Classification Term: 167977
环肽 (ontology term: 3207874fb00e7ac792fd121b0ed9f5b7)
环肽
found 19 associated metabolites at sub_class
metabolite taxonomy ontology rank level.
Ancestor: 短肽
Child Taxonomies: There is no child term of current ontology term.
Cyclosporine
D007155 - Immunologic Factors > D007166 - Immunosuppressive Agents > D003524 - Cyclosporins D004791 - Enzyme Inhibitors > D065095 - Calcineurin Inhibitors D000890 - Anti-Infective Agents > D000935 - Antifungal Agents D018501 - Antirheumatic Agents D003879 - Dermatologic Agents Cyclosporin A (Cyclosporine A) is an immunosuppressant which binds to the cyclophilin and inhibits phosphatase activity of protein phosphatase 2B (PP2B/calcineurin) with an IC50 of 5 nM[3]. Cyclosporin A also inhibits CD11a/CD18 adhesion[8].
Cyclo(Phe-Pro)
Cyclo(L-Phe-L-Pro), isolated from Pseudomonas fluorescens and Pseudomonas alcaligenes cell-free culture supernatants is an antifungal cyclic dipeptide[1]. Cyclo(L-Phe-L-Pro) inhibits IFN-β production by interfering with retinoic-acid-inducible gene-I (RIG-I) activation[2]. Cyclo(L-Phe-L-Pro) exhibits free-radical scavenging activity with the IC50 of 24 μM in the DPPH assay[3]. Cyclo(L-Phe-L-Pro), isolated from Pseudomonas fluorescens and Pseudomonas alcaligenes cell-free culture supernatants is an antifungal cyclic dipeptide[1]. Cyclo(L-Phe-L-Pro) inhibits IFN-β production by interfering with retinoic-acid-inducible gene-I (RIG-I) activation[2]. Cyclo(L-Phe-L-Pro) exhibits free-radical scavenging activity with the IC50 of 24 μM in the DPPH assay[3].
Cyclo(Leu-Phe)
Cyclo(leu-phe), also known as cyclo(Phe-leu) or cFL, is classified as an alpha amino acid or an Alpha amino acid derivative. Alpha amino acids are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon), or a derivative thereof. Cyclo(leu-phe) is considered to be a practically insoluble (in water) and a moderately acidic compound. Cyclo(leu-phe) can be found in feces.
Mikamycin B
D000890 - Anti-Infective Agents > D000900 - Anti-Bacterial Agents > D025361 - Streptogramins Pristinamycin IA (Mikamycin B) is a cycle-peptidic macrolactone antibiotic. Pristinamycin IA is a substrate of P-glycoprotein and inhibits its function. Pristinamycin IA is active against StaphyloEoccus and Srreptococcus[1].
L,L-Cyclo(leucylprolyl)
L,L-Cyclo(leucylprolyl) is found in alcoholic beverages. L,L-Cyclo(leucylprolyl) is produced by microorganisms and is a bitter component of sake and contributes to the flavour of beer. L,L-Cyclo(leucylprolyl), also known as cyclo(leu-pro) or cyclo(L-prolyl-L-leucyl), belongs to the class of organic compounds known as alpha amino acids and derivatives. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon), or a derivative thereof. L,L-Cyclo(leucylprolyl) is a secondary metabolite. Secondary metabolites are metabolically or physiologically non-essential metabolites that may serve a role as defense or signalling molecules. In some cases they are simply molecules that arise from the incomplete metabolism of other secondary metabolites. Based on a literature review a significant number of articles have been published on L,L-Cyclo(leucylprolyl). L-Leucyl-L-proline lactam. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. https://commonchemistry.cas.org/detail?cas_rn=2873-36-1 (retrieved 2024-07-10) (CAS RN: 2873-36-1). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0). Cyclo(L-Leu-L-Pro) is an inhibitory substance targeting to production of norsolorinic acid (NA,a precursor of aflatoxin),which can be isolated from A. xylosoxidans NFRI-A1. Cyclo(L-Leu-L-Pro) inhibits accumulation of NA by A. parasiticus NFRI-95 and inhibits spore formation. Cyclo(L-Leu-L-Pro) inhibits aflatoxin production with an IC50 of 0.2 mg/mL in A. parasiticus SYS-4[1].
