1aa2

X-ray diffraction
2Å resolution

CALPONIN HOMOLOGY (CH) DOMAIN FROM HUMAN BETA-SPECTRIN

Released:
Source organism: Homo sapiens
Primary publication:
Crystal structure of a calponin homology domain.
Nat Struct Biol 4 175-9 (1997)
PMID: 9164454

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-169513 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Spectrin beta chain, non-erythrocytic 1 Chain: A
Molecule details ›
Chain: A
Length: 108 amino acids
Theoretical weight: 12.59 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q01082 (Residues: 173-280; Coverage: 5%)
Gene names: SPTB2, SPTBN1
Sequence domains: Calponin homology (CH) domain
Structure domains: Calponin-like domain

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ENRAF-NONIUS FR571
Spacegroup: P21
Unit cell:
a: 31.471Å b: 53.685Å c: 32.197Å
α: 90° β: 106.25° γ: 90°
R-values:
R R work R free
0.16 not available 0.21
Expression system: Escherichia coli BL21