SMTL ID : 1kta.1

HUMAN BRANCHED CHAIN AMINO ACID AMINOTRANSFERASE : THREE DIMENSIONAL STRUCTURE OF THE ENZYME IN ITS PYRIDOXAMINE PHOSPHATE FORM.

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-dimer

Ligands

2 x PMP: 4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATE(Non-covalent)

PMP.1: 17 residues within 4Å: Chain A: R.99, R.192, K.202, Y.207, E.237, G.239, T.240, M.241, N.242, L.266, G.268, V.269, V.270, S.311, G.312, T.313 Ligands: KIV.5 15 PLIP interactions: 15 interactions with chain A Hydrophobic interactions: A:L.266 Hydrogen bonds: A:K.202, A:K.202, 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 Salt bridges: A:R.99 PMP.6: 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, S.311, G.312, T.313 16 PLIP interactions: 16 interactions with chain B Hydrophobic interactions: B:L.266 Hydrogen bonds: B:K.202, B:K.202, B:Y.207, B:Y.207, B:V.269, B:V.270, B:T.313, B:T.313 Water bridges: B:G.77, B:R.99, B:R.99, B:R.99, B:N.242, B:R.271 Salt bridges: B:R.99

7 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: R.92, W.94 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:W.94 Salt bridges: A:R.92 ACY.4: 4 residues within 4Å: Chain A: R.102, M.105, R.106, Y.201 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:R.102 ACY.7: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) ACY.8: 3 residues within 4Å: Chain B: G.338, E.340, L.343 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:E.340, B:L.343 ACY.9: 2 residues within 4Å: Chain B: K.347, E.351 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:R.357 Salt bridges: B:K.347 ACY.10: 5 residues within 4Å: Chain B: G.196, G.197, N.200, Y.201, G.263 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:G.196, B:N.200, B:N.200 Water bridges: B:G.197, B:Y.201

1 x KIV: 3-METHYL-2-OXOBUTANOIC ACID(Non-covalent)

KIV.5: 8 residues within 4Å: Chain A: F.75, Y.141, K.202, Y.207, T.240 Chain B: Y.70, V.155 Ligands: PMP.1 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:Y.141, A:Y.207, B:Y.70 Salt bridges: A:K.202 Hydrophobic interactions: B:V.155

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.11: 6 residues within 4Å: Chain B: D.276, M.277, T.280, E.348, H.359, W.361 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:E.348, B:E.348

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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