2qmt

X-ray diffraction
1.05Å resolution

Crystal Polymorphism of Protein GB1 Examined by Solid-state NMR and X-ray Diffraction

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Immunoglobulin G-binding protein G Chain: A
Molecule details ›
Chain: A
Length: 56 amino acids
Theoretical weight: 6.23 KDa
Source organism: Staphylococcus aureus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P19909 (Residues: 303-357; Coverage: 10%)
Gene name: spg
Sequence domains: B domain
Structure domains: Ubiquitin-like (UB roll)

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X12C
Spacegroup: P3221
Unit cell:
a: 35.73Å b: 35.73Å c: 75.6Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.186 0.182 0.207
Expression system: Escherichia coli BL21(DE3)