› 4dir

X-ray diffraction
2.6Å resolution

2.6 Angstrom X-ray structure of human CA(2+)-S100A5

Released:
DOI: 10.2210/pdb4dir/pdb
PDB entry 4dir coloured by chain, front view.
PDB entry 4dir coloured by chain, side view.
PDB entry 4dir coloured by chain, top view.
Source organism: Homo sapiens
Entry authors: Liriano MA, Toth EA, Weber DJ

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-152645 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Protein S100-A5 Chains: A, B
Molecule details ›
Chains: A, B
Length: 92 amino acids
Theoretical weight: 10.76 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P33763 (Residues: 1-92; Coverage: 100%)
Gene names: S100A5, S100D
Sequence domains: S-100/ICaBP type calcium binding domain
Structure domains: EF-hand

Ligands and Environments

1 bound ligand:
Ligand CA 4 x CA
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL11-1
Spacegroup: P41
Unit cell:
a: 52.692Å b: 52.692Å c: 67.012Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.245 0.243 0.283
Expression system: Escherichia coli

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