PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8913613-5 1996 The fact that K1 increased with TnC extraction implies that the condition of the thin filament modifies the contour of the substrate binding site on the myosin head and is consistent with the Fenn effect. fenn 192-196 tenascin Oryctolagus cuniculus 32-35