PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32404436-4 2020 Expression of two mucosa-specific serine proteases, TMPRSS2 and TMPRSS4, facilitated SARS-CoV-2 spike fusogenic activity and promoted virus entry into host cells. Serine 34-40 surface glycoprotein Severe acute respiratory syndrome coronavirus 2 96-101