SMTL ID : 4ypo.1

Crystal structure of Mycobacterium tuberculosis ketol-acid reductoisomerase in complex with Mg2+

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.00 Å

Oligo State

homo-dimer

Ligands

13 x MG: MAGNESIUM ION(Non-covalent)(Non-functional Binders)

MG.1: 2 residues within 4Å: Chain A: D.188, E.192 6 PLIP interactions: 2 interactions with chain A, 4 Ligand-Water interactions Metal complexes: A:D.188, A:E.192, H2O.3, H2O.9, H2O.10, H2O.27 MG.2: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) MG.3: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) MG.4: 3 residues within 4Å: Chain A: K.16, W.70, K.96 No protein-ligand interaction detected (PLIP) MG.6: 5 residues within 4Å: Chain A: E.224, E.228 Chain B: D.188, E.192, L.196 6 PLIP interactions: 1 interactions with chain B, 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: B:D.188, A:E.224, A:E.228, H2O.2, H2O.7, H2O.23 MG.7: 2 residues within 4Å: Chain A: Y.246, D.250 6 PLIP interactions: 1 interactions with chain A, 5 Ligand-Water interactions Metal complexes: A:D.250, H2O.1, H2O.2, H2O.4, H2O.12, H2O.24 MG.8: 2 residues within 4Å: Chain A: R.51, D.62 5 PLIP interactions: 1 interactions with chain A, 4 Ligand-Water interactions Metal complexes: A:D.62, H2O.1, H2O.1, H2O.4, H2O.10 MG.10: 5 residues within 4Å: Chain A: D.188, E.192, L.196 Chain B: E.224, E.228 6 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: B:E.224, B:E.228, A:D.188, H2O.3, H2O.20, H2O.26 MG.11: 1 residues within 4Å: Chain B: P.154 No protein-ligand interaction detected (PLIP) MG.12: 3 residues within 4Å: Chain A: S.249 Chain B: D.188, E.192 6 PLIP interactions: 2 interactions with chain B, 4 Ligand-Water interactions Metal complexes: B:D.188, B:E.192, H2O.22, H2O.28, H2O.28, H2O.29 MG.13: 2 residues within 4Å: Chain B: D.60, V.61 3 PLIP interactions: 1 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:D.60, H2O.21, H2O.31 MG.14: 1 residues within 4Å: Chain B: G.282 No protein-ligand interaction detected (PLIP) MG.15: 1 residues within 4Å: Chain B: L.95 No protein-ligand interaction detected (PLIP)

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

CL.5: 4 residues within 4Å: Chain A: S.24, Q.25, P.130, G.131 Ligand excluded by PLIP CL.9: 5 residues within 4Å: Chain A: S.323 Chain B: K.142, G.143, R.173, A.174 Ligand excluded by PLIP

1 x NA: SODIUM ION(Non-functional Binders)

NA.16: 8 residues within 4Å: Chain B: A.68, K.69, A.71, D.72, N.94, L.95, K.96, D.99 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:K.96, B:D.99

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lv, Y. et al., Crystal structure of Mycobacterium tuberculosis ketol-acid reductoisomerase at 1.0 angstrom resolution - a potential target for anti-tuberculosis drug discovery. Febs J. (2016)

Release Date

2016-02-17

Peptides

Ketol-acid reductoisomerase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Ketol-acid reductoisomerase