ISDA: 9QW4

Deposition Date 2025-04-14

Release Date 2026-03-04

Last Version Date 2026-03-04

Entry Detail

PDB ID:

9QW4

Keywords:

SURFACTANT PROTEIN

Title:

Crystal structure of human lung surfactant protein D trimeric fragment with bound synthetic PhosII-HepII-HepI 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:

1.85 Å

R-Value Free:

0.20

R-Value Work:

0.17

Space Group:

P 1 21 1

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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

A1JBS

GMH

Primary Citation

Phosphorylation of inner core heptose is a major determinant of bacterial surface lipopolysaccharide recognition by the innate immune protein hSP-D.

Williams, H.M, Watson, A, Madsen, J, Clark, H.W, Hood, D.W, Oscarson, S, Greenhough, T.J, Shrive, A.K.Show

J.Biol.Chem. ? 111307 111307 (2026)

PMID: 41724382 DOI: 10.1016/j.jbc.2026.111307

Primary Citation of related structures

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