Blebbistatin is a newly identified small molecule inhibitor, Ask an Expert

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Blebbistatin is a newly identified small molecule inhibitor of myosin heavy chain. It binds to myosin-ADP-Pi complex with high affinity. What step of cross bridge function is affected?

a. ATP binding to the myosin head
b. Myosin binding to actin
c. Release of bound myosin from actin
d. It causes rigor mortis
e. Cross bridge movement

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