SMTL ID : 3a9i.1

Crystal structure of homocitrate synthase from Thermus thermophilus complexed with Lys

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

homo-dimer

Ligands

2 x CO: COBALT (II) ION(Non-covalent)

CO.1: 4 residues within 4Å: Chain A: E.13, H.195, H.197 Ligands: LYS.2 5 PLIP interactions: 3 interactions with chain A, 1 Ligand-Ligand interactions, 1 Ligand-Water interactions Metal complexes: A:E.13, A:H.195, A:H.197, LYS.2, H2O.2 CO.3: 4 residues within 4Å: Chain B: E.13, H.195, H.197 Ligands: LYS.4 5 PLIP interactions: 3 interactions with chain B, 1 Ligand-Ligand interactions, 1 Ligand-Water interactions Metal complexes: B:E.13, B:H.195, B:H.197, LYS.4, H2O.9

2 x LYS: LYSINE(Non-covalent)

LYS.2: 12 residues within 4Å: Chain A: R.12, E.13, D.92, L.94, S.135, A.164, T.166, E.193, H.195, H.197 Chain B: Y.297 Ligands: CO.1 11 PLIP interactions: 9 interactions with chain A, 1 Ligand-Ligand interactions, 1 interactions with chain B Hydrophobic interactions: A:A.164, A:H.195 Hydrogen bonds: A:S.135, A:S.135, B:Y.297 Water bridges: A:R.12, A:R.133, A:R.133, K.2 Salt bridges: A:H.195, A:H.197 LYS.4: 12 residues within 4Å: Chain A: Y.297 Chain B: R.12, E.13, D.92, L.94, S.135, A.164, T.166, E.193, H.195, H.197 Ligands: CO.3 13 PLIP interactions: 10 interactions with chain B, 2 interactions with chain A, 1 Ligand-Ligand interactions Hydrophobic interactions: B:A.164, B:H.195 Hydrogen bonds: B:S.135, B:S.135, B:E.193, A:Y.297, A:Y.297 Water bridges: B:R.12, B:D.92, B:R.133, K.4 Salt bridges: B:H.195, B:H.197

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

2009-12-22

Peptides

Homocitrate synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Homocitrate synthase