SMTL ID : 3fx6.3 (3 other biounits)

X-RAY crystallographic studies on the complex of carboxypeptidase A with the inhibitor using alpha-nitro ketone as the zinc-binding group

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.85 Å

Oligo State

monomer

Ligands

1 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: H.69, E.72, H.196 Ligands: BPX.2 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:H.69, A:E.72, A:E.72, A:H.196

1 x BPX: (2R)-4,4-dihydroxy-5-nitro-2-(phenylmethyl)pentanoic acid(Non-covalent)

BPX.2: 14 residues within 4Å: Chain A: H.69, R.71, E.72, R.127, N.144, R.145, H.196, S.197, I.243, Y.248, T.268, E.270, F.279 Ligands: ZN.1 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:I.243, A:I.243, A:T.268 Hydrogen bonds: A:R.127, A:Y.248, A:E.270 Salt bridges: A:H.69, A:R.127, A:R.145

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wang, S.F. et al., Characterization of alpha-nitromethyl ketone as a new zinc-binding group based on structural analysis of its complex with carboxypeptidase A. Bioorg.Med.Chem.Lett. (2009)

Release Date

2009-08-25

Peptides

Carboxypeptidase A1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

Carboxypeptidase A1

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