SMTL ID : 1kt8.1

HUMAN BRANCHED CHAIN AMINO ACID AMINOTRANSFERASE (MITOCHONDRIAL): THREE DIMENSIONAL STRUCTURE OF ENZYME IN ITS KETIMINE FORM WITH THE SUBSTRATE L-ISOLEUCINE

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-dimer

Ligands

2 x ILP: N-[O-PHOSPHONO-PYRIDOXYL]-ISOLEUCINE(Non-covalent)

ILP.1: 18 residues within 4Å: Chain A: F.75, G.77, R.99, Y.141, 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 15 PLIP interactions: 15 interactions with chain A Hydrophobic interactions: A:F.75, A:Y.207 Hydrogen bonds: A:R.99, A:Y.141, A:K.202, A:Y.207, A:V.269, A:V.270, A:T.313, A:T.313, A:T.313 Water bridges: A:N.242, A:R.271 Salt bridges: A:R.99, A:K.202 ILP.5: 22 residues within 4Å: Chain A: Y.70, L.153, V.155 Chain B: F.75, G.77, R.99, Y.141, R.143, 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 21 PLIP interactions: 19 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:F.75, B:T.240, A:Y.70, A:V.155 Hydrogen bonds: B:K.202, B:Y.207, B:Y.207, B:V.269, B:V.270, B:T.313, B:T.313, B:T.313, B:A.314 Water bridges: B:R.99, B:R.99, B:R.99, B:R.99, B:N.242, B:R.271 Salt bridges: B:R.99, B:K.202

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

ACY.2: 4 residues within 4Å: Chain A: R.102, N.200, L.261, P.267 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:L.261, A:P.267 Water bridges: A:G.263 Salt bridges: A:R.102 ACY.3: 2 residues within 4Å: Chain A: W.94 Ligands: ACY.4 No protein-ligand interaction detected (PLIP) ACY.4: 5 residues within 4Å: Chain A: R.92, W.94, E.360, W.361 Ligands: ACY.3 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:W.94 Salt bridges: A:R.92 ACY.6: 4 residues within 4Å: Chain B: M.40, E.42, T.60, L.162 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:L.162 Hydrogen bonds: B:E.42, B:T.60 ACY.7: 5 residues within 4Å: Chain B: D.276, M.277, T.280, H.359, W.361 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:D.276 Salt bridges: B:H.359 ACY.8: 3 residues within 4Å: Chain B: R.92, W.94, L.95 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:W.94, B:L.95 Salt bridges: B:R.92

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.9: 4 residues within 4Å: Chain A: R.106 Chain B: F.190, L.212, V.213 3 PLIP interactions: 1 interactions with chain A, 2 interactions with chain B Water bridges: A:R.106 Hydrogen bonds: B:E.216, B:E.216

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Yennawar, N.H. et al., Crystal structures of human mitochondrial branched chain aminotransferase reaction intermediates: ketimine and pyridoxamine phosphate forms. Biochemistry (2002)

Release Date

2002-11-20

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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