SMTL ID : 1ari.1

Aspartate aminotransferase, W140H mutant, maleate complex

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

homo-dimer

Ligands

2 x PLP: PYRIDOXAL-5'-PHOSPHATE(Covalent)

PLP.1: 13 residues within 4Å: Chain A: G.102, G.103, T.104, H.130, N.183, D.211, Y.214, S.243, S.245, K.246, R.254 Chain B: Y.65 Ligands: MAE.2 14 PLIP interactions: 13 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:N.183, A:K.246 Hydrogen bonds: A:G.103, A:T.104, A:T.104, A:N.183, A:S.243, A:S.245, B:Y.65 Water bridges: A:R.254, A:R.254 Salt bridges: A:K.246, A:R.254 pi-Cation interactions: A:H.130 PLP.3: 13 residues within 4Å: Chain A: Y.65 Chain B: G.102, G.103, T.104, N.183, D.211, A.213, Y.214, S.243, S.245, K.246, R.254 Ligands: MAE.4 15 PLIP interactions: 1 interactions with chain A, 14 interactions with chain B Water bridges: A:S.284 Hydrophobic interactions: B:N.183, B:K.246 Hydrogen bonds: B:G.103, B:T.104, B:T.104, B:T.104, B:N.183, B:S.243, B:S.243, B:S.245, B:K.246 Salt bridges: B:K.246, B:R.254 pi-Cation interactions: B:H.130

2 x MAE: MALEIC ACID(Non-covalent)

MAE.2: 10 residues within 4Å: Chain A: I.13, L.14, I.33, G.34, H.130, N.183, F.348, R.374 Chain B: R.280 Ligands: PLP.1 7 PLIP interactions: 2 interactions with chain B, 5 interactions with chain A Water bridges: B:R.280 Salt bridges: B:R.280, A:H.130, A:H.130, A:R.374 Hydrogen bonds: A:G.34, A:N.183 MAE.4: 10 residues within 4Å: Chain A: R.280, S.284 Chain B: I.13, I.33, G.34, H.130, N.183, K.246, R.374 Ligands: PLP.3 8 PLIP interactions: 2 interactions with chain A, 6 interactions with chain B Hydrogen bonds: A:S.284, B:G.34, B:N.183 Salt bridges: A:R.280, B:H.130, B:H.130, B:K.246, B:R.374

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Vacca, R.A. et al., Substitution of apolar residues in the active site of aspartate aminotransferase by histidine. Effects on reaction and substrate specificity. Eur.J.Biochem. (1995)

Release Date

1995-11-14

Peptides

ASPARTATE AMINOTRANSFERASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

ASPARTATE AMINOTRANSFERASE