Exact Mass: 1143.5659066
Exact Mass Matches: 1143.5659066
Found 4 metabolites which its exact mass value is equals to given mass value 1143.5659066,
within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error
0.001 dalton.
[(2R,3S,4R,5S)-4,5-dihydroxy-2-(hydroxymethyl)oxolan-3-yl] [(2R)-1-[3-[(1R,2R,3R,7S,12S,13S,14Z,17S,18S,19R)-2,13,18-tris(2-amino-2-oxoethyl)-7,12,17-tris(3-amino-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-1,2,7,12,17,23-hexahydrocorrin-3-yl]propanoylamino]propan-2-yl] hydrogen phosphate
[(2R,3S,4R,5S)-4,5-dihydroxy-2-(hydroxymethyl)oxolan-3-yl] [(2R)-1-[3-[(1R,2R,3R,7S,12S,13S,14Z,17S,18S,19R)-2,13,18-tris(2-amino-2-oxoethyl)-7,12,17-tris(3-amino-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-1,2,7,12,17,23-hexahydrocorrin-3-yl]propanoylamino]propan-2-yl] hydrogen phosphate
C53H82N11O15P (1143.5729192000001)
IYPTNGYTR (acetate)
IYPTNGYTR (acetate)
IYPTNGYTR acetate, a deamidation-sensitive signature peptide, is a deamidation product of Trastuzumab. IYPTNGYTR acetate can be used to monitor in vivo Trastuzumab metabolism[1].
[9-(3-carbamimidamidopropyl)-28-[carboxy(hydroxy)methyl]-5,8,11,13,20,23,30,32-octahydroxy-21-(1-hydroxyethyl)-3-(hydroxymethyl)-18-methyl-25-(10-methylundecyl)-2,17,27-trioxo-26-oxa-1,4,7,10,16,19,22,29-octaazatricyclo[29.3.0.0¹²,¹⁶]tetratriaconta-4,7,10,19,22,29-hexaen-6-yl](hydroxy)acetic acid
[9-(3-carbamimidamidopropyl)-28-[carboxy(hydroxy)methyl]-5,8,11,13,20,23,30,32-octahydroxy-21-(1-hydroxyethyl)-3-(hydroxymethyl)-18-methyl-25-(10-methylundecyl)-2,17,27-trioxo-26-oxa-1,4,7,10,16,19,22,29-octaazatricyclo[29.3.0.0¹²,¹⁶]tetratriaconta-4,7,10,19,22,29-hexaen-6-yl](hydroxy)acetic acid