SMTL ID : 2hgx.1

Crystal structure of Cys315Ala mutant of human mitochondrial branched chain aminotransferase

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: ACY.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:R.99, 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: ACY.5 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:N.242, B:R.271, B:T.313, B:T.313, B:T.313, B:T.313 Salt bridges: B:R.99, B:K.202

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

ACY.2: 6 residues within 4Å: Chain A: F.30, F.75, R.143 Chain B: Y.70, V.155 Ligands: PLP.1 6 PLIP interactions: 4 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:Y.70, B:V.155, A:F.75 Hydrogen bonds: B:Y.70 Water bridges: B:V.155 Salt bridges: A:R.143 ACY.5: 5 residues within 4Å: Chain A: Y.70, V.155 Chain B: Y.141, R.143 Ligands: PLP.3 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:Y.70, A:V.155 Salt bridges: B:R.143, B:K.202 ACY.6: 4 residues within 4Å: Chain B: G.23, D.130, W.131, P.133 1 PLIP interactions: 1 interactions with chain B Hydrophobic interactions: B:P.133

1 x EPE: 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID(Non-functional Binders)

EPE.4: 7 residues within 4Å: Chain B: D.276, M.277, T.280, W.281, E.348, H.359, W.361 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:D.276, B:T.280, B:W.281 Water bridges: B:R.92, B:R.92

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Yennawar, N.H. et al., Human Mitochondrial Branched Chain Aminotransferase Isozyme: STRUCTURAL ROLE OF THE CXXC CENTER IN CATALYSIS. J.Biol.Chem. (2006)

Release Date

2006-10-24

Peptides

Branched-chain-amino-acid aminotransferase, mitochondrial: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Branched-chain-amino-acid aminotransferase, mitochondrial

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