SMTL ID : 2a1h.1

X-ray crystal structure of human mitochondrial branched chain aminotransferase (BCATm) complexed with gabapentin

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

homo-dimer

Ligands

2 x PLP: PYRIDOXAL-5'-PHOSPHATE(Covalent)

PLP.1: 15 residues within 4Å: Chain A: R.99, R.192, K.202, Y.207, E.237, T.240, M.241, N.242, L.266, G.268, V.269, V.270, G.312, T.313 Ligands: GBN.2 14 PLIP interactions: 14 interactions with chain A Hydrophobic interactions: A:K.202, A:L.266 Hydrogen bonds: A:Y.207, A:V.269, A:V.270, A:T.313 Water bridges: A:G.77, A:R.99, A:R.271, A:S.311, A:T.313, A:T.313 Salt bridges: A:R.99, A:K.202 PLP.3: 15 residues within 4Å: Chain B: R.99, R.192, K.202, Y.207, E.237, T.240, M.241, N.242, L.266, G.268, V.269, V.270, G.312, T.313 Ligands: GBN.4 15 PLIP interactions: 15 interactions with chain B Hydrophobic interactions: B:K.202, B:L.266, B:L.266 Hydrogen bonds: B:Y.207, B:V.269, B:V.270, B:T.313 Water bridges: B:G.77, B:N.242, B:R.271, B:T.313, B:T.313, B:T.313 Salt bridges: B:R.99, B:K.202

2 x GBN: [1-(AMINOMETHYL)CYCLOHEXYL]ACETIC ACID(Non-covalent)

GBN.2: 11 residues within 4Å: Chain A: F.30, F.75, Y.141, R.143, T.240, G.312, T.313, A.314 Chain B: Y.70, V.155 Ligands: PLP.1 9 PLIP interactions: 7 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:F.30, A:F.75, B:Y.70, B:V.155 Hydrogen bonds: A:T.240, A:T.240, A:T.313, A:A.314 Water bridges: A:T.240 GBN.4: 9 residues within 4Å: Chain A: Y.70, V.155 Chain B: Y.141, R.143, T.240, G.312, T.313, A.314 Ligands: PLP.3 6 PLIP interactions: 2 interactions with chain A, 4 interactions with chain B Hydrophobic interactions: A:Y.70, A:V.155 Hydrogen bonds: B:T.240, B:T.240, B:T.313, B:A.314

1 x ACY: ACETIC ACID(Non-functional Binders)

ACY.5: 4 residues within 4Å: Chain B: M.40, L.59, T.60, L.162 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:T.60 Water bridges: B:N.149

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Goto, M. et al., Structural determinants for branched-chain aminotransferase isozyme-specific inhibition by the anticonvulsant drug gabapentin. J.Biol.Chem. (2005)

Release Date

2005-09-06

Peptides

branched chain aminotransferase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

branched chain aminotransferase

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