5mtw

X-ray diffraction
1.84Å resolution

Mycobacterium tuberculosis Rv1957 SecB-like chaperone in complex with a ChAD peptide from Rv1956 HigA1 antitoxin

Released:

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
Sequence domain:

Structure analysis Details

Assembly composition:
hetero heptamer (preferred)
PDBe Complex ID:
PDB-CPX-161149 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
SecB-like chaperone Rv1957 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 184 amino acids
Theoretical weight: 20.41 KDa
Source organism: Mycobacterium tuberculosis H37Rv
Expression system: Escherichia coli
UniProt:
  • Canonical: P95257 (Residues: 1-181; Coverage: 100%)
Gene names: Rv1957, secBL
Antitoxin HigA1 Chains: E, F, G
Molecule details ›
Chains: E, F, G
Length: 13 amino acids
Theoretical weight: 1.59 KDa
Source organism: Mycobacterium tuberculosis H37Rv
Expression system: Not provided
UniProt:
  • Canonical: P9WJA7 (Residues: 104-116; Coverage: 9%)
Gene names: Rv1956, higA, higA1

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID29
Spacegroup: P212121
Unit cell:
a: 86.86Å b: 89.96Å c: 91.34Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.214 0.212 0.265
Expression systems:
  • Escherichia coli
  • Not provided