SMTL ID : 4w97.1

Structure of ketosteroid transcriptional regulator KstR2 of Mycobacterium tuberculosis

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.60 Å

Oligo State

homo-dimer

Ligands

2 x UCA: S-[2-[3-[[(2R)-4-[[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-4-oxidanyl-3-phosphonooxy-oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-oxidanyl-phosphoryl]oxy-3,3-dimethyl-2-oxidanyl-butanoyl]amino]propanoylamino]ethyl] 3-[(3aS,4S,7aS)-7a-methyl-1,5-bis(oxidanylidene)-2,3,3a,4,6,7-hexahydroinden-4-yl]propanethioate(Non-covalent)

UCA.1: 21 residues within 4Å: Chain A: F.65, L.66, L.69, Y.108, Q.109, Q.113, N.128, Q.131, R.132, R.159, R.162, D.163, W.166 Chain B: V.167, R.170, W.171, Y.172, R.173, G.176, P.177, L.178 36 PLIP interactions: 12 interactions with chain B, 24 interactions with chain A Hydrophobic interactions: B:R.170, A:F.65, A:L.69, A:Y.108, A:N.128, A:Q.131, A:R.162, A:W.166, A:W.166, A:W.166, A:W.166 Hydrogen bonds: B:R.173, B:G.176, B:L.178, B:L.178, A:Q.109, A:N.128, A:Y.158, A:Y.158, A:D.163 Water bridges: B:R.173, B:R.173, B:R.173, B:R.173, B:R.173, B:R.173, A:Q.131, A:R.159, A:R.159, A:R.159, A:R.159, A:R.162 pi-Stacking: B:W.171 Salt bridges: A:R.132, A:R.162, A:R.162 UCA.6: 21 residues within 4Å: Chain A: V.167, R.170, W.171, Y.172, R.173, G.176, P.177, L.178 Chain B: F.65, L.66, L.69, Y.108, Q.109, Q.113, N.128, Q.131, R.132, R.159, R.162, D.163, W.166 36 PLIP interactions: 24 interactions with chain B, 12 interactions with chain A Hydrophobic interactions: B:F.65, B:L.69, B:Y.108, B:N.128, B:Q.131, B:R.162, B:W.166, B:W.166, B:W.166, B:W.166, A:R.170 Hydrogen bonds: B:Q.109, B:N.128, B:Y.158, B:D.163, A:R.173, A:G.176, A:L.178, A:L.178 Water bridges: B:Y.108, B:Q.131, B:R.159, B:R.159, B:R.159, B:R.159, B:R.162, A:R.173, A:R.173, A:R.173, A:R.173, A:R.173, A:R.173 Salt bridges: B:R.132, B:R.162, B:R.162 pi-Stacking: A:W.171

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

CL.2: 3 residues within 4Å: Chain A: Q.186 Chain B: L.152, D.153 Ligand excluded by PLIP CL.3: 2 residues within 4Å: Chain A: T.179, Q.181 Ligand excluded by PLIP CL.4: 2 residues within 4Å: Chain A: R.127, Q.130 Ligand excluded by PLIP CL.5: 3 residues within 4Å: Chain A: A.5, G.6, W.68 Ligand excluded by PLIP CL.7: 3 residues within 4Å: Chain A: L.152, D.153 Chain B: Q.186 Ligand excluded by PLIP CL.8: 2 residues within 4Å: Chain B: T.179, Q.181 Ligand excluded by PLIP CL.9: 2 residues within 4Å: Chain B: R.127, Q.130 Ligand excluded by PLIP CL.10: 3 residues within 4Å: Chain B: A.5, G.6, W.68 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Crowe, A.M. et al., Structural and Functional Characterization of a Ketosteroid Transcriptional Regulator of Mycobacterium tuberculosis. J.Biol.Chem. (2015)

Release Date

2014-11-26

Peptides

HTH-type transcriptional repressor KstR2: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

HTH-type transcriptional repressor KstR2