SMTL ID : 2ztk.1

Crystal structure of homocitrate synthase from Thermus thermophilus complexed with homocitrate

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.96 Å

Oligo State

homo-dimer

Ligands

2 x HCA: 3-HYDROXY-3-CARBOXY-ADIPIC ACID(Non-covalent)

HCA.1: 14 residues within 4Å: Chain A: R.12, E.13, Q.16, H.72, L.94, R.133, S.135, E.137, A.164, T.166, H.195, H.197 Chain B: H.292 Ligands: CU.2 15 PLIP interactions: 1 interactions with chain B, 14 interactions with chain A Salt bridges: B:H.292, A:H.72, A:R.133, A:H.195, A:H.195, A:H.197 Hydrophobic interactions: A:A.164, A:H.195 Hydrogen bonds: A:R.12, A:R.12, A:Q.16, A:S.135, A:E.137 Water bridges: A:R.133, A:R.133 HCA.3: 14 residues within 4Å: Chain A: H.292 Chain B: R.12, E.13, Q.16, H.72, L.94, R.133, S.135, E.137, A.164, T.166, H.195, H.197 Ligands: CU.4 16 PLIP interactions: 1 interactions with chain A, 15 interactions with chain B Salt bridges: A:H.292, B:H.72, B:R.133, B:H.195, B:H.195, B:H.197 Hydrophobic interactions: B:A.164, B:H.195 Hydrogen bonds: B:R.12, B:R.12, B:Q.16, B:S.135, B:E.137, B:E.137 Water bridges: B:R.133, B:R.133

2 x CU: COPPER (II) ION(Non-covalent)

CU.2: 4 residues within 4Å: Chain A: E.13, H.195, H.197 Ligands: HCA.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.7 CU.4: 4 residues within 4Å: Chain B: E.13, H.195, H.197 Ligands: HCA.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.21

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. (2010)

Release Date

2009-10-13

Peptides

Homocitrate synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Homocitrate synthase

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