SMTL ID : 1t8o.3 (5 other biounits)

CRYSTAL STRUCTURE OF THE P1 TRP BPTI MUTANT- BOVINE CHYMOTRYPSIN COMPLEX

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

hetero-oligomer

Ligands

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

SO4.1: 6 residues within 4Å: Chain B: F.4, E.7, K.41, R.42 Chain D: Y.10, K.41 10 PLIP interactions: 5 interactions with chain B, 5 interactions with chain D Hydrogen bonds: B:R.42, D:Y.10 Salt bridges: B:R.42, D:K.41 Water bridges: B:K.41, B:R.42, B:N.43, D:Y.10, D:R.39, D:K.41 SO4.2: 5 residues within 4Å: Chain C: L.97 Chain B: R.20, Y.35, G.37, A.40 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:Y.35 Salt bridges: B:R.20 Water bridges: B:A.40, B:A.40 SO4.3: 5 residues within 4Å: Chain B: Y.10 Chain D: F.4, E.7, K.41, R.42 6 PLIP interactions: 3 interactions with chain B, 3 interactions with chain D Hydrogen bonds: B:Y.10, B:Y.10, D:R.42 Salt bridges: D:R.42 Water bridges: B:R.39, D:N.43 SO4.4: 6 residues within 4Å: Chain C: Y.171, W.172, S.217, S.218 Chain B: P.2, D.3 9 PLIP interactions: 5 interactions with chain C, 4 interactions with chain B Hydrogen bonds: C:Y.171, C:Y.171, C:S.218, B:D.3 Water bridges: C:T.219, C:T.224, B:D.3, B:F.4, B:R.42 SO4.5: 6 residues within 4Å: Chain A: Y.171, W.172, S.217, S.218 Chain D: P.2, D.3 7 PLIP interactions: 3 interactions with chain A, 4 interactions with chain D Hydrogen bonds: A:Y.171, A:S.218, D:D.3, D:D.3 Water bridges: A:G.216, D:F.4, D:R.42 SO4.6: 4 residues within 4Å: Chain A: K.90, N.91, S.92, W.237 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:S.92, A:S.92, A:W.237 SO4.7: 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 SO4.8: 5 residues within 4Å: Chain A: L.97 Chain D: R.20, Y.35, G.37, A.40 4 PLIP interactions: 4 interactions with chain D Salt bridges: D:R.20 Water bridges: D:R.20, D:Y.35, D:A.40 SO4.9: 4 residues within 4Å: Chain C: K.90, N.91, S.92, W.237 5 PLIP interactions: 5 interactions with chain C Hydrogen bonds: C:S.92, C:S.92, C:S.92, C:W.237 Water bridges: C:K.93 SO4.10: 3 residues within 4Å: Chain C: N.95, N.100, N.101 5 PLIP interactions: 5 interactions with chain C Hydrogen bonds: C:N.95, C:T.98, C:T.98, C:N.100, C:N.101

Links

RCSB   PDBe   PDBj   PDBsum   CATH   PLIP

Citation

Czapinska, H. et al., Crystal structures of five bovine chymotrypsin complexes with P1 BPTI variants. J.Mol.Biol. (2004)

Peptides

Chymotrypsin A: AC
Pancreatic trypsin inhibitor: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
C

B
B

D
D

Chymotrypsin A

Pancreatic trypsin inhibitor

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