SMTL ID : 3hq1.1

Crystal structure of Mycobacterium tuberculosis LeuA complexed with citrate and Mn2+

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

homo-dimer

Ligands

2 x MN: MANGANESE (II) ION(Non-covalent)

MN.1: 4 residues within 4Å: Chain A: D.81, H.285, H.287, N.321 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.81, A:H.285, A:H.287, H2O.13 MN.5: 5 residues within 4Å: Chain B: D.81, H.285, H.287, N.321 Ligands: FLC.6 4 PLIP interactions: 3 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.81, B:H.285, B:H.287, H2O.27

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.2: 7 residues within 4Å: Chain A: G.533, P.534, L.535, A.536 Chain B: S.626, I.627 Ligands: GOL.8 Ligand excluded by PLIP CL.3: 4 residues within 4Å: Chain A: I.627 Chain B: G.533, P.534, L.535 Ligand excluded by PLIP

3 x GOL: GLYCEROL(Non-functional Binders)

GOL.4: 8 residues within 4Å: Chain A: F.313, N.315, V.352, N.356, L.358, P.359 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.7: 8 residues within 4Å: Chain A: H.361, R.363 Chain B: F.313, N.315, V.352, N.356, L.358, P.359 3 PLIP interactions: 1 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:N.356, A:H.361, A:R.363 GOL.8: 8 residues within 4Å: Chain A: L.535 Chain B: A.558, A.565, Q.566, A.567, P.625, I.627 Ligands: CL.2 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:A.624 Water bridges: B:P.625

1 x FLC: CITRATE ANION(Non-covalent)

FLC.6: 12 residues within 4Å: Chain A: H.379 Chain B: R.80, D.81, H.167, S.216, E.218, N.250, P.252, T.254, H.285, H.287 Ligands: MN.5 12 PLIP interactions: 11 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:E.218 Hydrogen bonds: B:R.80, B:S.216, B:N.250 Water bridges: B:D.81, B:H.167 Salt bridges: B:R.80, B:H.167, B:H.285, B:H.285, B:H.287, A:H.379

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

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