2qug

X-ray diffraction
2Å resolution

Crystal structure of alpha-1-antitrypsin, crystal form A

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-133784 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Alpha-1-antitrypsin Chain: A
Molecule details ›
Chain: A
Length: 394 amino acids
Theoretical weight: 44.41 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P01009 (Residues: 25-418; Coverage: 100%)
Gene names: AAT, PI, PRO0684, PRO2209, SERPINA1
Sequence domains: Serpin (serine protease inhibitor)
Structure domains:

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 14-BM-C
Spacegroup: C2
Unit cell:
a: 113.368Å b: 39.391Å c: 90.154Å
α: 90° β: 104.61° γ: 90°
R-values:
R R work R free
0.218 0.215 0.275
Expression system: Escherichia coli