2026-02-28_00000255|ligand|9QW4

Crystal structure of human lung surfactant protein D trimeric fragment with bound synthetic PhosII-HepII-HepI ligand; X-ray diffraction 1.85Å
Protein #1 177 residues (85% resolved)

GSPGLKGDKGIPGDKGAKGESGLPDVASLRQQVEALQGQVQHLQAAFSQYKKVELFPNGQSVGEKIFKTAGFVKPFTEAQLLCTQAGGQLASPRSAAENAALQQLVVAKNEAAFLSMTDSKTEGKFTYPTGESLVYSNWAPGEPNDDGGSEDCVEIFTNGKWNDRACGEKRLVVCEF

GSPGLKGDKGIPGDKGAKGESGLPDVASLRQQVEALQGQVQHLQAAFSQYKKVELFPNGQSVGEKIFKTAGFVKPFTEAQLLCTQAGGQLASPRSAAENAALQQLVVAKNEAAFLSMTDSKTEGKFTYPTGESLVYSNWAPGEPNDDGGSEDCVEIFTNGKWNDRACGEKRLVVCEF
Non polymer #2 A1JBS

InChI=1S/C24H35F3NO17P/c25-24(26,27)23(37)28-10-3-1-9(2-4-10)5-6-41-21-16(36)19(15(35)17(42-21)11(31)7-29)44-22-14(34)13(33)20(45-46(38,39)40)18(43-22)12(32)8-30/h1-4,11-22,29-36H,5-8H2,(H,28,37)(H2,38,39,40)/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)OP(=O)(O)O)O)O)O)NC(=O)C(F)(F)F
Non polymer #3 CA

InChI=1S/Ca/q+2

[Ca+2]
Non polymer #4 GMH

InChI=1S/C7H14O7/c8-1-2(9)6-4(11)3(10)5(12)7(13)14-6/h2-13H,1H2/t2-,3-,4-,5-,6+,7-/m0/s1

C([C@@H]([C@@H]1[C@H]([C@@H]([C@@H]([C@H](O1)O)O)O)O)O)O
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Reference