PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2952642-9 1987 Furthermore, caldesmon weakens the equilibrium binding of myosin subfragment-1 to actin in the presence of pyrophosphate. diphosphoric acid 107-120 caldesmon 1 Homo sapiens 13-22 2952642-9 1987 Furthermore, caldesmon weakens the equilibrium binding of myosin subfragment-1 to actin in the presence of pyrophosphate. diphosphoric acid 107-120 myosin heavy chain 14 Homo sapiens 58-64