SMTL ID : 4h4f.1

Crystal structure of human chymotrypsin C (CTRC) bound to inhibitor eglin c from Hirudo medicinalis

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

hetero-oligomer

Ligands

3 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.1: 4 residues within 4Å: Chain A: R.166, R.212, K.219 Chain B: G.40 7 PLIP interactions: 7 interactions with chain A Water bridges: A:R.166, A:R.212, A:R.212, A:K.219 Salt bridges: A:R.166, A:R.212, A:K.219 PO4.2: 3 residues within 4Å: Chain A: R.90, K.168, K.169 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:K.169 Water bridges: A:R.90, A:K.168 Salt bridges: A:R.90, A:K.169 PO4.3: 7 residues within 4Å: Chain A: Y.20, K.22, R.51 Chain B: R.48, Y.49, N.50, R.51 7 PLIP interactions: 3 interactions with chain B, 4 interactions with chain A Hydrogen bonds: B:Y.49, B:N.50, A:Y.20, A:Y.20 Water bridges: B:D.33 Salt bridges: A:K.22, A:R.51

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Batra, J. et al., Long-range Electrostatic Complementarity Governs Substrate Recognition by Human Chymotrypsin C, a Key Regulator of Digestive Enzyme Activation. J.Biol.Chem. (2013)

Release Date

2013-02-27

Peptides

Chymotrypsin-C: A
Eglin C: B
Chymotrypsin-C: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
Q

Chymotrypsin-C

Eglin C

Chymotrypsin-C