SMTL ID : 3e9k.1

Crystal structure of Homo sapiens kynureninase-3-hydroxyhippuric acid inhibitor complex

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

homo-dimer

Ligands

2 x PLP: PYRIDOXAL-5'-PHOSPHATE(Covalent)

PLP.1: 13 residues within 4Å: Chain A: L.137, T.138, F.165, D.168, D.250, A.252, H.253, Y.275, K.276 Chain B: W.305, S.332, N.333 Ligands: 3XH.2 12 PLIP interactions: 9 interactions with chain A, 3 interactions with chain B Hydrophobic interactions: A:L.137, A:F.165, A:K.276 Hydrogen bonds: A:T.138, A:T.138, A:Y.275, B:W.305, B:N.333, B:N.333 Water bridges: A:L.137, A:L.137 pi-Stacking: A:F.165 PLP.3: 13 residues within 4Å: Chain A: W.305, S.332, N.333 Chain B: L.137, T.138, F.165, D.168, D.250, A.252, H.253, Y.275, K.276 Ligands: 3XH.4 11 PLIP interactions: 8 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:L.137, B:F.165, B:K.276 Hydrogen bonds: B:T.138, B:K.276, A:W.305, A:N.333, A:N.333 Water bridges: B:L.137, B:L.137 pi-Stacking: B:F.165

2 x 3XH: 3-Hydroxyhippuric acid(Non-covalent)

3XH.2: 14 residues within 4Å: Chain A: S.75, F.165, F.225, H.253, Y.275, K.276, R.434 Chain B: H.102, I.110, W.305, F.306, F.314, N.333 Ligands: PLP.1 8 PLIP interactions: 5 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:I.110, B:W.305, B:F.314 Hydrogen bonds: B:H.102 pi-Stacking: B:H.102 Salt bridges: A:H.253, A:K.276, A:R.434 3XH.4: 14 residues within 4Å: Chain A: H.102, I.110, W.305, F.306, F.314, N.333 Chain B: S.75, F.165, F.225, H.253, Y.275, K.276, R.434 Ligands: PLP.3 12 PLIP interactions: 6 interactions with chain A, 6 interactions with chain B Hydrophobic interactions: A:I.110, A:W.305, A:F.314 Water bridges: A:W.109, A:N.333, B:K.276, B:K.276 pi-Stacking: A:H.102 Hydrogen bonds: B:Y.275 Salt bridges: B:H.253, B:K.276, B:R.434

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lima, S. et al., Crystal structure of the Homo sapiens kynureninase-3-hydroxyhippuric acid inhibitor complex: insights into the molecular basis of kynureninase substrate specificity. J.Med.Chem. (2009)

Release Date

2008-12-09

Peptides

Kynureninase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Kynureninase