SMTL ID : 2hgw.1

Crystal structure of Cys318Ala mutant of human mitochondrial branched chain aminotransferase

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.98 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.5 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:N.242, A:R.271, A:T.313, A:T.313, A:T.313 Salt bridges: A:R.99, A:K.202 PLP.13: 16 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, S.311, G.312, T.313 Ligands: SO4.12 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:S.311, B:T.313, B:T.313, B:T.313 Salt bridges: B:R.99, B:K.202

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

EPE.2: 3 residues within 4Å: Chain A: D.327, R.328, N.329 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.329, A:N.329 Salt bridges: A:D.327

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

ACY.3: 5 residues within 4Å: Chain A: T.60, L.61, H.62, N.149, R.160 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:H.62, A:N.149 Salt bridges: A:R.160 ACY.4: 3 residues within 4Å: Chain A: R.289, T.290, Q.295 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.289, A:Q.295 ACY.5: 6 residues within 4Å: Chain A: T.240, G.312, T.313, A.314 Ligands: PLP.1, ACY.14 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:A.314 Hydrogen bonds: A:T.240, A:T.313, A:A.314 Salt bridges: A:K.202 ACY.6: 6 residues within 4Å: Chain A: T.15, K.17, H.19, D.36, P.55, F.56 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:H.19, A:D.36, A:F.56 Salt bridges: A:H.19 ACY.7: 4 residues within 4Å: Chain A: M.40, E.42, T.60, N.149 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:T.60, A:N.149 ACY.8: 7 residues within 4Å: Chain A: T.210, Q.214, Q.224, W.227, G.239, T.240 Chain B: V.155 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:W.227 Hydrogen bonds: A:T.210, A:Q.224 ACY.9: 5 residues within 4Å: Chain A: L.95, R.99, R.102, P.267, G.268 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:L.95 Salt bridges: A:R.99, A:R.102 ACY.10: 5 residues within 4Å: Chain A: R.220, G.221, R.322, L.324, N.329 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.220 Salt bridges: A:R.322 ACY.14: 7 residues within 4Å: Chain A: F.30, R.143, T.240 Chain B: Y.70, L.153, V.155 Ligands: ACY.5 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.143, A:T.240, A:T.240 ACY.15: 4 residues within 4Å: Chain B: L.95, R.99, R.102, P.267 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:L.95 Hydrogen bonds: B:P.267 Salt bridges: B:R.102

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.11: 5 residues within 4Å: Chain A: E.42, W.43, N.44, G.47, G.49 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:N.44, A:N.44 Water bridges: A:N.44, A:N.44

1 x SO4: SULFATE ION(Non-functional Binders)

SO4.12: 7 residues within 4Å: Chain B: T.240, M.241, G.312, T.313, A.314, C.315 Ligands: PLP.13 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:T.240, B:G.312, B:T.313, B:A.314, B:C.315

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