SMTL ID : 1p2n.5 (5 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 Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

hetero-1-1-mer

Ligands

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

SO4.1: 4 residues within 4Å: Chain A: F.4, E.7, K.41, R.42 9 PLIP interactions: 7 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:R.42 Water bridges: A:E.7, A:E.7, A:E.7, A:K.41, A:N.43, B:S.218, B:S.218 Salt bridges: A:R.42 SO4.2: 5 residues within 4Å: Chain A: R.20, Y.35, G.37, A.40 Chain B: L.97 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Y.35 Water bridges: A:A.40, A:A.40 Salt bridges: A:R.20 SO4.3: 1 residues within 4Å: Chain A: Y.10 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Y.10, A:Y.10 Water bridges: A:R.39 SO4.4: 6 residues within 4Å: Chain A: P.2, D.3 Chain B: Y.171, W.172, S.217, S.218 11 PLIP interactions: 4 interactions with chain A, 7 interactions with chain B Hydrogen bonds: A:D.3, B:Y.171, B:S.218, B:S.218, B:T.219 Water bridges: A:F.4, A:R.42, A:R.42, B:Y.171, B:Y.171, B:T.224

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

Pancreatic trypsin inhibitor: A
Chymotrypsinogen A: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
C

Pancreatic trypsin inhibitor

Chymotrypsinogen A

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