3cwl

X-ray diffraction
2.44Å resolution

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

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

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 14-BM-D
Spacegroup: P212121
Unit cell:
a: 39.225Å b: 51.898Å c: 206.684Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.218 0.216 0.264
Expression system: Escherichia coli