SMTL ID : 4e3t.1

Round 18 Arylesterase Variant of Phosphotriesterase with Bound Transition State Analog

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.65 Å

Oligo State

homo-dimer

Ligands

6 x ZN: ZINC ION(Non-covalent)

ZN.1: 7 residues within 4Å: Chain A: H.23, H.25, V.69, K.137, D.269 Ligands: ZN.2, ZN.3 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:H.23, A:H.25, A:D.269, H2O.8, H2O.8 ZN.2: 4 residues within 4Å: Chain A: H.169, H.198 Ligands: ZN.1, ZN.3 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:H.169, A:H.198, H2O.8, H2O.8, H2O.9 ZN.3: 5 residues within 4Å: Chain A: H.23, H.198, D.269 Ligands: ZN.1, ZN.2 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:H.23, A:H.198, H2O.8, H2O.8 ZN.4: 7 residues within 4Å: Chain B: H.23, H.25, V.69, D.269 Ligands: ZN.5, ZN.6, HLN.7 4 PLIP interactions: 3 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:H.23, B:H.25, B:D.269, H2O.18 ZN.5: 6 residues within 4Å: Chain B: K.137, H.169, H.198 Ligands: ZN.4, ZN.6, HLN.7 3 PLIP interactions: 2 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:H.169, B:H.198, H2O.18 ZN.6: 6 residues within 4Å: Chain B: H.23, H.198, D.269 Ligands: ZN.4, ZN.5, HLN.7 4 PLIP interactions: 3 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:H.23, B:H.198, B:D.269, H2O.18

1 x HLN: hexyl(naphthalen-2-yloxy)phosphinic acid(Non-covalent)

HLN.7: 16 residues within 4Å: Chain B: H.23, H.25, W.99, H.169, G.172, H.198, E.201, R.222, A.238, F.239, D.269, I.274, S.276 Ligands: ZN.4, ZN.5, ZN.6 8 PLIP interactions: 8 interactions with chain B Hydrophobic interactions: B:W.99, B:F.239, B:F.239, B:F.239, B:I.274 Water bridges: B:R.222 pi-Cation interactions: B:R.222, B:R.222

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Tokuriki, N. et al., Diminishing returns and tradeoffs constrain the laboratory optimization of an enzyme. Nat Commun (2012)

Release Date

2013-01-23

Peptides

Phosphotriesterase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Phosphotriesterase

Related Entries With Identical Sequence