SMTL ID : 1qw7.1

Structure of an Engineered Organophosphorous Hydrolase with Increased Activity Toward Hydrolysis of Phosphothiolate Bonds

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-dimer

Ligands

4 x CO: COBALT (II) ION(Non-covalent)

CO.1: 5 residues within 4Å: Chain A: K.140, H.172, H.201, R.225 Ligands: CO.2 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:H.172, A:H.201, H2O.4, H2O.5 CO.2: 5 residues within 4Å: Chain A: H.26, H.28, K.140, D.272 Ligands: CO.1 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:H.26, A:H.28, A:D.272, H2O.4 CO.5: 5 residues within 4Å: Chain B: H.26, H.28, K.140, D.272 Ligands: CO.6 4 PLIP interactions: 3 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:H.26, B:H.28, B:D.272, H2O.15 CO.6: 5 residues within 4Å: Chain B: K.140, H.172, H.201, R.225 Ligands: CO.5 4 PLIP interactions: 2 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:H.172, B:H.201, H2O.15, H2O.15

2 x NA: SODIUM ION(Non-functional Binders)

NA.3: 2 residues within 4Å: Chain A: N.9, I.125 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:I.125 Water bridges: A:R.135 NA.7: 2 residues within 4Å: Chain B: N.9, I.125 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:N.9 Water bridges: B:N.9, B:N.9, B:R.135, B:R.135

2 x EBP: DIETHYL 4-METHYLBENZYLPHOSPHONATE(Non-covalent)

EBP.4: 2 residues within 4Å: Chain A: F.22, T.321 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:F.22, A:F.22 EBP.8: 3 residues within 4Å: Chain B: F.22, A.64, T.321 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:F.22 pi-Stacking: B:F.22

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Grimsley, J.K. et al., Structural and mutational studies of organophosphorus hydrolase reveal a cryptic and functional allosteric-binding site. Arch.Biochem.Biophys. (2005)

Release Date

2004-11-30

Peptides

Parathion hydrolase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Parathion hydrolase