PDBe 1r13

X-ray diffraction
2.1Å resolution

Carbohydrate recognition and neck domains of surfactant protein A (SP-A)

Released:

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Pulmonary surfactant-associated protein A Chain: A
Molecule details ›
Chain: A
Length: 148 amino acids
Theoretical weight: 16.67 KDa
Source organism: Rattus norvegicus
Expression system: Trichoplusia
UniProt:
  • Canonical: P08427 (Residues: 101-248; Coverage: 65%)
Gene names: Sftp-1, Sftp1, Sftpa, Sftpa1
Sequence domains: Lectin C-type domain
Structure domains: Mannose-Binding Protein A, subunit A

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X8C
Spacegroup: P63
Unit cell:
a: 97.68Å b: 97.68Å c: 44.54Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.221 0.221 0.249
Expression system: Trichoplusia