PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24881485-3 2014 Observations of the structural transformation of NO3 salt indicated that a pseudo crystalline phase transformation takes place through concerted ligand-exchange reactions at the four Ni(II) centers of the macrocycle with hydrogen bond switching. Hydrogen 221-229 NBL1, DAN family BMP antagonist Homo sapiens 49-52