SMTL ID : 1p6c.1

crystal structure of phosphotriesterase triple mutant H254G/H257W/L303T complexed with diisopropylmethylphosphonate

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-dimer

Ligands

4 x ZN: ZINC ION(Non-covalent)

ZN.1: 6 residues within 4Å: Chain A: H.26, H.28, K.140, D.272 Ligands: ZN.2, DII.4 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 ZN.2: 5 residues within 4Å: Chain A: K.140, H.172, H.201 Ligands: ZN.1, DII.4 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:H.172, A:H.201, H2O.4 ZN.5: 6 residues within 4Å: Chain B: H.26, H.28, V.72, K.140, D.272 Ligands: ZN.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.7 ZN.6: 5 residues within 4Å: Chain B: K.140, H.172, H.201 Ligands: ZN.5, DII.8 3 PLIP interactions: 2 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:H.172, B:H.201, H2O.7

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

EBP.3: 3 residues within 4Å: Chain A: R.123, Q.126, Y.127 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:Y.127 pi-Stacking: A:Y.127 EBP.7: 5 residues within 4Å: Chain A: E.42 Chain B: R.123, Q.126, Y.127, R.135 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:R.123, B:Y.127 pi-Stacking: B:Y.127

2 x DII: METHYLPHOSPHONIC ACID DIISOPROPYL ESTER(Non-covalent)

DII.4: 11 residues within 4Å: Chain A: H.28, W.102, F.103, K.140, H.172, H.201, W.228, L.242, D.272 Ligands: ZN.1, ZN.2 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:W.102, A:L.242 DII.8: 9 residues within 4Å: Chain B: H.28, W.102, F.103, K.140, H.172, W.228, D.272, F.277 Ligands: ZN.6 1 PLIP interactions: 1 interactions with chain B Hydrophobic interactions: B:F.277

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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