PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6547042-1 1984 The human plasma protein binding vitamin D and its metabolites (Gc globulin; group-specific component) has been isolated from human plasma by column affinity chromatography on gels to which monomeric actin was covalently attached. Vitamin D 33-42 GC vitamin D binding protein Homo sapiens 64-75