SMTL ID : 1spa.1

ROLE OF ASP222 IN THE CATALYTIC MECHANISM OF ESCHERICHIA COLI ASPARTATE AMINOTRANSFERASE: THE AMINO ACID RESIDUE WHICH ENHANCES THE FUNCTION OF THE ENZYME-BOUND COENZYME PYRIDOXAL 5'-PHOSPHATE

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-dimer

Ligands

2 x NPL: N-METHYL-4-DEOXY-4-AMINO-PYRIDOXAL-5-PHOSPHATE(Non-covalent)

NPL.1: 14 residues within 4Å: Chain A: G.102, G.103, T.104, L.107, W.130, H.133, N.183, A.211, A.213, Y.214, S.243, S.245, R.254 Chain B: Y.65 14 PLIP interactions: 12 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:A.211 Hydrogen bonds: A:G.103, A:T.104, A:T.104, A:N.183, A:Y.214, A:Y.214, A:S.243, A:S.245 Water bridges: A:H.178, B:N.285, B:N.285 Salt bridges: A:R.254 pi-Stacking: A:W.130 NPL.2: 14 residues within 4Å: Chain A: Y.65 Chain B: G.102, G.103, T.104, L.107, W.130, H.133, N.183, A.211, A.213, Y.214, S.243, S.245, R.254 15 PLIP interactions: 3 interactions with chain A, 12 interactions with chain B Hydrogen bonds: A:Y.65, B:G.103, B:T.104, B:N.183, B:Y.214, B:S.243, B:S.245 Water bridges: A:N.285, A:N.285, B:H.178, B:N.183, B:Y.214 Hydrophobic interactions: B:A.211 Salt bridges: B:R.254 pi-Stacking: B:W.130

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Yano, T. et al., Role of Asp222 in the catalytic mechanism of Escherichia coli aspartate aminotransferase: the amino acid residue which enhances the function of the enzyme-bound coenzyme pyridoxal 5'-phosphate. Biochemistry (1992)

Release Date

1993-10-31

Peptides

ASPARTATE AMINOTRANSFERASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

ASPARTATE AMINOTRANSFERASE

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