SMTL ID : 2ra3.2 (1 other biounit)

Human cationic trypsin complexed with bovine pancreatic trypsin inhibitor (BPTI)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.46 Å

Oligo State

hetero-4-4-mer

Ligands

4 x CA: CALCIUM ION(Non-covalent)

CA.1: 4 residues within 4Å: Chain A: E.52, N.54, V.57, E.62 6 PLIP interactions: 4 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.52, A:N.54, A:V.57, A:E.62, H2O.1, H2O.3 CA.11: 4 residues within 4Å: Chain C: E.52, N.54, V.57, E.62 6 PLIP interactions: 4 interactions with chain C, 2 Ligand-Water interactions Metal complexes: C:E.52, C:N.54, C:V.57, C:E.62, H2O.13, H2O.14 CA.21: 5 residues within 4Å: Chain E: E.52, N.54, V.57, E.59, E.62 6 PLIP interactions: 5 interactions with chain E, 1 Ligand-Water interactions Metal complexes: E:E.52, E:N.54, E:V.57, E:E.59, E:E.62, H2O.25 CA.37: 5 residues within 4Å: Chain G: E.52, N.54, V.57, E.59, E.62 6 PLIP interactions: 5 interactions with chain G, 1 Ligand-Water interactions Metal complexes: G:E.52, G:N.54, G:V.57, G:E.59, G:E.62, H2O.38

