SMTL ID : 2hg8.1

Crystal Structure of Cys315Ala mutant of human mitochondrial branched chain aminotransferase complexed with its substrate mimic, N-methyl leucine.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

homo-dimer

Ligands

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

PLP.1: 14 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 16 PLIP interactions: 16 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:T.240, A:R.271, A:R.271, A:T.313, A:T.313, A:T.313, A:A.314 Salt bridges: A:R.99, A:K.202 PLP.5: 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: MLE.3 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:R.99, B:N.242, B:R.271, B:T.313, B:T.313 Salt bridges: B:R.99, B:K.202

2 x MLE: N-METHYLLEUCINE(Non-covalent)

MLE.2: 5 residues within 4Å: Chain A: V.182, Q.224, M.241, A.315, C.318 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Q.224 MLE.3: 11 residues within 4Å: Chain A: Y.70, L.153, G.154, V.155 Chain B: F.30, F.75, Y.141, R.143, K.202, T.240 Ligands: PLP.5 7 PLIP interactions: 4 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:F.75, A:Y.70, A:V.155 Hydrogen bonds: B:T.240, B:T.240, A:V.155 Salt bridges: B:R.143

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

ACY.4: 2 residues within 4Å: Chain A: R.106, Y.201 1 PLIP interactions: 1 interactions with chain A Water bridges: A:N.200

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

Related Entries With Identical Sequence