SMTL ID : 3hps.1

Crystal structure of Mycobacterium tuberculosis LeuA complexed with ketoisocaproate (KIC)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

homo-dimer

Ligands

2 x LEU: LEUCINE(Non-covalent)

LEU.1: 14 residues within 4Å: Chain A: G.562, D.563, D.564, A.565, Q.566, A.567, P.625, S.626, I.627 Chain B: N.532, G.533, P.534, L.535, A.536 8 PLIP interactions: 4 interactions with chain A, 1 Ligand-Ligand interactions, 3 interactions with chain B Hydrophobic interactions: A:A.567, B:L.535 Hydrogen bonds: A:D.563, A:A.565, A:I.627, L.1, B:L.535, B:A.536 LEU.5: 15 residues within 4Å: Chain A: N.532, G.533, P.534, L.535, A.536, Y.554 Chain B: G.562, D.563, D.564, A.565, Q.566, A.567, P.625, S.626, I.627 10 PLIP interactions: 5 interactions with chain B, 4 interactions with chain A, 1 Ligand-Ligand interactions Hydrophobic interactions: B:A.567, B:I.627, A:L.535, A:Y.554 Hydrogen bonds: B:D.563, B:A.565, B:I.627, A:L.535, A:A.536, L.5

2 x ZN: ZINC ION(Non-covalent)

ZN.2: 5 residues within 4Å: Chain A: D.81, H.285, H.287, N.321 Ligands: COI.3 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.81, A:H.285, A:H.287, H2O.8 ZN.6: 5 residues within 4Å: Chain B: D.81, H.285, H.287, N.321 Ligands: COI.7 4 PLIP interactions: 3 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.81, B:H.285, B:H.287, H2O.36

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

COI.3: 13 residues within 4Å: Chain A: R.80, D.81, L.143, H.167, Y.169, S.216, E.218, N.250, P.252, T.254, H.285, H.287 Ligands: ZN.2 7 PLIP interactions: 6 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:L.143, A:Y.169 Hydrogen bonds: A:R.80, A:R.80 Salt bridges: A:H.285, A:H.287 Water bridges: B:Y.410 COI.7: 13 residues within 4Å: Chain B: R.80, D.81, L.143, H.167, Y.169, S.216, E.218, N.250, P.252, T.254, H.285, H.287 Ligands: ZN.6 6 PLIP interactions: 6 interactions with chain B Hydrophobic interactions: B:L.143, B:Y.169 Hydrogen bonds: B:R.80, B:R.80 Salt bridges: B:H.285, B:H.287

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.4: 10 residues within 4Å: Chain A: F.313, G.314, N.315, V.352, N.356, L.358, P.359, V.360 Chain B: H.361, R.363 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:H.361, B:R.363, A:N.356 GOL.8: 10 residues within 4Å: Chain A: H.361, R.363 Chain B: F.313, G.314, N.315, V.352, N.356, L.358, P.359, V.360 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:H.361, A:R.363, B:N.356

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Koon, N. et al., Probing the active site of M. tuberculosis LeuA. To be Published

Release Date

2010-05-19

Peptides

2-isopropylmalate synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

2-isopropylmalate synthase

Related Entries With Identical Sequence