SMTL ID : 4jev.1

N-acetylornithine aminotransferase from S. typhimurium complexed with gabaculine

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.67 Å

Oligo State

homo-dimer

Ligands

2 x PXG: 3-[O-PHOSPHONOPYRIDOXYL]--AMINO-BENZOIC ACID(Covalent)(Non-covalent)

PXG.1: 17 residues within 4Å: Chain A: I.66, S.122, G.123, T.124, N.127, F.156, H.157, G.158, E.208, E.213, D.241, V.243, Q.244, K.270, R.392 Chain B: S.298, T.299 21 PLIP interactions: 16 interactions with chain A, 5 interactions with chain B Hydrophobic interactions: A:I.66, A:E.208, A:V.243 Hydrogen bonds: A:G.123, A:T.124, A:N.127, A:E.213, A:Q.244, B:T.299, B:T.299, B:T.299, B:T.299 Water bridges: A:S.122, A:S.122, A:T.124, A:T.124, A:T.124, B:Y.300 Salt bridges: A:K.270, A:R.392 pi-Stacking: A:F.156 PXG.4: 17 residues within 4Å: Chain A: S.298, T.299 Chain B: I.66, S.122, G.123, T.124, N.127, F.156, H.157, G.158, E.208, E.213, D.241, V.243, Q.244, K.270, R.392 24 PLIP interactions: 21 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:I.66, B:I.66, B:F.156, B:E.208, B:V.243 Hydrogen bonds: B:S.122, B:G.123, B:T.124, B:T.124, B:Q.244, A:T.299, A:T.299 Water bridges: B:S.122, B:S.122, B:T.124, B:R.159, B:R.159, B:E.213, B:K.270, B:K.270, A:Y.300 Salt bridges: B:K.270, B:R.392 pi-Stacking: B:F.156

2 x ACT: ACETATE ION(Non-functional Binders)

ACT.2: 3 residues within 4Å: Chain A: K.148, D.182, I.184 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:I.184 Water bridges: A:K.148, A:K.148, A:K.148, A:K.148, A:K.148, A:K.148 Salt bridges: A:K.148 ACT.5: 2 residues within 4Å: Chain B: I.183, H.185 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:H.185 Salt bridges: B:H.185

2 x NA: SODIUM ION(Non-functional Binders)

NA.3: 4 residues within 4Å: Chain A: I.109, T.112, F.113, A.114 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:I.109 NA.6: 4 residues within 4Å: Chain B: I.109, T.112, F.113, A.114 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:T.112

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Bisht, S. et al., Conformational transitions, ligand specificity and catalysis in N-acetylornithine aminotransferase: Implications on drug designing and rational enzyme engineering in omega aminotransferases. To be Published

Release Date

2014-03-26

Peptides

Acetylornithine/succinyldiaminopimelate aminotransferase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Acetylornithine/succinyldiaminopimelate aminotransferase

Related Entries With Identical Sequence