SMTL ID : 4bnr.1 (1 other biounit)

Extremely stable complex of crayfish trypsin with bovine trypsin inhibitor

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

hetero-1-1-mer

Ligands

2 x CA: CALCIUM ION(Non-covalent)

CA.1: 8 residues within 4Å: Chain A: E.64, L.65, D.66, M.67, V.69, N.70, E.71, E.74 6 PLIP interactions: 5 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.64, A:D.66, A:V.69, A:E.71, A:E.74, H2O.3 CA.2: 6 residues within 4Å: Chain A: D.156, D.170, M.172, I.173, E.224, Y.227 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.156, A:D.156, A:D.170, A:M.172, A:E.224

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

SO4.3: 4 residues within 4Å: Chain B: F.39, E.42, K.76, R.77 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:R.77 Water bridges: B:E.42, B:N.78 Salt bridges: B:R.77

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Molnar, T. et al., Comparison of Complexes Formed by a Crustacean and a Vertebrate Trypsin with Bovine Pancreatic Trypsin Inhibitor - the Key to Achieving Extreme Stability?. FEBS J. (2013)

Release Date

2013-09-04

Peptides

HEPATOPANCREAS TRYPSIN: A
PANCREATIC TRYPSIN INHIBITOR: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
J

HEPATOPANCREAS TRYPSIN

PANCREATIC TRYPSIN INHIBITOR

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