SMTL ID : 3urn.1

Crystal Structure of PTE mutant H254G/H257W/L303T/K185R/I274N/A80V/S61T with cyclohexyl methylphosphonate inhibitor

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.95 Å

Oligo State

homo-dimer

Ligands

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

CO.1: 6 residues within 4Å: Chain A: W.97, K.135, H.167, H.196 Ligands: CO.2, QMP.3 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:H.167, A:H.196, H2O.8 CO.2: 5 residues within 4Å: Chain A: H.21, H.23, K.135, D.267 Ligands: CO.1 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:H.21, A:H.23, A:D.267, H2O.8 CO.5: 6 residues within 4Å: Chain B: H.21, H.23, K.135, D.267 Ligands: CO.6, QMP.7 4 PLIP interactions: 3 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:H.21, B:H.23, B:D.267, H2O.15 CO.6: 6 residues within 4Å: Chain B: W.97, K.135, H.167, H.196 Ligands: CO.5, QMP.7 3 PLIP interactions: 2 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:H.167, B:H.196, H2O.15

2 x QMP: cyclohexyl methylphosphonate(Non-covalent)

QMP.3: 12 residues within 4Å: Chain A: H.23, G.26, I.72, W.97, F.98, K.135, H.167, H.196, W.223, D.267, F.272 Ligands: CO.1 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:I.72, A:W.97, A:W.223, A:F.272 QMP.7: 13 residues within 4Å: Chain B: H.23, G.26, I.72, W.97, F.98, K.135, H.167, H.196, W.223, F.272 Ligands: CO.5, CO.6, IMD.9 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:I.72, B:W.97, B:W.223, B:F.272

3 x IMD: IMIDAZOLE(Non-covalent)

IMD.4: 8 residues within 4Å: Chain A: H.196, D.198, D.199, D.219, G.220, W.223, R.246, D.267 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:D.199, A:R.246 pi-Cation interactions: A:H.196 IMD.8: 8 residues within 4Å: Chain B: H.196, D.198, D.199, D.219, G.220, W.223, R.246, D.267 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:R.246, B:D.267 Water bridges: B:R.246 pi-Stacking: B:H.196 IMD.9: 7 residues within 4Å: Chain A: L.102 Chain B: W.97, L.237, F.272, S.274, Y.275 Ligands: QMP.7 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:S.274

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Tsai, P.C. et al., Enzymes for the homeland defense: optimizing phosphotriesterase for the hydrolysis of organophosphate nerve agents. Biochemistry (2012)

Release Date

2012-08-01

Peptides

Parathion hydrolase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Parathion hydrolase

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