PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9729823-2 1998 The use of formamide and a low concentration of acrylamide increased resolution and sharpness of HUMARA alleles in silver-stained polyacrylamide gels. Acrylamide 48-58 androgen receptor Homo sapiens 97-103