SMTL ID : 4a94.2 (1 other biounit)

Structure of the carboxypeptidase inhibitor from Nerita versicolor in complex with human CPA4

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

hetero-oligomer

Ligands

1 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: H.70, E.73, H.197 Chain B: A.53 5 PLIP interactions: 4 interactions with chain A, 1 interactions with chain B Metal complexes: A:H.70, A:E.73, A:E.73, A:H.197, B:A.53

3 x NO3: NITRATE ION(Non-functional Binders)

NO3.2: 9 residues within 4Å: Chain A: H.70, R.128, N.145, R.146, H.197, Y.249, E.271 Chain B: Y.52, A.53 6 PLIP interactions: 5 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.128, A:N.145, A:R.146, A:R.146, A:Y.249, B:A.53 NO3.3: 7 residues within 4Å: Chain A: R.72, L.126, W.127, R.128, K.129, E.164 Chain B: Q.39 6 PLIP interactions: 4 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:R.128, A:K.129 Water bridges: A:K.129, A:E.164, B:Q.39, B:Q.39 NO3.4: 7 residues within 4Å: Chain A: N.160, C.162 Chain B: R.7, C.9, I.10, F.25, H.40 5 PLIP interactions: 2 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:N.160, A:N.160, B:R.7, B:R.7, B:I.10

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Covaleda, G. et al., Crystal Structure of a Novel Metallo-Carboxypeptidase Inhibitor from the Marine Mollusk Nerita Versicolor in Complex with Human Carboxypeptidase A4. J.Biol.Chem. (2012)

Release Date

2011-12-28

Peptides

CARBOXYPEPTIDASE A4: A
CARBOXYPEPTIDASE INHIBITOR: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
C

CARBOXYPEPTIDASE A4

CARBOXYPEPTIDASE INHIBITOR

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