Cyclo(pro-val)
Cyclo(L-Pro-L-Val) is a 2,5-diketopiperazine, with toxic activity against phytopathogenic microorganisms (such as R. fascians LMG 3605). Cyclo(L-Pro-L-Val) shows toxicity similar to Chloramphenicol (HY-B0239) with comparable concentration. Cyclo(L-Pro-L-Val) can also inhibit gram-positive phytopathogenic bacterium. Cyclo(L-Pro-L-Val) has potential development as biopesticide[1]. Cyclo(L-Pro-L-Val) is a 2,5-diketopiperazine, with toxic activity against phytopathogenic microorganisms (such as R. fascians LMG 3605). Cyclo(L-Pro-L-Val) shows toxicity similar to Chloramphenicol (HY-B0239) with comparable concentration. Cyclo(L-Pro-L-Val) can also inhibit gram-positive phytopathogenic bacterium. Cyclo(L-Pro-L-Val) has potential development as biopesticide[1]. Cyclo(Pro-Val) can be isolated from Pseudomonas fluorescens GcM5-1A and has cytotoxicity[1].
HeterophyllinB
Heterophyllin B is a natural product found in Pseudostellaria heterophylla with data available. Heterophyllin B is an active cyclic peptide isolated from Pseudostellaria heterophylla. Heterophyllin B provides a novel strategy for the treatment of esophageal cancer[1]. Heterophyllin B is an active cyclic peptide isolated from Pseudostellaria heterophylla. Heterophyllin B provides a novel strategy for the treatment of esophageal cancer[1].
Ciclosporin
Cyclosporin a appears as white prismatic needles (from acetone) or white powder. (NTP, 1992) Cyclosporin A is a cyclic nonribosomal peptide of eleven amino acids; an immunosuppressant drug widely used in post-allogeneic organ transplant to reduce the activity of the patients immune system, and therefore the risk of organ rejection. Also causes reversible inhibition of immunocompetent lymphocytes in the G0- and G1-phase of the cell cycle. It has a role as an antifungal agent, an antirheumatic drug, a dermatologic drug, an immunosuppressive agent, a metabolite, a carcinogenic agent, an anti-asthmatic drug, an EC 3.1.3.16 (phosphoprotein phosphatase) inhibitor, an anticoronaviral agent and a geroprotector. Cyclosporine is a calcineurin inhibitor known for its immunomodulatory properties that prevent organ transplant rejection and treat various inflammatory and autoimmune conditions. It is isolated from the fungus Beauveria nivea. Initially manufactured by Sandoz and approved for use by the FDA in 1983, cyclosporine is now available in various products by Novartis (previously known as Sandoz). Cyclosporine is a Calcineurin Inhibitor Immunosuppressant. The mechanism of action of cyclosporine is as a Calcineurin Inhibitor, and Cytochrome P450 3A4 Inhibitor, and P-Glycoprotein Inhibitor. Cyclosporine is a calcineurin inhibitor and potent immunosuppressive agent used largely as a means of prophylaxis against cellular rejection after solid organ transplantation. Cyclosporine therapy can be associated with mild elevations in serum bilirubin and transient serum enzyme elevations, and to rare instances of clinically apparent cholestatic liver injury. Ciclosporin is a natural product found in Tolypocladium inflatum and Trichoderma polysporum with data available. Cyclosporine is a natural cyclic polypeptide immunosuppressant isolated from the fungus Beauveria nivea. The exact mechanism of action of cyclosporine is not known but may involve binding to the cellular protein cytophilin, resulting in inhibition of the enzyme calcineurin. This agent appears to specifically and reversibly inhibit immunocompetent lymphocytes in the G0-or G1-phase of the cell cycle. T-lymphocytes are preferentially inhibited with T-helper cells as the primary target. Cyclosporine also inhibits lymphokine production and release. (NCI04) A cyclic undecapeptide from an extract of soil fungi. It is a powerful immunosupressant with a specific action on T-lymphocytes. It is used for the prophylaxis of graft rejection in organ and tissue transplantation. (From Martindale, The Extra Pharmacopoeia, 30th ed). A cyclic nonribosomal peptide of eleven amino acids; an immunosuppressant drug widely used in post-allogeneic organ transplant to reduce the activity of the patients immune system, and therefore the risk of organ rejection. Also causes reversible inhibition of immunocompetent lymphocytes in the G0- and G1-phase of the cell cycle. L - Antineoplastic and immunomodulating agents > L04 - Immunosuppressants > L04A - Immunosuppressants > L04AD - Calcineurin inhibitors D007155 - Immunologic Factors > D007166 - Immunosuppressive Agents > D003524 - Cyclosporins C308 - Immunotherapeutic Agent > C574 - Immunosuppressant > C146638 - Calcineurin Inhibitor COVID info from clinicaltrial, clinicaltrials, clinical trial, clinical trials D004791 - Enzyme Inhibitors > D065095 - Calcineurin Inhibitors D000890 - Anti-Infective Agents > D000935 - Antifungal Agents S - Sensory organs > S01 - Ophthalmologicals C1744 - Multidrug Resistance Modulator D018501 - Antirheumatic Agents D003879 - Dermatologic Agents Corona-virus Coronavirus SARS-CoV-2 COVID-19 SARS-CoV COVID19 SARS2 SARS Cyclosporin A (Cyclosporine A) is an immunosuppressant which binds to the cyclophilin and inhibits phosphatase activity of protein phosphatase 2B (PP2B/calcineurin) with an IC50 of 5 nM[3]. Cyclosporin A also inhibits CD11a/CD18 adhesion[8].
