1nkt

X-ray diffraction
2.6Å resolution

CRYSTAL STRUCTURE OF THE SECA PROTEIN TRANSLOCATION ATPASE FROM MYCOBACTERIUM TUBERCULOSIS COMPLEX WITH ADPBS

Released:

Function and Biology Details

Structure analysis Details

Assemblies composition:
homo dimer (preferred)
homo tetramer
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Protein translocase subunit SecA 1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 922 amino acids
Theoretical weight: 103.46 KDa
Source organism: Mycobacterium tuberculosis
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P9WGP5 (Residues: 2-892; Coverage: 94%)
Gene names: MTCY20B11.15c, Rv3240c, secA1
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID, APS BEAMLINE 14-BM-D
Spacegroup: P6222
Unit cell:
a: 206.05Å b: 206.05Å c: 292.857Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.216 0.213 0.265
Expression system: Escherichia coli BL21(DE3)