SMTL ID : 1gck.1

THERMUS THERMOPHILUS ASPARTATE AMINOTRANSFERASE DOUBLE MUTANT 1 COMPLEXED WITH ASPARTATE

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

homo-dimer

Ligands

2 x ASP: ASPARTIC ACID(Non-covalent)

ASP.1: 9 residues within 4Å: Chain A: G.39, W.125, N.175, Y.206, K.234, R.361 Chain B: Y.64, R.261 Ligands: PLP.2 10 PLIP interactions: 4 interactions with chain B, 3 Ligand-Ligand interactions, 3 interactions with chain A Hydrophobic interactions: B:Y.64 Hydrogen bonds: B:Y.64, B:Y.64, D.1, D.1, D.1, A:N.175, A:K.234 Salt bridges: B:R.261, A:R.361 ASP.3: 10 residues within 4Å: Chain A: Y.64, R.261 Chain B: T.16, G.39, W.125, N.175, K.234, Y.322, R.361 Ligands: PLP.4 7 PLIP interactions: 1 Ligand-Ligand interactions, 5 interactions with chain B, 1 interactions with chain A Hydrogen bonds: D.3, B:T.16, B:N.175, B:K.234, B:Y.322 Salt bridges: B:R.361, A:R.261

2 x PLP: PYRIDOXAL-5'-PHOSPHATE(Non-covalent)

PLP.2: 14 residues within 4Å: Chain A: G.100, S.101, W.125, Y.128, N.171, N.175, D.203, I.205, Y.206, A.233, K.234, R.242 Chain B: Y.64 Ligands: ASP.1 11 PLIP interactions: 9 interactions with chain A, 2 Ligand-Ligand interactions Hydrophobic interactions: A:Y.206, D.1 Hydrogen bonds: A:G.100, A:S.101, A:S.101, A:N.175, D.1 Salt bridges: A:K.234, A:R.242 pi-Stacking: A:W.125, A:W.125 PLP.4: 15 residues within 4Å: Chain A: Y.64 Chain B: G.99, G.100, S.101, W.125, Y.128, N.171, N.175, D.203, I.205, Y.206, A.233, K.234, R.242 Ligands: ASP.3 11 PLIP interactions: 1 Ligand-Ligand interactions, 1 interactions with chain A, 9 interactions with chain B Hydrophobic interactions: D.3, B:W.125, B:N.175, B:Y.206 Hydrogen bonds: A:Y.64, B:G.100, B:S.101, B:N.175 Salt bridges: B:R.242 pi-Stacking: B:W.125, B:W.125

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ura, H. et al., Substrate recognition mechanism of thermophilic dual-substrate enzyme. J.Biochem. (2001)

Release Date

2001-11-14

Peptides

ASPARTATE AMINOTRANSFERASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

ASPARTATE AMINOTRANSFERASE

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