Heterophyllin
Heterophyllin B is a natural product found in Pseudostellaria heterophylla with data available. Heterophyllin B is an active cyclic peptide isolated from Pseudostellaria heterophylla. Heterophyllin B provides a novel strategy for the treatment of esophageal cancer[1]. Heterophyllin B is an active cyclic peptide isolated from Pseudostellaria heterophylla. Heterophyllin B provides a novel strategy for the treatment of esophageal cancer[1].
RA-XI
Deoxybouvardin
Deoxybouvardin is a natural product found in Rubia cordifolia with data available.
Segetalin B
Segetalin B, a cyclopentapeptide from Vaccaria segetalis, possesses estrogen-like activity[1][2]. Segetalin B, a cyclopentapeptide from Vaccaria segetalis, possesses estrogen-like activity[1][2]. Segetalin B, a cyclopentapeptide from Vaccaria segetalis, possesses estrogen-like activity[1][2].
Cyclo(Tyr-Leu)
Cyclo(Tyr-Leu) is a natural product found in Nocardia alba and Portulaca oleracea with data available. Cyclo(Tyr-Leu) is a cyclic dipeptide[1]. Cyclo(Tyr-Leu) is a cyclic dipeptide[1]. Cyclo(Tyr-Leu) is a cyclic dipeptide[1].
FR179642
FR179642 is a key intermediate in the synthesis of the echinocandin antifungal Micafungin[1]. FR179642 is the cyclic peptide nucleus of the echinocandin-like antifungal lipopeptide FR901379[2]. FR179642 is a key intermediate in the synthesis of the echinocandin antifungal Micafungin[1]. FR179642 is the cyclic peptide nucleus of the echinocandin-like antifungal lipopeptide FR901379[2].
Virginiamycin B
C274 - Antineoplastic Agent > C186664 - Cytotoxic Chemotherapeutic Agent > C259 - Antineoplastic Antibiotic D000890 - Anti-Infective Agents > D000900 - Anti-Bacterial Agents > D025361 - Streptogramins Pristinamycin IA (Mikamycin B) is a cycle-peptidic macrolactone antibiotic. Pristinamycin IA is a substrate of P-glycoprotein and inhibits its function. Pristinamycin IA is active against StaphyloEoccus and Srreptococcus[1].
PA 114B
A cyclodepsipeptide that is (together with pristinamycin IIA) a component of pristinamycin, an oral streptogramin antibiotic produced by Streptomyces pristinaespiralis. Pristinamycin exhibits bactericidal activity against Gram positive organisms including methicillin-resistant Staphylococcus aureus. C274 - Antineoplastic Agent > C186664 - Cytotoxic Chemotherapeutic Agent > C259 - Antineoplastic Antibiotic D000890 - Anti-Infective Agents > D000900 - Anti-Bacterial Agents > D025361 - Streptogramins Pristinamycin IA (Mikamycin B) is a cycle-peptidic macrolactone antibiotic. Pristinamycin IA is a substrate of P-glycoprotein and inhibits its function. Pristinamycin IA is active against StaphyloEoccus and Srreptococcus[1].