SMTL ID : 1p2m.3 (4 other biounits)

Structural consequences of accommodation of four non-cognate amino-acid residues in the S1 pocket of bovine trypsin and chymotrypsin

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

hetero-2-2-mer

Ligands

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

SO4.1: 6 residues within 4Å: Chain A: Y.171, W.172, S.217, S.218 Chain D: P.2, D.3 12 PLIP interactions: 6 interactions with chain A, 6 interactions with chain D Hydrogen bonds: A:Y.171, A:S.218, D:D.3 Water bridges: A:Y.171, A:Y.171, A:S.217, A:S.217, D:D.3, D:D.3, D:F.4, D:R.42, D:R.42 SO4.2: 6 residues within 4Å: Chain B: F.4, E.7, K.41, R.42 Chain D: Y.10, K.41 10 PLIP interactions: 1 interactions with chain C, 4 interactions with chain D, 5 interactions with chain B Water bridges: C:S.218, D:Y.10, D:R.39, B:E.7, B:E.7, B:N.43 Hydrogen bonds: D:Y.10, B:R.42 Salt bridges: D:K.41, B:R.42 SO4.3: 5 residues within 4Å: Chain B: R.20, Y.35, G.37, A.40 Chain C: L.97 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:Y.35 Water bridges: B:R.20, B:A.40, B:A.40 Salt bridges: B:R.20 SO4.4: 5 residues within 4Å: Chain B: Y.10 Chain D: F.4, E.7, K.41, R.42 8 PLIP interactions: 5 interactions with chain D, 3 interactions with chain B Hydrogen bonds: D:R.42, B:Y.10, B:Y.10 Water bridges: D:E.7, D:N.43, B:R.39 Salt bridges: D:K.41, D:R.42 SO4.5: 6 residues within 4Å: Chain B: P.2, D.3 Chain C: Y.171, W.172, S.217, S.218 14 PLIP interactions: 7 interactions with chain C, 7 interactions with chain B Hydrogen bonds: C:Y.171, C:S.218, B:D.3 Water bridges: C:Y.171, C:Y.171, C:T.219, C:T.219, C:T.224, B:D.3, B:D.3, B:F.4, B:R.42, B:R.42, B:R.42 SO4.6: 5 residues within 4Å: Chain A: L.97 Chain D: R.20, Y.35, G.37, A.40 4 PLIP interactions: 4 interactions with chain D Water bridges: D:R.20, D:Y.35, D:A.40 Salt bridges: D:R.20

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Helland, R. et al., Structural consequences of accommodation of four non-cognate amino acid residues in the S1 pocket of bovine trypsin and chymotrypsin. J.Mol.Biol. (2003)

Release Date

2004-04-20

Peptides

Chymotrypsinogen A: AC
Pancreatic trypsin inhibitor: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
C

B
B

D
D

Chymotrypsinogen A

Pancreatic trypsin inhibitor

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