PDBe 2alf

X-ray diffraction
1.9Å resolution

crystal structure of human CypA mutant K131A

Source organism: Homo sapiens
Entry authors: Hu H, Huang C-Q, Liu H-L, Han Y, Chen M-E, Yu L, Bi R-C

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Peptidyl-prolyl cis-trans isomerase A Chain: A
Molecule details ›
Chain: A
Length: 164 amino acids
Theoretical weight: 17.85 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
  • Canonical: P62937 (Residues: 2-165; Coverage: 99%)
Gene names: CYPA, PPIA
Sequence domains: Cyclophilin type peptidyl-prolyl cis-trans isomerase/CLD
Structure domains: Cyclophilin-like

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: BSRF BEAMLINE 3W1A
Spacegroup: C2221
Unit cell:
a: 33.585Å b: 68.264Å c: 137.794Å
α: 90° β: 90° γ: 90°
R R work R free
0.193 0.193 0.226
Expression system: Escherichia coli BL21(DE3)