SMTL ID : 1p6b.1

X-ray structure of phosphotriesterase, triple mutant H254G/H257W/L303T

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-dimer

Ligands

6 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: H.26, H.28, K.140, D.272 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:H.26, A:H.28, A:D.272, H2O.1 ZN.2: 4 residues within 4Å: Chain A: W.102, K.140, H.172, H.201 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:H.172, A:H.201, H2O.1 ZN.3: 4 residues within 4Å: Chain A: H.201, D.224, G.225, D.272 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:H.201, A:D.224, H2O.1, H2O.1 ZN.5: 4 residues within 4Å: Chain B: H.26, H.28, K.140, D.272 4 PLIP interactions: 3 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:H.26, B:H.28, B:D.272, H2O.7 ZN.6: 4 residues within 4Å: Chain B: W.102, K.140, H.172, H.201 3 PLIP interactions: 2 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:H.172, B:H.201, H2O.7 ZN.7: 5 residues within 4Å: Chain B: H.201, D.203, D.224, G.225, D.272 4 PLIP interactions: 2 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:H.201, B:D.224, H2O.7, H2O.7

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

EBP.4: 5 residues within 4Å: Chain A: Q.119, R.123, Q.126, Y.127 Chain B: E.42 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B pi-Stacking: A:Y.127 Hydrophobic interactions: B:E.42 EBP.8: 5 residues within 4Å: Chain A: E.42 Chain B: R.123, Q.126, Y.127, R.135 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:Y.127, B:Y.127

1 x EFS: ETHYL DIHYDROGEN PHOSPHATE(Non-covalent)

EFS.9: 5 residues within 4Å: Chain B: F.103, T.143, T.144, H.172, A.174 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:F.103 Salt bridges: B:H.172

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hill, C.M. et al., Enhanced degradation of chemical warfare agents through molecular engineering of the phosphotriesterase active site. J.Am.Chem.Soc. (2003)

Release Date

2003-09-16

Peptides

Parathion hydrolase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Parathion hydrolase

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