› 2scp

X-ray diffraction
2Å resolution

STRUCTURE OF A SARCOPLASMIC CALCIUM-BINDING PROTEIN FROM NEREIS DIVERSICOLOR REFINED AT 2.0 ANGSTROMS RESOLUTION

Released:
DOI: 10.2210/pdb2scp/pdb
PDB entry 2scp coloured by chain, front view.
PDB entry 2scp coloured by chain, side view.
PDB entry 2scp coloured by chain, top view.
Source organism: Hediste diversicolor
Primary publication:
Structure of a sarcoplasmic calcium-binding protein from Nereis diversicolor refined at 2.0 A resolution.
Vijay-Kumar S, Cook WJ
J Mol Biol 224 413-26 (1992)
PMID: 1560459

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-137916 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Sarcoplasmic calcium-binding protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 174 amino acids
Theoretical weight: 19.5 KDa
Source organism: Hediste diversicolor
Expression system: Not provided
UniProt:
  • Canonical: P04571 (Residues: 1-174; Coverage: 100%)
Sequence domains: EF hand
Structure domains: EF-hand

Ligands and Environments

1 bound ligand:
Ligand CA 6 x CA
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P21
Unit cell:
a: 43.6Å b: 56Å c: 65.8Å
α: 90° β: 92.6° γ: 90°
R-values:
R R work R free
0.18 not available not available
Expression system: Not provided

Quick links

Citations

5 review citations

Molecular tuning of ion binding to calcium signaling proteins.
Falke et al. (1994)
4 more

14 mentions without citation

Do all backbone polar groups in proteins form hydrogen bonds?
Fleming et al. (2005)
13 more