PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1509263-2 1992 In two unrelated Dutch families, a mutation in Pit-1 that altered an alanine in the first putative alpha helix of the POU-specific domain to proline was observed. Proline 141-148 POU class 1 homeobox 1 Homo sapiens 47-52