SMTL ID : 2r2n.1 (1 other biounit)

The crystal structure of human kynurenine aminotransferase II in complex with kynurenine

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.95 Å

Oligo State

homo-dimer

Ligands

2 x PMP: 4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATE(Non-covalent)

PMP.1: 16 residues within 4Å: Chain A: G.116, S.117, Q.118, Y.142, V.197, N.202, D.230, P.232, Y.233, S.260, S.262, K.263, R.270 Chain B: Y.74, L.293 Ligands: KYN.3 19 PLIP interactions: 18 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:Y.142, A:V.197, A:P.232, A:Y.233 Hydrogen bonds: A:S.117, A:Q.118, A:N.202, A:Y.233, A:Y.233, A:S.260, A:S.260, A:S.262, A:K.263, B:Y.74 Water bridges: A:Q.119, A:S.262 Salt bridges: A:K.263, A:R.270 pi-Stacking: A:Y.142 PMP.5: 15 residues within 4Å: Chain A: Y.74 Chain B: G.116, S.117, Q.118, Y.142, V.197, N.202, D.230, P.232, Y.233, S.260, S.262, K.263, R.270 Ligands: KYN.2 19 PLIP interactions: 18 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:Y.142, B:V.197, B:P.232, B:Y.233 Hydrogen bonds: B:S.117, B:Q.118, B:N.202, B:Y.233, B:S.260, B:S.260, B:S.262, B:K.263, B:K.263, A:Y.74 Water bridges: B:Q.119, B:S.262 Salt bridges: B:K.263, B:R.270 pi-Stacking: B:Y.142

2 x KYN: (2S)-2-amino-4-(2-aminophenyl)-4-oxobutanoic acid(Non-covalent)

KYN.2: 11 residues within 4Å: Chain A: I.19, R.20, G.39, L.40, Y.74, L.293 Chain B: Y.142, S.143, N.202, R.399 Ligands: PMP.5 8 PLIP interactions: 3 interactions with chain A, 5 interactions with chain B Hydrophobic interactions: A:L.40, A:Y.74, B:Y.142 pi-Stacking: A:Y.74 Hydrogen bonds: B:Y.142, B:N.202, B:R.399 Salt bridges: B:R.399 KYN.3: 8 residues within 4Å: Chain A: Y.142, N.202, R.399 Chain B: I.19, R.20, G.39, Y.74 Ligands: PMP.1 7 PLIP interactions: 2 interactions with chain B, 5 interactions with chain A Hydrogen bonds: B:G.39, A:Y.142, A:N.202 Salt bridges: B:R.20, A:R.399 Hydrophobic interactions: A:Y.142 Water bridges: A:K.263

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.4: 9 residues within 4Å: Chain A: P.43, N.44, F.46, F.48, K.49, E.65, M.68, K.69, L.72 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:N.44, A:K.49, A:E.65, A:M.68, A:K.69

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Han, Q. et al., Crystal structure of human kynurenine aminotransferase II. J.Biol.Chem. (2008)

Release Date

2007-12-04

Peptides

Kynurenine/alpha-aminoadipate aminotransferase mitochondrial: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Kynurenine/alpha-aminoadipate aminotransferase mitochondrial

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