PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22194689-4 2011 Nef conferred as much as 50-fold resistance to 2F5 and 4E10, two potent neutralizing monoclonal antibodies (nAbs) that target the membrane proximal external region (MPER) of TMgp41. nabs 108-112 S100 calcium binding protein B Homo sapiens 0-3