SMTL ID : 7lnm.1 (2 other biounits)

Ornithine Aminotransferase (OAT) cocrystallized with its inactivator - (1S,3S)-3-amino-4-(difluoromethylene)cyclopentene-1-carboxylic acid

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-dimer

Ligands

2 x Y7S: (1~{R},3~{S},4~{R})-3-methyl-4-[[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylamino]cyclopentane-1-carboxylic acid(Covalent)

Y7S.1: 15 residues within 4Å: Chain A: Y.20, Y.50, T.106, G.107, V.108, F.142, W.143, G.144, E.195, D.228, I.230, Q.231, K.257 Chain B: S.286, T.287 15 PLIP interactions: 10 interactions with chain A, 5 interactions with chain B Hydrophobic interactions: A:Y.50, A:Y.50, A:Y.50, A:F.142, A:K.257, B:T.287 Hydrogen bonds: A:Y.20, A:G.107, A:V.108, A:Q.231, B:T.287, B:T.287, B:T.287 Salt bridges: A:K.257 Water bridges: B:Y.288 Y7S.2: 14 residues within 4Å: Chain A: T.287 Chain B: 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 18 PLIP interactions: 15 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:Y.50, B:Y.50, B:Y.50, B:F.142, B:F.142, B:E.195, B:K.257, A:T.287 Hydrogen bonds: B:G.107, B:V.108, B:E.200, B:Q.231, B:K.257, A:T.287 Water bridges: B:T.106, B:T.106, A:G.285 Salt bridges: B:K.257

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zhu, W. et al., Remarkable and Unexpected Mechanism for ( S )-3-Amino-4-(difluoromethylenyl)cyclohex-1-ene-1-carboxylic Acid as a Selective Inactivator of Human Ornithine Aminotransferase. J.Am.Chem.Soc. (2021)

Release Date

2021-08-25

Peptides

Ornithine aminotransferase, mitochondrial: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
C

Ornithine aminotransferase, mitochondrial

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