PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32335456-3 2020 The pathogenic infectivity of the virus requires the S1 subunit of the spike (S) protein to bind the host cell receptor, angiontensin converting enzyme (ACE2). angiontensin 121-133 surface glycoprotein Severe acute respiratory syndrome coronavirus 2 53-54