomyelin can accumulate in a rare hereditary disease called Niemann-Pick Disease, types A and B. Niemann-Pick disease is a genetically-inherited disease caused by a deficiency in the enzyme sphingomyelinase, which causes the accumulation of sphingomyelin in spleen, liver, lungs, bone marrow, and the brain, causing irreversible neurological damage. SMs play a role in signal transduction. Sphingomyelins are synthesized by the transfer of phosphorylcholine from phosphatidylcholine to a ceramide in a reaction catalyzed by sphingomyelin synthase.