Cholecystokinin (26-33) structure

Cholecystokinin (26-33)

(3S)-3-amino-4-[[(2S)-1-[[(2S)-1-[[2-[[(2S)-1-[[(2S)-1-[[(2S)-3-carboxy-1-[[(1S)-1-carboxy-2-phenylethyl]amino]-1-oxopropan-2-yl]amino]-4-methylsulfanyl-1-oxobutan-2-yl]amino]-3-(1H-indol-3-yl)-1-oxopropan-2-yl]amino]-2-oxoethyl]amino]-4-methylsulfanyl-1-oxobutan-2-yl]amino]-1-oxo-3-(4-sulfooxyphenyl)propan-2-yl]amino]-4-oxobutanoic acid

Also Known As: Cholecystokinin (26-33)|Cck (26-33)|L-Asp-O-Sulfo-L-Tyr-L-Met-Gly-L-Trp-L-Met-L-Asp-L-Phe-OH|Caerulein, 1-de(5-oxo-L-proline)-2-de-L-glutamine-5-L-methionine-10-L-phenylalanine-|(3S)-3-[(2S)-2-[(2S)-2-{2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carboxypropanamido]-3-[4-(sulfooxy)phenyl]propanamido]-4-(methylsulfanyl)butanamido]acetamido}-3-(1H-indol-3-yl)propanamido]-4-(methylsulfanyl)butanamido]-3-{[(1S)-1-carboxy-2-phenylethyl]carbamoyl}propanoic acid|(3S)-3-amino-4-[[(2S)-1-[[(2S)-1-[[2-[[(2S)-1-[[(2S)-1-[[(2S)-4-hydroxy-1-[[(2S)-1-hydroxy-1-oxo-3-phenylpropan-2-yl]amino]-1,4-dioxobutan-2-yl]amino]-4-methylsulfanyl-1-oxobutan-2-yl]amino]-3-(1H-indol-3-yl)-1-oxopropan-2-yl]amino]-2-oxoethyl]amino]-4-methylsulfanyl-1-oxobutan-2-yl]amino]-1-oxo-3-(4-sulfooxyphenyl)propan-2-yl]amino]-4-oxobutanoic acid|L-alpha-Aspartyl-O-sulfo-L-tyrosyl-L-methionylglycyl-L-tryptophyl-L-methionyl-L-alpha-aspartyl-L-phenylalanine

CAS: 80980-81-0
Molecular Formula C49H61N9O17S3
Molecular Weight 1143.3347 g/mol
LogP -0.7301
Topological Polar Surface Area 421.01 Ų
Hydrogen Bond Donors 13
Hydrogen Bond Acceptors 16
Rotatable Bonds 33
Exact Mass 1143.3347
Monoisotopic Mass 1143.3347
Heavy Atoms 78
Complexity 2875.3708

Chemical Identifiers

CAS Number 80980-81-0
SMILES CSCC[C@@H](C(=O)NCC(=O)N[C@@H](CC1=CNC2=CC=CC=C21)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](CC3=CC=CC=C3)C(=O)O)NC(=O)[C@H](CC4=CC=C(C=C4)OS(=O)(=O)O)NC(=O)[C@H](CC(=O)O)N

Product Overview

Cholecystokinin (26-33) (CAS 80980-81-0), with molecular formula C49H61N9O17S3 and molecular weight 1143.3347 g/mol. IUPAC: (3S)-3-amino-4-[[(2S)-1-[[(2S)-1-[[2-[[(2S)-1-[[(2S)-1-[[(2S)-3-carboxy-1-[[(1S)-1-carboxy-2-phenylethyl]amino]-1-oxopropan-2-yl]amino]-4-methylsulfanyl-1-oxobutan-2-yl]amino]-3-(1H-indol-3-yl)-1-oxopropan-2-yl]amino]-2-oxoethyl]amino]-4-methylsulfanyl-1-oxobutan-2-yl]amino]-1-oxo-3-(4-sulfooxyphenyl)propan-2-yl]amino]-4-oxobutanoic acid.

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