SMTL ID : 1dtd.1

CRYSTAL STRUCTURE OF THE COMPLEX BETWEEN THE LEECH CARBOXYPEPTIDASE INHIBITOR AND THE HUMAN CARBOXYPEPTIDASE A2 (LCI-CPA2)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.65 Å

Oligo State

hetero-1-1-mer

Ligands

1 x ZN: ZINC ION(Non-covalent)

ZN.1: 5 residues within 4Å: Chain A: H.62, E.65, H.190 Chain B: V.61 Ligands: GLU.2 5 PLIP interactions: 1 interactions with chain B, 3 interactions with chain A, 1 Ligand-Ligand interactions Metal complexes: B:V.61, A:H.62, A:E.65, A:H.190, GLU.2

1 x GLU: GLUTAMIC ACID(Non-covalent)

GLU.2: 11 residues within 4Å: Chain A: H.62, R.120, N.138, R.139, H.190, I.237, Y.242, A.244, E.264 Chain B: V.61 Ligands: ZN.1 17 PLIP interactions: 2 Ligand-Ligand interactions, 12 interactions with chain A, 3 interactions with chain B Water bridges: E.2, E.2, A:N.138 Hydrogen bonds: A:R.120, A:R.120, A:N.138, A:R.139, A:R.139, A:Y.242, B:V.61, B:V.61, B:V.61 Salt bridges: A:H.62, A:R.120, A:R.139, A:R.139, A:H.190

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Reverter, D. et al., Structure of a novel leech carboxypeptidase inhibitor determined free in solution and in complex with human carboxypeptidase A2. Nat.Struct.Biol. (2000)

Release Date

2000-07-12

Peptides

CARBOXYPEPTIDASE A2: A
METALLOCARBOXYPEPTIDASE INHIBITOR: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

CARBOXYPEPTIDASE A2

METALLOCARBOXYPEPTIDASE INHIBITOR