SMTL ID : 4uf4.2 (1 other biounit)

Crystal structure of the human CARBOXYPEPTIDASE A1 in complex with a thiirane mechanism-based inhibitor

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.77 Å

Oligo State

monomer

Ligands

1 x O2V: (2S)-4-METHYL-2-[(1R)-1-SULFANYLETHYL]PENTANOIC ACID

O2V.1: 14 residues within 4Å: Chain A: R.54, H.179, E.182, R.237, N.254, R.255, H.306, M.313, I.353, Y.358, A.360, T.378, E.380 Ligands: ZN.2 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:I.353, A:A.360, A:T.378, A:E.380 Hydrogen bonds: A:N.254, A:Y.358 Salt bridges: A:H.179, A:R.237, A:R.255, A:H.306

2 x ZN: ZINC ION(Non-covalent)

ZN.2: 4 residues within 4Å: Chain A: H.179, E.182, H.306 Ligands: O2V.1 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:H.179, A:E.182, A:E.182, A:H.306 ZN.3: 3 residues within 4Å: Chain A: E.412, N.416, H.417 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.412, A:E.412, A:H.417, H2O.8

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gallego, P. et al., Design and Functional-Structural Characterization of Mechanism-Based Inactivators of Human Pancreatic Carboxypeptidase A. To be Published

Release Date

2016-01-20

Peptides

CARBOXYPEPTIDASE A1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

CARBOXYPEPTIDASE A1