... out to determine if the < /b> binding of < /b> cTnC to TnI altered the < /b> proximity betweenCys48–64 of < /b> TnI. In < /b> contrast to the < /b> results obtained with the < /b> PIA-TnI/sTnC complex (Figs 1B and 2A), the< /b> Table 1. ATPase ... describedpreviously [30]. Myofibril-bound TnI, TnT, sTnC and cTnC were estimated by normalizing the < /b> ratio of < /b> the < /b> area under the < /b> peaks of < /b> TnI, or < /b> TnT, or< /b> sTnC or < /b> cTnC to that under the < /b> LC1 (myosin light chain ... [33].ResultsBiological activity of < /b> pyrene-labeled TnI In < /b> interpreting the < /b> experimental results it is important toknow whether the < /b> modified protein retains biologicalactivity. In < /b> this case, biological activity is...