PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1854759-0 1991 Photoaffinity labeling of human serum vitamin D binding protein and chemical cleavages of the labeled protein: identification of an 11.5-kDa peptide containing the putative 25-hydroxyvitamin D3 binding site. Calcifediol 173-193 GC vitamin D binding protein Homo sapiens 38-63