PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1421163-1 1992 The three-dimensional structure of the H-ras oncogene product p21 has been determined in both its active, GTP-bound and its inactive, GDP-bound forms. Guanosine Triphosphate 106-109 H3 histone pseudogene 16 Homo sapiens 62-65