Structure of a bacterial STING receptor from Flavobacteriaceae sp. in complex with 3',3'-cGAMP

2-Gaussian fit: Grosse-Kunstleve RW, Sauter NK, Adams PD: Newsletter of the IUCr Commission on Crystallographic Computing 2004, 3, 22-31.

STING cyclic dinucleotide sensing originated in bacteria.

SEAEYSPAFALAVGYFKNFIFPAITQIKENGEVNPKICIYKPKHFDELTSTNIDMIKAELTNKKYNLSEINLSLKGARAR
DILTLNKKSKIHSYFDFPNTLLSLYSYVDFKIASSNNNSSELKKKKFVELLIEQFYLKLNELIQENNLTNNITFCDKNLQ
GL

2 M ammonium sulfate, 0.2 M sodium acetate pH 4.5

CBASS, cyclic dinucleotide receptor, CD-NTase, immune effector, IMMUNE SYSTEM