SMTL ID : 1gbn.4 (3 other biounits)

HUMAN ORNITHINE AMINOTRANSFERASE COMPLEXED WITH THE NEUROTOXIN GABACULINE

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

homo-tetramer

Ligands

3 x GBC: GABACULINE(Non-covalent)

GBC.1: 11 residues within 4Å: Chain A: Y.18, Y.48, F.140, R.143, E.198, Q.229, K.255 Chain D: G.283, S.284, T.285 Ligands: PLP.2 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:E.198 Hydrogen bonds: A:Y.18, A:Q.229, A:K.255 Water bridges: A:R.143 pi-Stacking: A:Y.48, A:F.140 GBC.5: 11 residues within 4Å: Chain B: G.283, S.284, T.285 Chain C: Y.18, Y.48, F.140, R.143, E.198, Q.229, K.255 Ligands: PLP.6 7 PLIP interactions: 6 interactions with chain C, 1 interactions with chain B Hydrophobic interactions: C:E.198 Hydrogen bonds: C:Y.18, C:Q.229, C:K.255, B:S.284 pi-Stacking: C:Y.48, C:F.140 GBC.7: 11 residues within 4Å: Chain A: G.283, S.284, T.285 Chain D: Y.18, Y.48, F.140, R.143, E.198, Q.229, K.255 Ligands: PLP.8 7 PLIP interactions: 7 interactions with chain D Hydrophobic interactions: D:E.198 Hydrogen bonds: D:Y.18, D:Q.229, D:K.255 Water bridges: D:R.143 pi-Stacking: D:Y.48, D:F.140

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

PLP.2: 14 residues within 4Å: Chain A: T.104, G.105, V.106, F.140, W.141, G.142, E.193, D.226, I.228, Q.229, K.255 Chain D: S.284, T.285 Ligands: GBC.1 13 PLIP interactions: 7 interactions with chain A, 6 interactions with chain D Hydrophobic interactions: A:F.140 Hydrogen bonds: A:G.105, A:V.106, A:Q.229, D:T.285, D:T.285 Water bridges: A:F.140, A:E.193, D:N.103, D:G.283, D:S.284, D:Y.286 Salt bridges: A:K.255 PLP.4: 14 residues within 4Å: Chain B: T.104, G.105, V.106, F.140, W.141, G.142, E.193, D.226, I.228, Q.229, K.255 Chain C: S.284, T.285 Ligands: GAB.3 11 PLIP interactions: 4 interactions with chain C, 7 interactions with chain B Hydrogen bonds: C:T.285, C:T.285, B:G.105, B:V.106, B:Q.229 Water bridges: C:N.103, C:Y.286, B:E.193, B:E.198 Hydrophobic interactions: B:F.140 Salt bridges: B:K.255 PLP.6: 14 residues within 4Å: Chain B: S.284, T.285 Chain C: T.104, G.105, V.106, F.140, W.141, G.142, E.193, D.226, I.228, Q.229, K.255 Ligands: GBC.5 11 PLIP interactions: 7 interactions with chain C, 4 interactions with chain B Hydrophobic interactions: C:F.140 Hydrogen bonds: C:G.105, C:V.106, C:Q.229, B:T.285, B:T.285 Water bridges: C:F.140, C:E.193, B:N.103, B:Y.286 Salt bridges: C:K.255 PLP.8: 14 residues within 4Å: Chain A: S.284, T.285 Chain D: T.104, G.105, V.106, F.140, W.141, G.142, E.193, D.226, I.228, Q.229, K.255 Ligands: GBC.7 13 PLIP interactions: 6 interactions with chain A, 7 interactions with chain D Hydrogen bonds: A:T.285, A:T.285, D:G.105, D:V.106, D:Q.229 Water bridges: A:N.103, A:G.283, A:S.284, A:Y.286, D:F.140, D:E.193 Hydrophobic interactions: D:F.140 Salt bridges: D:K.255

1 x GAB: 3-AMINOBENZOIC ACID(Non-covalent)

GAB.3: 11 residues within 4Å: Chain B: Y.18, Y.48, F.140, R.143, E.198, Q.229, K.255 Chain C: G.283, S.284, T.285 Ligands: PLP.4 9 PLIP interactions: 2 interactions with chain C, 7 interactions with chain B Hydrogen bonds: C:S.284, B:Y.18, B:Q.229, B:K.255 Water bridges: C:S.284, B:Y.18 Hydrophobic interactions: B:E.198 pi-Stacking: B:Y.48, B:F.140

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Shah, S.A. et al., Human ornithine aminotransferase complexed with L-canaline and gabaculine: structural basis for substrate recognition. Structure (1997)

Release Date

1998-06-03

Peptides

ORNITHINE AMINOTRANSFERASE: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
A

C
B

D
C

ORNITHINE AMINOTRANSFERASE

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