PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23937312-0 2013 Theoretical investigation of the reaction mechanism of ClONO2 + HCl HNO3 + Cl2 on (H2O)n (n = 0-3) cluster. Nitric Acid 70-74 endogenous retrovirus group W member 5 Homo sapiens 77-80