SMTL ID : 2r9p.2 (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

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

SO4.1: 3 residues within 4Å: Chain A: A.112, T.144, Q.145 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:Q.145 Water bridges: A:T.144, A:Q.145, A:Q.145, A:A.146 SO4.2: 3 residues within 4Å: Chain A: K.149, G.154 Chain C: K.149 3 PLIP interactions: 1 interactions with chain C, 2 interactions with chain A Salt bridges: C:K.149 Hydrogen bonds: A:G.154 Water bridges: A:I.156 SO4.3: 3 residues within 4Å: Chain A: H.195, W.199, R.202 5 PLIP interactions: 5 interactions with chain A Water bridges: A:H.195, A:H.195, A:R.202 Salt bridges: A:H.195, A:R.202 SO4.4: 5 residues within 4Å: Chain A: S.22, H.23, I.55, K.56, R.175 11 PLIP interactions: 10 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:S.22, A:H.23, A:R.175 Water bridges: A:S.22, A:K.56, A:K.56, A:D.133, A:R.175, B:R.17 Salt bridges: A:H.23, A:K.56 SO4.5: 4 residues within 4Å: Chain B: F.4, K.41, R.42 Chain C: R.78 7 PLIP interactions: 5 interactions with chain B, 2 interactions with chain C Hydrogen bonds: B:R.42 Water bridges: B:F.4, B:N.43, C:R.78 Salt bridges: B:K.41, B:R.42, C:R.78 SO4.6: 4 residues within 4Å: Chain B: R.20, Y.35, G.37, A.40 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:Y.35 Salt bridges: B:R.20 SO4.7: 4 residues within 4Å: Chain B: K.46 Chain D: D.3, F.4, R.42 3 PLIP interactions: 3 interactions with chain D Water bridges: D:R.42, D:R.42 Salt bridges: D:R.42 SO4.8: 2 residues within 4Å: Chain C: N.66, S.91 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:N.66, C:S.91 Water bridges: C:N.66 SO4.9: 3 residues within 4Å: Chain C: A.112, T.144, Q.145 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:A.112, C:Q.145 SO4.10: 4 residues within 4Å: Chain C: D.130, P.132, D.133, E.134 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:D.133, C:E.134 SO4.11: 5 residues within 4Å: Chain C: S.22, I.55, K.56, R.175 Chain D: R.17 10 PLIP interactions: 8 interactions with chain C, 2 interactions with chain D Hydrogen bonds: C:S.22, C:S.22 Water bridges: C:H.23, C:R.175, C:R.175, C:R.175, D:R.17 Salt bridges: C:K.56, C:R.175, D:R.17 SO4.12: 4 residues within 4Å: Chain B: R.42 Chain D: R.20, Y.35, A.40 5 PLIP interactions: 1 interactions with chain B, 3 interactions with chain D, 1 interactions with chain C Salt bridges: B:R.42, D:R.20 Hydrogen bonds: D:Y.35 Water bridges: D:G.37, C:R.78

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
B

C
D

B
F

D
I

Trypsin-3

Pancreatic trypsin inhibitor

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