SMTL ID : 1oxg.1

Crystal structure of a complex formed between organic solvent treated bovine alpha-chymotrypsin and its autocatalytically produced highly potent 14-residue peptide at 2.2 resolution

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

hetero-oligomer

Ligands

6 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 2 residues within 4Å: Chain A: S.115, Q.116 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Q.116 Water bridges: A:S.115 SO4.2: 2 residues within 4Å: Chain A: K.177, D.178 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:D.178 Water bridges: A:N.100, A:A.179 SO4.3: 3 residues within 4Å: Chain A: N.95, N.100, N.101 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.95, A:N.100, A:N.101 SO4.4: 2 residues within 4Å: Chain A: T.61, T.62 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:T.62 Water bridges: A:V.88 SO4.5: 1 residues within 4Å: Chain A: K.107 3 PLIP interactions: 3 interactions with chain A Water bridges: A:K.107, A:N.245 Salt bridges: A:K.107 SO4.6: 6 residues within 4Å: Chain A: W.172, K.175 Chain B: A.7, P.9, G.10, S.11 4 PLIP interactions: 1 interactions with chain A, 3 interactions with chain B Salt bridges: A:K.175 Hydrogen bonds: B:A.7, B:G.10, B:S.11

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Singh, N. et al., Detection of native peptides as potent inhibitors of enzymes. Crystal structure of the complex formed between treated bovine alpha-chymotrypsin and an autocatalytically produced fragment, IIe-Val-Asn-Gly-Glu-Glu-Ala-Val-Pro-Gly-Ser-Trp-Pro-Trp, at 2.2 angstroms resolution. Febs J. (2005)

Release Date

2004-05-18

Peptides

Chymotrypsinogen A: A
Chymotrypsinogen A: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Chymotrypsinogen A

Chymotrypsinogen A

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