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Chemical structure of H-Ser-Ile-Gly-Ser-Leu-Ala-Lys-OH

GA22891

H-Ser-Ile-Gly-Ser-Leu-Ala-Lys-OH

Also known as (2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[2-[[(2S,3S)-2-[[(2S)-2-amino-3-hydroxypropanoyl]amino]-3-methylpentanoyl]amino]acetyl]amino]-3-hydroxypropanoyl]amino]-4-methylpentanoyl]amino]propanoyl]amino]hexanoic acid

The tryptic peptide SIGSLAK originally isolated from E· coli contains the active site of penicillin-binding protein 1b· SIGSLAK has found use as model peptide, e·g·, for method development in mass spectrometry or chromatography

ChemicalCAS115918-58-6MW674.8FormulaC29H54N8O10
CAS number
115918-58-6
Molecular weight
674.8
Formula
C29H54N8O10
Solubility
Soluble in DMSO
InChIKey
QBDGQXHVLMKNQC-YUBLKVPHSA-N
Catalogue number
GA22891
Brand
GLPBIO
Computed properties PubChem CID 99650974 · XLogP -4.6 · TPSA 304 Ų · H-bond donors 11
XLogP
-4.6
TPSA
304 Ų
H-bond donors
11
H-bond acceptors
12
Rotatable bonds
23
Heavy atoms
47

SMILES CC[C@H](C)[C@@H](C(=O)NCC(=O)N[C@@H](CO)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C)C(=O)N[C@@H](CCCCN)C(=O)O)NC(=O)[C@H](CO)N

Computed descriptors from PubChem (CID 99650974), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

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