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

SO4.2: 4 residues within 4Å: Chain A: Y.42, K.43, S.44 Chain D: K.46 Ligand excluded by PLIP SO4.3: 3 residues within 4Å: Chain A: T.112, S.144, Q.145 Ligand excluded by PLIP SO4.4: 3 residues within 4Å: Chain A: T.157, S.158 Ligands: SO4.6 Ligand excluded by PLIP SO4.5: 3 residues within 4Å: Chain A: R.72, Y.76, R.78 Ligand excluded by PLIP SO4.6: 4 residues within 4Å: Chain A: N.82, S.158, N.159 Ligands: SO4.4 Ligand excluded by PLIP SO4.7: 2 residues within 4Å: Chain A: S.92, R.93 Ligand excluded by PLIP SO4.8: 5 residues within 4Å: Chain A: K.79, L.81, K.155, W.193 Chain B: R.39 Ligand excluded by PLIP SO4.9: 4 residues within 4Å: Chain B: R.20, Y.35, G.37, A.40 Ligand excluded by PLIP SO4.10: 3 residues within 4Å: Chain B: E.7, K.41, R.42 Ligand excluded by PLIP SO4.12: 4 residues within 4Å: Chain B: K.46 Chain C: Y.42, K.43, S.44 Ligand excluded by PLIP SO4.13: 3 residues within 4Å: Chain C: T.112, S.144, Q.145 Ligand excluded by PLIP SO4.14: 3 residues within 4Å: Chain C: T.157, S.158 Ligands: SO4.16 Ligand excluded by PLIP SO4.15: 3 residues within 4Å: Chain C: R.72, Y.76, R.78 Ligand excluded by PLIP SO4.16: 4 residues within 4Å: Chain C: N.82, S.158, N.159 Ligands: SO4.14 Ligand excluded by PLIP SO4.17: 2 residues within 4Å: Chain C: S.92, R.93 Ligand excluded by PLIP SO4.18: 5 residues within 4Å: Chain C: K.79, L.81, K.155, W.193 Chain D: R.39 Ligand excluded by PLIP SO4.19: 4 residues within 4Å: Chain D: R.20, Y.35, G.37, A.40 Ligand excluded by PLIP SO4.20: 3 residues within 4Å: Chain D: E.7, K.41, R.42 Ligand excluded by PLIP SO4.22: 3 residues within 4Å: Chain E: F.165, L.166, E.167 Ligand excluded by PLIP SO4.23: 2 residues within 4Å: Chain E: N.97, A.98 Ligand excluded by PLIP SO4.24: 4 residues within 4Å: Chain E: K.43, S.44 Chain F: K.46 Chain H: K.46 Ligand excluded by PLIP SO4.25: 2 residues within 4Å: Chain E: K.69 Chain H: R.42 Ligand excluded by PLIP SO4.26: 4 residues within 4Å: Chain E: N.82, S.158, N.159 Ligands: SO4.29 Ligand excluded by PLIP SO4.27: 2 residues within 4Å: Chain E: S.92, R.93 Ligand excluded by PLIP SO4.28: 2 residues within 4Å: Chain E: N.6, Q.136 Ligand excluded by PLIP SO4.29: 4 residues within 4Å: Chain E: N.82, T.157, S.158 Ligands: SO4.26 Ligand excluded by PLIP SO4.30: 6 residues within 4Å: Chain E: K.79, L.81, K.155, W.193 Chain F: P.13, R.39 Ligand excluded by PLIP SO4.31: 5 residues within 4Å: Chain E: I.30, N.31, L.105, K.217, I.220 Ligand excluded by PLIP SO4.32: 4 residues within 4Å: Chain F: F.4, E.7, K.41, R.42 Ligand excluded by PLIP SO4.33: 4 residues within 4Å: Chain F: R.20, Y.35, G.37, A.40 Ligand excluded by PLIP SO4.34: 7 residues within 4Å: Chain A: E.56 Chain F: R.1, P.2 Chain G: I.65, N.66, S.91, S.92 Ligand excluded by PLIP SO4.35: 4 residues within 4Å: Chain F: P.9, Y.10, T.11, G.12 Ligand excluded by PLIP SO4.36: 6 residues within 4Å: Chain A: Y.131, P.132, D.133 Chain B: R.17 Chain F: Y.23, G.28 Ligand excluded by PLIP SO4.38: 3 residues within 4Å: Chain G: F.165, L.166, E.167 Ligand excluded by PLIP SO4.39: 2 residues within 4Å: Chain G: N.97, A.98 Ligand excluded by PLIP SO4.40: 4 residues within 4Å: Chain F: K.46 Chain G: K.43, S.44 Chain H: K.46 Ligand excluded by PLIP SO4.41: 2 residues within 4Å: Chain F: R.42 Chain G: K.69 Ligand excluded by PLIP SO4.42: 4 residues within 4Å: Chain G: N.82, S.158, N.159 Ligands: SO4.45 Ligand excluded by PLIP SO4.43: 2 residues within 4Å: Chain G: S.92, R.93 Ligand excluded by PLIP SO4.44: 2 residues within 4Å: Chain G: N.6, Q.136 Ligand excluded by PLIP SO4.45: 4 residues within 4Å: Chain G: N.82, T.157, S.158 Ligands: SO4.42 Ligand excluded by PLIP SO4.46: 6 residues within 4Å: Chain G: K.79, L.81, K.155, W.193 Chain H: P.13, R.39 Ligand excluded by PLIP SO4.47: 5 residues within 4Å: Chain G: I.30, N.31, L.105, K.217, I.220 Ligand excluded by PLIP SO4.48: 4 residues within 4Å: Chain H: F.4, E.7, K.41, R.42 Ligand excluded by PLIP SO4.49: 4 residues within 4Å: Chain H: R.20, Y.35, G.37, A.40 Ligand excluded by PLIP SO4.50: 7 residues within 4Å: Chain C: E.56 Chain E: I.65, N.66, S.91, S.92 Chain H: R.1, P.2 Ligand excluded by PLIP SO4.51: 4 residues within 4Å: Chain H: P.9, Y.10, T.11, G.12 Ligand excluded by PLIP SO4.52: 6 residues within 4Å: Chain C: Y.131, P.132, D.133 Chain D: R.17 Chain H: Y.23, G.28 Ligand excluded by PLIP

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-1: ACEG
Pancreatic trypsin inhibitor: BDFH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
A

E
B

G
B

B
C

D
C

F
I

H
I

Trypsin-1

Pancreatic trypsin inhibitor

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