SMTL ID : 1aib.1

STRUCTURAL BASIS FOR THE CATALYTIC ACTIVITY OF ASPARTATE AMINOTRANSFERASE K258H LACKING THE PYRIDOXAL-5'-PHOSPHATE BINDING LYSINE RESIDUE

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.80 Å

Oligo State

homo-dimer

Ligands

2 x PMP: 4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATE(Non-covalent)

PMP.1: 15 residues within 4Å: Chain A: G.102, G.103, T.104, W.130, H.133, H.178, N.183, D.211, A.213, Y.214, S.243, S.245, R.254 Chain B: Y.65 Ligands: AKG.2 13 PLIP interactions: 3 interactions with chain B, 10 interactions with chain A Hydrogen bonds: B:Y.65, B:Y.65, B:Y.65, A:G.103, A:T.104, A:T.104, A:N.183, A:S.243, A:S.245 Hydrophobic interactions: A:A.213 Salt bridges: A:R.254 pi-Stacking: A:W.130, A:W.130 PMP.3: 14 residues within 4Å: Chain A: Y.65 Chain B: G.102, G.103, T.104, W.130, H.178, N.183, D.211, A.213, Y.214, S.243, S.245, R.254 Ligands: AKG.4 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:W.130 Hydrogen bonds: B:G.103, B:T.104, B:T.104, B:N.183, B:S.243, B:S.245 Salt bridges: B:R.254 pi-Stacking: B:W.130, B:W.130

2 x AKG: 2-OXOGLUTARIC ACID(Non-covalent)

AKG.2: 10 residues within 4Å: Chain A: I.13, N.183, Y.214, F.348, R.374 Chain B: Y.65, R.280, S.284, N.285 Ligands: PMP.1 6 PLIP interactions: 3 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:N.183, A:Y.214, B:S.284, B:N.285 Salt bridges: A:R.374, B:R.280 AKG.4: 13 residues within 4Å: Chain A: Y.65, R.280, S.284, N.285 Chain B: I.13, L.14, G.34, W.130, N.183, Y.214, F.348, R.374 Ligands: PMP.3 7 PLIP interactions: 4 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:R.280, A:S.284, A:N.285, B:N.183, B:Y.214 Salt bridges: A:R.280, B:R.374

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Malashkevich, V.N. et al., Structural basis for the catalytic activity of aspartate aminotransferase K258H lacking the pyridoxal 5'-phosphate-binding lysine residue. Biochemistry (1995)

Release Date

1994-10-15

Peptides

ASPARTATE AMINOTRANSFERASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

ASPARTATE AMINOTRANSFERASE

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