3hug

X-ray diffraction
2.35Å resolution

Crystal structure of Mycobacterium tuberculosis anti-sigma factor RslA in complex with -35 promoter binding domain of sigL

Released:

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero tetramer (preferred)
hetero icosamer
PDBe Complex ID:
PDB-CPX-161480 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
ECF RNA polymerase sigma factor SigL Chains: A, C, E, G, I, K, M, O, Q, S
Molecule details ›
Chains: A, C, E, G, I, K, M, O, Q, S
Length: 92 amino acids
Theoretical weight: 10.25 KDa
Source organism: Mycobacterium tuberculosis H37Rv
Expression system: Escherichia coli
UniProt:
  • Canonical: P9WGH5 (Residues: 99-177; Coverage: 45%)
Gene names: Rv0735, sigL
Sequence domains: Sigma-70, region 4
Structure domains: Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
Anti-sigma-L factor RslA Chains: B, D, F, H, J, L, N, P, R, T
Molecule details ›
Chains: B, D, F, H, J, L, N, P, R, T
Length: 108 amino acids
Theoretical weight: 11.33 KDa
Source organism: Mycobacterium tuberculosis H37Rv
Expression system: Escherichia coli
UniProt:
  • Canonical: P9WJ67 (Residues: 1-108; Coverage: 43%)
Gene names: Rv0736, rslA
Sequence domains: Putative zinc-finger
Structure domains: Anti-sigma factor, zinc-finger domain

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM14
Spacegroup: P212121
Unit cell:
a: 83.07Å b: 166.77Å c: 178.87Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.213 0.211 0.26
Expression system: Escherichia coli