SMTL ID : 2r9p.1 (1 other biounit)

Human mesotrypsin complexed with bovine pancreatic trypsin inhibitor(BPTI)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.40 Å

Oligo State

hetero-2-2-mer

Ligands

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

SO4.1: 3 residues within 4Å: Chain A: A.112, T.144, Q.145 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Q.145 Water bridges: A:A.112, A:A.112, A:Q.145 SO4.2: 4 residues within 4Å: Chain B: F.4, E.7, K.41, R.42 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:R.42 Water bridges: B:E.7, B:R.42, B:N.43 Salt bridges: B:R.42 SO4.3: 5 residues within 4Å: Chain B: R.20, Y.35, A.40, K.46 Chain D: R.42 9 PLIP interactions: 6 interactions with chain B, 1 interactions with chain D, 2 interactions with chain A Hydrogen bonds: B:Y.35 Water bridges: B:R.20, B:A.40, B:N.44, A:R.78 Salt bridges: B:R.20, B:K.46, D:R.42, A:R.78 SO4.4: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) SO4.5: 3 residues within 4Å: Chain C: I.55, R.175 Chain D: R.17 6 PLIP interactions: 4 interactions with chain C, 2 interactions with chain D Water bridges: C:R.175, C:R.175, C:R.175, D:R.17 Salt bridges: C:R.175, D:R.17 SO4.6: 3 residues within 4Å: Chain D: E.7, K.41, R.42 5 PLIP interactions: 5 interactions with chain D Hydrogen bonds: D:R.42 Water bridges: D:F.4, D:N.43 Salt bridges: D:K.41, D:R.42 SO4.7: 4 residues within 4Å: Chain D: R.20, Y.35, G.37, A.40 4 PLIP interactions: 4 interactions with chain D Hydrogen bonds: D:Y.35 Water bridges: D:A.40, D:A.40 Salt bridges: D:R.20 SO4.8: 4 residues within 4Å: Chain B: D.3, F.4, R.42 Chain D: K.46 7 PLIP interactions: 4 interactions with chain B, 3 interactions with chain D Water bridges: B:E.7, B:R.42, B:R.42, D:K.46, D:K.46 Salt bridges: B:R.42, D:K.46

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Salameh, M.A. et al., Structural Basis for Accelerated Cleavage of Bovine Pancreatic Trypsin Inhibitor (BPTI) by Human Mesotrypsin. J.Biol.Chem. (2008)

Release Date

2007-12-11

Peptides

Trypsin-3: AC
Pancreatic trypsin inhibitor: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
C

B
E

D
G

Trypsin-3

Pancreatic trypsin inhibitor

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