3lvk

X-ray diffraction
2.44Å resolution

Crystal Structure of E.coli IscS-TusA complex (form 2)

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-141292 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Cysteine desulfurase IscS Chain: A
Molecule details ›
Chain: A
Length: 423 amino acids
Theoretical weight: 47.33 KDa
Source organism: Escherichia coli O157:H7 str. EDL933
Expression system: Escherichia coli
UniProt:
  • Canonical: P0A6B9 (Residues: 1-404; Coverage: 100%)
Gene names: ECs3396, Z3797, iscS
Sequence domains: Aminotransferase class-V
Structure domains:
Sulfur carrier protein TusA Chain: B
Molecule details ›
Chain: B
Length: 82 amino acids
Theoretical weight: 9.12 KDa
Source organism: Escherichia coli O157:H7 str. EDL933
Expression system: Escherichia coli
UniProt:
  • Canonical: P0A892 (Residues: 2-81; Coverage: 99%)
Gene names: ECs4319, Z4844, tusA
Sequence domains: Sulfurtransferase TusA
Structure domains: TusA-like domain

Ligands and Environments


Cofactor: Ligand PLP 1 x PLP
No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 31-ID
Spacegroup: C2221
Unit cell:
a: 72.893Å b: 131.407Å c: 106.411Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.209 0.207 0.249
Expression system: Escherichia coli