SMTL ID : 3aat.1

ACTIVITY AND STRUCTURE OF THE ACTIVE-SITE MUTANTS R386Y AND R386F OF ESCHERICHIA COLI ASPARTATE AMINOTRANSFERASE

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.80 Å

Oligo State

homo-dimer

Ligands

2 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 4 residues within 4Å: Chain A: G.34, W.130, N.183 Ligands: PLP.2 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.183 Salt bridges: A:K.246 SO4.3: 4 residues within 4Å: Chain B: G.34, W.130, N.183 Ligands: PLP.4 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:N.183 Salt bridges: B:K.246

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

PLP.2: 15 residues within 4Å: Chain A: G.102, G.103, T.104, W.130, H.178, N.183, D.211, A.213, Y.214, S.243, S.245, K.246, R.254 Chain B: Y.65 Ligands: SO4.1 13 PLIP interactions: 13 interactions with chain A Hydrophobic interactions: A:W.130, A:A.213, A:Y.214, A:K.246 Hydrogen bonds: A:G.102, A:T.104, A:N.183, A:S.243, A:S.245 Salt bridges: A:K.246, A:R.254 pi-Stacking: A:W.130, A:W.130 PLP.4: 15 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, K.246, R.254 Ligands: SO4.3 15 PLIP interactions: 1 interactions with chain A, 14 interactions with chain B Hydrogen bonds: A:Y.65, B:G.102, B:T.104, B:N.183, B:Y.214, B:S.243, B:S.245 Hydrophobic interactions: B:W.130, B:A.213, B:Y.214, B:K.246 Salt bridges: B:K.246, B:R.254 pi-Stacking: B:W.130, B:W.130

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Danishefsky, A.T. et al., Activity and structure of the active-site mutants R386Y and R386F of Escherichia coli aspartate aminotransferase. Biochemistry (1991)

Release Date

1992-01-15

Peptides

ASPARTATE AMINOTRANSFERASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

ASPARTATE AMINOTRANSFERASE