SMTL ID : 1ix7.1

Aspartate Aminotransferase Active Site Mutant V39F maleate complex

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

homo-dimer

Ligands

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

PLP.1: 14 residues within 4Å: Chain A: G.102, G.103, T.104, W.130, N.183, D.211, A.213, Y.214, S.243, S.245, K.246, R.254 Chain B: Y.65 Ligands: MAE.2 19 PLIP interactions: 17 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:N.183, A:A.213, A:K.246 Hydrogen bonds: A:G.103, A:T.104, A:T.104, A:N.183, A:Y.214, A:S.243, A:S.245, A:K.246, B:Y.65 Water bridges: A:F.212, A:R.254, B:S.284 Salt bridges: A:K.246, A:R.254 pi-Stacking: A:W.130, A:W.130 PLP.3: 14 residues within 4Å: Chain A: Y.65 Chain B: G.102, G.103, T.104, W.130, N.183, D.211, A.213, Y.214, S.243, S.245, K.246, R.254 Ligands: MAE.4 17 PLIP interactions: 14 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:N.183, B:A.213, B:K.246 Hydrogen bonds: B:G.103, B:T.104, B:N.183, B:S.243, B:S.245, A:Y.65, A:Y.65 Water bridges: B:T.104, B:F.212, A:S.284 Salt bridges: B:K.246, B:R.254 pi-Stacking: B:W.130, B:W.130

2 x MAE: MALEIC ACID(Non-covalent)

MAE.2: 8 residues within 4Å: Chain A: I.13, G.34, W.130, N.183, R.374 Chain B: Y.65, R.280 Ligands: PLP.1 7 PLIP interactions: 4 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:S.284, A:N.183 Water bridges: B:Y.65, B:N.285, A:G.34 Salt bridges: B:R.280, A:R.374 MAE.4: 8 residues within 4Å: Chain A: Y.65, R.280 Chain B: I.13, G.34, W.130, N.183, R.374 Ligands: PLP.3 7 PLIP interactions: 4 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:N.183, A:S.284 Water bridges: B:G.34, B:T.104, A:Y.65 Salt bridges: B:R.374, A:R.280

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hayashi, H. et al., Conformational change in aspartate aminotransferase on substrate binding induces strain in the catalytic group and enhances catalysis. J.BIOL.CHEM. (2003)

Release Date

2002-07-03

Peptides

Aspartate Aminotransferase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Aspartate Aminotransferase

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