PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22473518-5 2012 The Q band of Ni-DAP was redshifted and intensified compared with that of a nickel-porphyrin reference, due to the involvement of electronegative nitrogen atoms at the meso positions. Nitrogen 146-154 death associated protein Homo sapiens 17-20