SMTL ID : 4jf1.1

R144Q mutant of N-acetylornithine aminotransferase

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.28 Å

Oligo State

homo-dimer

Ligands

2 x PLP: PYRIDOXAL-5'-PHOSPHATE(Non-covalent)

PLP.1: 13 residues within 4Å: Chain A: S.122, G.123, T.124, N.127, F.156, H.157, G.158, E.208, D.241, V.243, Q.244, K.270 Chain B: T.299 19 PLIP interactions: 14 interactions with chain A, 5 interactions with chain B Hydrophobic interactions: A:F.156, A:E.208, A:V.243 Hydrogen bonds: A:G.123, A:T.124, A:T.124, A:N.127, A:Q.244, B:T.299, B:T.299, B:T.299 Water bridges: A:S.122, A:T.124, A:T.124, A:T.124, A:F.156, B:N.121, B:Y.300 pi-Stacking: A:F.156 PLP.7: 12 residues within 4Å: Chain B: S.122, G.123, T.124, N.127, F.156, H.157, G.158, E.208, D.241, V.243, Q.244, K.270 16 PLIP interactions: 16 interactions with chain B Hydrophobic interactions: B:F.156, B:E.208, B:V.243 Hydrogen bonds: B:G.123, B:T.124, B:T.124, B:T.124, B:N.127, B:Q.244 Water bridges: B:S.122, B:Q.159, B:E.208, B:K.270, B:K.270, B:K.270 pi-Stacking: B:F.156

5 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.2: 7 residues within 4Å: Chain A: G.72, H.73, C.74, H.75, L.78, G.274 Chain B: W.90 3 PLIP interactions: 1 interactions with chain B, 2 interactions with chain A Water bridges: B:W.90 Hydrogen bonds: A:C.74, A:H.75 EDO.3: 9 residues within 4Å: Chain A: H.91, T.92, S.93, F.96 Chain B: D.61, G.65, H.73, M.382 Ligands: ACT.4 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:G.65, B:H.73, A:S.93, A:S.93 EDO.5: 6 residues within 4Å: Chain A: Q.338, D.341, F.347, S.348, D.349, I.350 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:D.341, A:I.350 EDO.8: 7 residues within 4Å: Chain A: W.90 Chain B: G.72, H.73, C.74, H.75, L.78, G.274 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:C.74, B:H.75 Water bridges: A:W.90 EDO.10: 9 residues within 4Å: Chain A: D.61, G.65, H.73, M.382 Chain B: H.91, T.92, S.93, F.96 Ligands: ACT.9 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:G.65, A:H.73 Water bridges: A:T.69

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

ACT.4: 8 residues within 4Å: Chain A: S.93, V.95, F.96 Chain B: A.63, G.65, M.382, L.384 Ligands: EDO.3 6 PLIP interactions: 4 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:V.95, A:F.96, B:L.384 Hydrogen bonds: A:S.93, A:S.93, B:G.65 ACT.6: 3 residues within 4Å: Chain A: I.183, I.184, H.185 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:H.185 Salt bridges: A:H.185 ACT.9: 8 residues within 4Å: Chain A: A.63, G.65, L.384 Chain B: T.92, S.93, V.95, F.96 Ligands: EDO.10 5 PLIP interactions: 3 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:V.95, B:F.96, A:L.384 Hydrogen bonds: B:S.93, A:G.65 ACT.11: 3 residues within 4Å: Chain B: I.183, I.184, H.185 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:H.185 Salt bridges: B:H.185

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