SMTL ID : 3srg.1

Serum paraoxonase-1 by directed evolution at pH 6.5 in complex with 2-hydroxyquinoline

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.19 Å

Oligo State

monomer

Ligands

3 x CA: CALCIUM ION(Non-covalent)

CA.1: 4 residues within 4Å: Chain A: D.54, I.117, D.169, I.170 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.54, A:I.117, A:D.169, H2O.1, H2O.1 CA.2: 6 residues within 4Å: Chain A: E.53, N.168, N.224, D.269, N.270 Ligands: OCH.3 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.53, A:D.269, H2O.1 CA.8: 1 residues within 4Å: Chain A: E.218 No protein-ligand interaction detected (PLIP)

1 x OCH: QUINOLIN-2(1H)-ONE(Non-covalent)

OCH.3: 11 residues within 4Å: Chain A: E.53, Y.71, I.74, H.115, N.168, N.224, D.269, H.285, I.291, F.292 Ligands: CA.2 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:I.74, A:I.291, A:F.292, A:F.292 Hydrogen bonds: A:N.168, A:D.269 pi-Stacking: A:Y.71, A:F.222

1 x LMT: DODECYL-BETA-D-MALTOSIDE(Non-covalent)

LMT.4: 4 residues within 4Å: Chain A: Q.20, L.198, L.200, W.202 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Q.20, A:G.199

1 x BR: BROMIDE ION(Non-functional Binders)

BR.5: 0 residues within 4Å: (No contacts) Ligand excluded by PLIP

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.6: 3 residues within 4Å: Chain A: I.187, D.188, L.191 Ligand excluded by PLIP CL.7: 3 residues within 4Å: Chain A: D.309, I.310, L.311 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ben-David, M. et al., Catalytic versatility and backups in enzyme active sites: the case of serum paraoxonase 1. J.Mol.Biol. (2012)

Release Date

2012-03-21

Peptides

serum paraoxonase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

serum paraoxonase

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