X-ray diffraction
1.85Å resolution

N-terminal domain of stress-induced protein-1 (STI-1) from C.elegans

Source organism: Caenorhabditis elegans
Entry authors: Osipiuk J, Bigelow L, Gu M, Van Oosten-Hawle P, Morimoto RI, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Stress-induced-phosphoprotein 1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 127 amino acids
Theoretical weight: 14.59 KDa
Source organism: Caenorhabditis elegans
Expression system: Escherichia coli BL21(DE3)
  • Canonical: O16259 (Residues: 1-124; Coverage: 39%)
Gene names: R09E12.3, sti-1
Sequence domains:
Structure domains: Tetratricopeptide repeat domain

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P212121
Unit cell:
a: 37.212Å b: 64.199Å c: 124.933Å
α: 90° β: 90° γ: 90°
R R work R free
0.18 0.178 0.233
Expression system: Escherichia coli BL21(DE3)