SMTL ID : 2zyf.1

Crystal structure of homocitrate synthase from Thermus thermophilus complexed with magnesuim ion and alpha-ketoglutarate

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.15 Å

Oligo State

homo-dimer

Ligands

2 x AKG: 2-OXOGLUTARIC ACID(Non-covalent)

AKG.1: 12 residues within 4Å: Chain A: R.12, E.13, H.72, L.94, R.133, S.135, E.137, A.164, T.166, H.195, H.197 Ligands: MG.2 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:L.94 Hydrogen bonds: A:R.12, A:R.12, A:S.135 Water bridges: A:Q.16, A:R.133, A:R.133 Salt bridges: A:H.72, A:R.133, A:H.195, A:H.195 AKG.3: 12 residues within 4Å: Chain B: R.12, E.13, H.72, L.94, R.133, S.135, E.137, A.164, T.166, H.195, H.197 Ligands: MG.4 11 PLIP interactions: 11 interactions with chain B Hydrophobic interactions: B:L.94 Hydrogen bonds: B:R.12, B:R.12, B:S.135 Water bridges: B:Q.16, B:R.133, B:R.133 Salt bridges: B:H.72, B:R.133, B:H.195, B:H.195

2 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 4 residues within 4Å: Chain A: E.13, H.195, H.197 Ligands: AKG.1 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.13, A:H.195, A:H.197, H2O.5 MG.4: 4 residues within 4Å: Chain B: E.13, H.195, H.197 Ligands: AKG.3 4 PLIP interactions: 3 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:E.13, B:H.195, B:H.197, H2O.10

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Okada, T. et al., Mechanism of substrate recognition and insight into feedback inhibition of homocitrate synthase from thermus thermophilus. J.Biol.Chem. (2009)

Release Date

2009-12-22

Peptides

Homocitrate synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Homocitrate synthase

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