2026-02-28_00000254|ligand|9QW3

Crystal structure of human lung surfactant protein D trimeric fragment with bound synthetic HepIII-HepII-HepI ligand; X-ray diffraction 1.63Å
Protein #1 177 residues (84% resolved)

GSPGLKGDKGIPGDKGAKGESGLPDVASLRQQVEALQGQVQHLQAAFSQYKKVELFPNGQSVGEKIFKTAGFVKPFTEAQLLCTQAGGQLASPRSAAENAALQQLVVAKNEAAFLSMTDSKTEGKFTYPTGESLVYSNWAPGEPNDDGGSEDCVEIFTNGKWNDRACGEKRLVVCEF

GSPGLKGDKGIPGDKGAKGESGLPDVASLRQQVEALQGQVQHLQAAFSQYKKVELFPNGQSVGEKIFKTAGFVKPFTEAQLLCTQAGGQLASPRSAAENAALQQLVVAKNEAAFLSMTDSKTEGKFTYPTGESLVYSNWAPGEPNDDGGSEDCVEIFTNGKWNDRACGEKRLVVCEF
Non polymer #2 A1JBO

InChI=1S/C24H34F3NO14/c25-24(26,27)23(38)28-10-3-1-9(2-4-10)5-6-39-21-17(37)20(16(36)19(40-21)12(32)8-30)42-22-15(35)13(33)14(34)18(41-22)11(31)7-29/h1-4,11-22,29-37H,5-8H2,(H,28,38)/t11-,12-,13-,14-,15-,16+,17-,18+,19+,20-,21-,22+/m0/s1

c1cc(ccc1CCO[C@@H]2[C@H]([C@H]([C@@H]([C@H](O2)[C@H](CO)O)O)O[C@@H]3[C@H]([C@H]([C@@H]([C@H](O3)[C@H](CO)O)O)O)O)O)NC(=O)C(F)(F)F
Non polymer #3 CA

InChI=1S/Ca/q+2

[Ca+2]
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