Crystal structure of human STING ectodomain in complex with BI 7446, a potent cyclic dinucleotide STING agonist with broad-spectrum variant activity for the treatment of cancer
Coordinates
PDB Format
Method
X-RAY DIFFRACTION
2.09 Å
Oligo State
homo-dimer
Ligands
2 x
W78:
3-[(1~{R},3~{R},6~{R},8~{R},9~{R},10~{R},12~{R},15~{R},17~{R},18~{R})-8-(6-aminopurin-9-yl)-9-fluoranyl-18-oxidanyl-3,12-bis(oxidanylidene)-3,12-bis(sulfanyl)-2,4,7,11,13,16-hexaoxa-3$l^{5},12$l^{5}-diphosphatricyclo[13.2.1.0^{6,10}]octadecan-17-yl]-6~{H}-imidazo[4,5-d]pyridazin-7-one(Non-covalent)
Kuttruff, C.A. et al., Discovery of BI 7446: A Potent Cyclic Dinucleotide STING Agonist with Broad-Spectrum Variant Activity for the Treatment of Cancer. J.Med.Chem. (2023)