PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9094421-1 1997 This paper examines the location of a secondary binding site for C1s on C1-inhibitor (C1-inh) which is required for the formation of SDS-stable Cls-C1-inh complexes. Chlorine 144-147 complement C1s Homo sapiens 65-68