› 1pgx

X-ray diffraction
1.66Å resolution

THE 1.66 ANGSTROMS X-RAY STRUCTURE OF THE B2 IMMUNOGLOBULIN-BINDING DOMAIN OF STREPTOCOCCAL PROTEIN G AND COMPARISON TO THE NMR STRUCTURE OF THE B1 DOMAIN

Released:
DOI: 10.2210/pdb1pgx/pdb
PDB entry 1pgx coloured by chain, front view.
PDB entry 1pgx coloured by chain, side view.
PDB entry 1pgx coloured by chain, top view.
Source organism: Streptococcus
Primary publication:
1.67-A X-ray structure of the B2 immunoglobulin-binding domain of streptococcal protein G and comparison to the NMR structure of the B1 domain.
Achari A, Hale SP, Howard AJ, Clore GM, Gronenborn AM, Hardman KD, Whitlow M
Biochemistry 31 10449-57 (1992)
PMID: 1420164

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-139123 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Immunoglobulin G-binding protein G Chain: A
Molecule details ›
Chain: A
Length: 83 amino acids
Theoretical weight: 9.02 KDa
Source organism: Streptococcus
Expression system: Not provided
UniProt:
  • Canonical: P06654 (Residues: 287-366; Coverage: 19%)
Gene name: spg
Sequence domains: B domain
Structure domains: Ubiquitin-like (UB roll)

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P21
Unit cell:
a: 26.04Å b: 34.5Å c: 35.95Å
α: 90° β: 100.84° γ: 90°
R-values:
R R work R free
0.191 not available not available
Expression system: Not provided

Quick links

Citations

4 review citations

Structures of bacterial immunoglobulin-binding domains and their complexes with immunoglobulins.
Tashiro et al. (1995)
3 more

26 mentions without citation

Ab initio modeling of small proteins by iterative TASSER simulations.
Wu et al. (2007)
25 more