SMTL ID : 7lk0.3 (2 other biounits)

Ornithine Aminotransferase (OAT) cocrystallized with its potent inhibitor - (S)-3-amino-4,4-difluorocyclopent-1-enecarboxylic acid (SS-1-148)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.96 Å

Oligo State

homo-dimer

Ligands

2 x Y3D: (1R,3S)-3-[(E)-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)amino]-4-oxocyclopentane-1-carboxylic acid(Non-covalent)

Y3D.1: 17 residues within 4Å: Chain A: Y.20, Y.50, T.106, G.107, V.108, F.142, W.143, G.144, E.195, E.200, D.228, I.230, Q.231, K.257 Chain B: G.285, S.286, T.287 16 PLIP interactions: 10 interactions with chain A, 6 interactions with chain B Hydrophobic interactions: A:Y.50, A:F.142 Hydrogen bonds: A:G.107, A:V.108, A:Q.231, A:K.257, B:S.286, B:T.287, B:T.287, B:T.287 Water bridges: A:T.106, A:T.106, A:F.142, B:G.285, B:Y.288 Salt bridges: A:K.257 Y3D.2: 17 residues within 4Å: Chain A: G.285, S.286, T.287 Chain B: Y.20, Y.50, T.106, G.107, V.108, F.142, W.143, G.144, E.195, E.200, D.228, I.230, Q.231, K.257 15 PLIP interactions: 9 interactions with chain B, 6 interactions with chain A Hydrophobic interactions: B:Y.50, B:F.142 Hydrogen bonds: B:Y.20, B:G.107, B:V.108, B:Q.231, B:K.257, A:S.286, A:T.287, A:T.287, A:T.287 Water bridges: B:F.142, A:G.285, A:Y.288 Salt bridges: B:K.257

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Shen, S. et al., Turnover and Inactivation Mechanisms for ( S )-3-Amino-4,4-difluorocyclopent-1-enecarboxylic Acid, a Selective Mechanism-Based Inactivator of Human Ornithine Aminotransferase. J.Am.Chem.Soc. (2021)

Release Date

2022-02-16

Peptides

Ornithine aminotransferase, mitochondrial: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
C

Ornithine aminotransferase, mitochondrial

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