SMTL ID : 1asf.1

THE STRUCTURAL BASIS FOR THE REDUCED ACTIVITY OF THE Y226F(Y225F) ACTIVE SITE MUTANT OF E. COLI ASPARTATE AMINOTRANSFERASE

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.80 Å

Oligo State

homo-dimer

Ligands

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

SO4.1: 8 residues within 4Å: Chain A: I.13, G.34, W.130, N.183, K.246, F.348, R.374 Ligands: PLP.2 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:W.130, A:N.183 Salt bridges: A:K.246, A:R.374 SO4.3: 8 residues within 4Å: Chain B: I.13, G.34, W.130, N.183, K.246, F.348, R.374 Ligands: PLP.4 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:W.130, B:N.183 Salt bridges: B:K.246, B:R.374

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, F.214, S.243, S.245, K.246, R.254 Chain B: Y.65 Ligands: SO4.1 14 PLIP interactions: 14 interactions with chain A Hydrophobic interactions: A:W.130, A:A.213, A:K.246 Hydrogen bonds: A:G.103, A:T.104, A:T.104, 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, F.214, S.243, S.245, K.246, R.254 Ligands: SO4.3 14 PLIP interactions: 13 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:W.130, B:A.213, B:K.246 Hydrogen bonds: B:G.103, B:T.104, B:T.104, B:N.183, B:S.243, B:S.245, A:Y.65 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

Schumacher, C. et al., The Structural Basis for the Reduced Activity of the Y226F(Y225F) Active Site Mutant of E. Coli Aspartate Aminotransferase. To be Published

Release Date

1994-04-30

Peptides

ASPARTATE AMINOTRANSFERASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

ASPARTATE AMINOTRANSFERASE

Related Entries With Identical Sequence