SMTL ID : 4dg4.4 (3 other biounits)

Human mesotrypsin-S39Y complexed with bovine pancreatic trypsin inhibitor (BPTI)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.40 Å

Oligo State

hetero-1-1-mer

Ligands

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

SO4.1: 3 residues within 4Å: Chain A: Y.22, H.23, R.175 6 PLIP interactions: 1 interactions with chain B, 5 interactions with chain A Water bridges: B:R.17, A:H.23, A:R.175 Hydrogen bonds: A:H.23, A:R.175 Salt bridges: A:H.23 SO4.2: 3 residues within 4Å: Chain A: P.132, D.133, E.134 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:D.133, A:D.133, A:E.134 Water bridges: A:N.54, A:K.136, A:K.136 Salt bridges: A:K.136 SO4.3: 2 residues within 4Å: Chain A: K.155, H.195 4 PLIP interactions: 4 interactions with chain A Water bridges: A:K.155, A:K.155 Salt bridges: A:K.155, A:H.195 SO4.4: 1 residues within 4Å: Chain A: K.56 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:K.56 SO4.5: 2 residues within 4Å: Chain A: N.66, S.91 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:N.66, A:S.91 Water bridges: A:N.66, A:S.91 SO4.6: 1 residues within 4Å: Chain A: K.149 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:K.149 SO4.7: 6 residues within 4Å: Chain A: N.19, S.20, G.21, Y.22, Q.47, R.49 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:G.21, A:Q.47 Water bridges: A:Q.47, A:R.49, A:R.49 Salt bridges: A:R.49 SO4.8: 4 residues within 4Å: Chain B: F.4, E.7, K.41, R.42 9 PLIP interactions: 9 interactions with chain B Hydrogen bonds: B:R.42 Water bridges: B:F.4, B:K.41, B:K.41, B:K.41, B:K.41, B:R.42, B:N.43 Salt bridges: B:R.42 SO4.9: 4 residues within 4Å: Chain A: R.78 Chain B: R.20, Y.35, A.40 4 PLIP interactions: 3 interactions with chain B, 1 interactions with chain A Water bridges: B:Y.35, B:A.40 Salt bridges: B:R.20, A:R.78 SO4.10: 4 residues within 4Å: Chain B: F.45, K.46, S.47, D.50 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:K.46, B:S.47, B:D.50, B:D.50

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Salameh, M.A. et al., Presence versus absence of hydrogen bond donor Tyr-39 influences interactions of cationic trypsin and mesotrypsin with protein protease inhibitors. Protein Sci. (2012)

Release Date

2012-09-12

Peptides

PRSS3 protein: A
Pancreatic trypsin inhibitor: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
G

B
H

PRSS3 protein

Pancreatic trypsin inhibitor

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