SMTL ID : 4cfs.3 (3 other biounits)

CRYSTAL STRUCTURE OF THE COFACTOR-DEVOID 1-H-3-HYDROXY-4- OXOQUINALDINE 2,4-DIOXYGENASE (HOD) CATALYTICALLY INACTIVE H251A VARIANT COMPLEXED WITH ITS NATURAL SUBSTRATE 1-H-3-HYDROXY-4- OXOQUINALDINE

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.94 Å

Oligo State

monomer

Ligands

1 x K: POTASSIUM ION(Non-covalent)

K.1: 4 residues within 4Å: Chain A: A.246, H.249, P.250, F.252 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:A.246, A:F.252, H2O.5, H2O.5

1 x HQD: 3-HYDROXY-2-METHYLQUINOLIN-4(1H)-ONE(Non-covalent)

HQD.2: 12 residues within 4Å: Chain A: W.47, H.49, H.111, S.112, H.113, L.154, W.171, M.188, W.196, S.199, I.203, F.263 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:W.47, A:L.154, A:W.171, A:W.196, A:I.203 Hydrogen bonds: A:W.47, A:W.47, A:H.111, A:S.112

3 x TAR: D(-)-TARTARIC ACID(Non-covalent)

TAR.3: 3 residues within 4Å: Chain A: K.178, R.181, H.182 3 PLIP interactions: 3 interactions with chain A Salt bridges: A:K.178, A:R.181, A:H.182 TAR.4: 1 residues within 4Å: Chain A: D.176 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:D.176 Water bridges: A:D.176 TAR.5: 3 residues within 4Å: Chain A: K.256, L.257, G.258 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:L.257

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hernandez-Ortega, A. et al., Origin of the Proton-Transfer Step in the Cofactor-Free 1-H-3-Hydroxy-4-Oxoquinaldine 2,4- Dioxygenase: Effect of the Basicity of an Active Site His Residue. J.Biol.Chem. (2014)

Release Date

2013-12-04

Peptides

1-H-3-HYDROXY-4-OXOQUINALDINE 2,4-DIOXYGENASE: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

1-H-3-HYDROXY-4-OXOQUINALDINE 2,4-DIOXYGENASE

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