PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15677376-8 2005 However, DP4 sensitized RyR1 four- to six-fold to caffeine in the caffeine-induced Ca(2+) release. Caffeine 66-74 ryanodine receptor 1 Homo sapiens 24-28