9QW2 image
Deposition Date 2025-04-14
Release Date 2026-03-04
Last Version Date 2026-03-04
Entry Detail
PDB ID:
9QW2
Keywords:
SURFACTANT PROTEIN
Title:
Crystal structure of human lung surfactant protein D trimeric fragment with bound synthetic HepII-HepI-PhosI ligand
Biological Source:
Source Organism(s):
Homo sapiens (Taxon ID: 9606)
Expression System(s):
Escherichia coli bl21(de3)
Method Details:
Experimental Method:
X-RAY DIFFRACTION
Resolution:
1.92 Å
R-Value Free:
0.21
R-Value Work:
0.18
Space Group:
P 1 21 1
9QW2 validation report
Macromolecular Entities
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Pulmonary surfactant-associated protein D
Gene (Uniprot):SFTPD
Chain IDs:A, B, C
Chain Length:177
Number of Molecules:3
Biological Source:Homo sapiens
UniProt ID:P35247 Pfam ID:PF01391, PF09006, PF00059
Ligand Molecules
CA
Primary Citation
Phosphorylation of inner core heptose is a major determinant of bacterial surface lipopolysaccharide recognition by the innate immune protein hSP-D.
J.Biol.Chem. ? 111307 111307 (2026)
PMID: 41724382 DOI: 10.1016/j.jbc.2026.111307
Primary Citation of related structures
9QW2
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