PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29423483-4 2018 The presence of two halide or bifluoride HF2- (F-H-F-) anions forming anion-pi interactions, respectively above and below the ligand tetrazine ring, is the leitmotiv of the [(H2L2)X2] (X = HF2, Cl, Br, I) complexes in the solid state, while hydrogen bonding between the anions and protonated morpholine ligand groups contributes to strengthen the anion-ligand interaction, in particular in the case of Cl- and Br-. 1,2,3,4-tetrazine 133-142 complement factor H Homo sapiens 41-44 29423483-4 2018 The presence of two halide or bifluoride HF2- (F-H-F-) anions forming anion-pi interactions, respectively above and below the ligand tetrazine ring, is the leitmotiv of the [(H2L2)X2] (X = HF2, Cl, Br, I) complexes in the solid state, while hydrogen bonding between the anions and protonated morpholine ligand groups contributes to strengthen the anion-ligand interaction, in particular in the case of Cl- and Br-. 1,2,3,4-tetrazine 133-142 complement factor H Homo sapiens 189-192