SMTL ID : 2hdk.1

Crystal Structure of Cys315Ala-Cys318Ala Mutant of Human Mitochondrial Branched Chain Aminotransferase

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

homo-dimer

Ligands

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

PLP.1: 13 residues within 4Å: Chain A: R.99, K.202, Y.207, E.237, T.240, M.241, N.242, L.266, G.268, V.269, V.270, G.312, T.313 19 PLIP interactions: 19 interactions with chain A Hydrophobic interactions: A:K.202, A:L.266, A:L.266 Hydrogen bonds: A:K.202, A:Y.207, A:Y.207, A:V.269, A:V.270, A:T.313, A:T.313 Water bridges: A:R.99, A:R.99, A:R.99, A:R.99, A:N.242, A:R.271, A:A.314 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: COI.4 17 PLIP interactions: 17 interactions with chain B Hydrophobic interactions: B:K.202, B:L.266, B:L.266 Hydrogen bonds: B:K.202, B:Y.207, B:Y.207, B:V.269, B:V.270, B:T.313, B:T.313 Water bridges: B:R.99, B:R.99, B:R.99, B:R.99, B:N.242 Salt bridges: B:R.99, B:K.202

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

ACY.2: 2 residues within 4Å: Chain A: Y.141, T.240 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Y.141, A:T.240, A:T.240

1 x COI: 2-OXO-4-METHYLPENTANOIC ACID(Non-covalent)

COI.4: 10 residues within 4Å: Chain A: Y.70, V.155 Chain B: Y.141, R.143, T.240, M.241, G.312, T.313, A.314 Ligands: PLP.3 4 PLIP interactions: 3 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:T.240, B:T.313, B:A.314 Hydrophobic interactions: A:V.155

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