4mws

X-ray diffraction
2.8Å resolution

Crystal structure of human PPCA (trigonal crystal form 1)

Released:
Source organism: Homo sapiens
Primary publication:
Proteolytic activation of human cathepsin A.
J Biol Chem 289 11592-11600 (2014)
PMID: 24599961

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-145363 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (3 distinct):
Lysosomal protective protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 428 amino acids
Theoretical weight: 48.66 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P10619 (Residues: 29-480; Coverage: 93%)
Gene names: CTSA, PPGB
Sequence domains: Serine carboxypeptidase
Structure domains: alpha/beta hydrolase

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG, BMA, MAN, FUC
Carbohydrate polymer : NEW Components: NAG, BMA, FUC
2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 24-ID-C
Spacegroup: P3121
Unit cell:
a: 134.889Å b: 134.889Å c: 99.805Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.149 0.146 0.195
Expression system: Trichoplusia ni