› 5k89

X-ray diffraction
2.25Å resolution

Crystal Structure of Human Calcium-Bound S100A1

Released:
DOI: 10.2210/pdb5k89/pdb
PDB entry 5k89 coloured by chain, front view.
PDB entry 5k89 coloured by chain, side view.
PDB entry 5k89 coloured by chain, top view.
Source organism: Homo sapiens
Primary publication:
X-ray crystal structure of human calcium-bound S100A1.
Melville Z, Aligholizadeh E, McKnight LE, Weber DJ, Pozharski E, Weber DJ
Acta Crystallogr F Struct Biol Commun 73 215-221 (2017)
PMID: 28368280

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-149925 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Protein S100-A1 Chains: A, C, H
Molecule details ›
Chains: A, C, H
Length: 94 amino acids
Theoretical weight: 10.56 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P23297 (Residues: 1-94; Coverage: 100%)
Gene names: S100A, S100A1
Sequence domains:
Structure domains: EF-hand

Ligands and Environments

2 bound ligands:
Ligand TRS 1 x TRS
Ligand CA 6 x CA
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL7-1
Spacegroup: P3221
Unit cell:
a: 53.547Å b: 53.547Å c: 193.387Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.275 0.275 0.29
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

1 review citation

Friend or Foe: S100 Proteins in Cancer.
Allgöwer et al. (2020)
5 other articles

2 mentions without citation

X-ray crystal structure of human calcium-bound S100A1.
Melville et al. (2017)
1 more