SMTL ID : 1akc.1

Structural basis for the catalytic activity of aspartate aminotransferase K258H lacking its pyridoxal-5'-phosphate-binding lysine residue

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

homo-dimer

Ligands

2 x PPE: 4-[(1,3-DICARBOXY-PROPYLAMINO)-METHYL]-3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDINIUM(Non-covalent)

PPE.1: 21 residues within 4Å: Chain A: I.15, L.16, V.35, G.36, S.104, G.105, T.106, W.133, N.186, D.214, A.216, Y.217, S.247, A.249, H.250, R.258, F.352, R.378 Chain B: Y.67, R.284, S.288 21 PLIP interactions: 8 interactions with chain B, 13 interactions with chain A Hydrophobic interactions: B:Y.67, A:V.35, A:N.186 Hydrogen bonds: B:Y.67, B:Y.67, B:Y.67, B:S.288, A:G.36, A:S.104, A:G.105, A:T.106, A:N.186, A:Y.217, A:Y.217, A:S.247 Water bridges: B:R.284, B:N.289 Salt bridges: B:R.284, A:R.258, A:R.378 pi-Stacking: A:W.133 PPE.2: 21 residues within 4Å: Chain A: Y.67, R.284, S.288 Chain B: I.15, L.16, V.35, G.36, S.104, G.105, T.106, W.133, N.186, D.214, A.216, Y.217, S.247, A.249, H.250, R.258, F.352, R.378 21 PLIP interactions: 7 interactions with chain A, 14 interactions with chain B Hydrophobic interactions: A:Y.67, B:V.35, B:N.186 Hydrogen bonds: A:Y.67, A:Y.67, A:S.288, B:G.36, B:S.104, B:G.105, B:T.106, B:T.106, B:N.186, B:Y.217, B:Y.217, B:S.247 Water bridges: A:R.284, A:N.289 Salt bridges: A:R.284, B:R.258, B:R.378 pi-Stacking: B:W.133

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

1994-07-31

Peptides

ASPARTATE AMINOTRANSFERASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

ASPARTATE AMINOTRANSFERASE

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