SMTL ID : 1mtn.3 (2 other biounits)

BOVINE ALPHA-CHYMOTRYPSIN:BPTI CRYSTALLIZATION

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.80 Å

Oligo State

hetero-2-2-2-2-mer

Ligands

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

SO4.1: 6 residues within 4Å: Chain D: Y.10, R.39, K.41 Chain H: F.4, K.41, R.42 7 PLIP interactions: 3 interactions with chain D, 4 interactions with chain H Hydrogen bonds: D:Y.10, H:R.42 Salt bridges: D:R.39, D:K.41, H:R.42 Water bridges: H:F.4, H:N.43 SO4.2: 4 residues within 4Å: Chain D: R.20, Y.35, G.37, A.40 3 PLIP interactions: 3 interactions with chain D Hydrogen bonds: D:Y.35, D:Y.35 Salt bridges: D:R.20 SO4.3: 4 residues within 4Å: Chain D: K.41, R.42 Chain H: Y.10, R.39 7 PLIP interactions: 3 interactions with chain D, 4 interactions with chain H Hydrogen bonds: D:R.42, H:Y.10, H:Y.10 Water bridges: D:N.43 Salt bridges: D:R.42, H:R.39, H:K.41 SO4.4: 4 residues within 4Å: Chain H: R.20, Y.35, G.37, A.40 1 PLIP interactions: 1 interactions with chain H Salt bridges: H:R.20

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Capasso, C. et al., Crystal structure of the bovine alpha-chymotrypsin:Kunitz inhibitor complex. An example of multiple protein:protein recognition sites. J.Mol.Recog. (1997)

Release Date

1996-08-17

Peptides

ALPHA-CHYMOTRYPSIN: AE
ALPHA-CHYMOTRYPSIN: BF
ALPHA-CHYMOTRYPSIN: CG
BASIC PANCREATIC TRYPSIN INHIBITOR: DH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

E
E

B
B

F
F

C
C

G
G

D
D

H
H

ALPHA-CHYMOTRYPSIN

ALPHA-CHYMOTRYPSIN

ALPHA-CHYMOTRYPSIN

BASIC PANCREATIC TRYPSIN INHIBITOR

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