4m18

X-ray diffraction
3.2Å resolution

Crystal Structure of Surfactant Protein-D D325A/R343V mutant in complex with trimannose (Man-a1,2Man-a1,2Man)

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo trimer (preferred)
PDBe Complex ID:
PDB-CPX-152870 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (3 distinct):
Pulmonary surfactant-associated protein D Chains: A, B, C, D, E, F, G, H, I, J, K, L
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J, K, L
Length: 147 amino acids
Theoretical weight: 15.88 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P35247 (Residues: 229-375; Coverage: 41%)
Gene names: COLEC7, PSPD, SFTP4, SFTPD
Sequence domains:
Structure domains: Mannose-Binding Protein A, subunit A

Ligands and Environments

Carbohydrate polymer : NEW Components: MAN
Carbohydrate polymer : NEW Components: MAN
1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU300
Spacegroup: P212121
Unit cell:
a: 107.833Å b: 159.454Å c: 159.894Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.188 0.187 0.222
Expression system: Escherichia coli BL21