PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8391537-0 1993 Guanosine diphosphatase is required for protein and sphingolipid glycosylation in the Golgi lumen of Saccharomyces cerevisiae. Sphingolipids 52-64 guanosine diphosphatase Saccharomyces cerevisiae S288C 0-23