PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30761702-2 2019 Upon addition of pyridine, both NiII centers became hexacoordinated by accepting two axial pyridines, which triggered a spin-state change of the NiII centers from diamagnetic (S=0) to paramagnetic (S=1). Pyridines 91-100 spindlin 1 Homo sapiens 120-124