PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12911544-8 2003 When sulfo-N-hydrosuccinimide (NHS)-acetate was used first to block all apical reactive sites, an increase in biotinylated NHE3 protein was observed following Ang II incubation. sulfo-n-hydrosuccinimide (nhs)-acetate 5-43 angiotensinogen Homo sapiens 159-165