PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3032675-1 1987 The ferric spleen green heme-protein exhibits hyperfine-shifted proton resonances between 90 and 20 ppm for the high-spin resting form and the chloride complex, and between 46 and -9.4 ppm for the low-spin nitrite complex. Nitrites 206-213 HEME Bos taurus 24-28