Cytoskeleton III Myosin Motors
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9 Terms
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Microfilaments provide scaffhold
Myosin Based Motility
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Microtubules provide roadways
Dyneins and Kinesins
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Conventional Myosin
Myosin II (self assemble -bipolar filaments)
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Unconventional Myosin
Myosin I, III-XI
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Myosin II: Domain Organization
Heavy Chain is a motor (ATPase)
Light chains rigidify “neck”
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Myosin I
Crosslink Actin Filaments to the PM
Move vesicles along actin filaments
Actin filament alignments and sliding
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Sacromere
Basic unit of skeletal and cardiac muscle
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Actin Linked Regulation
Tropomyosin: blocks binding site
Troponin: Activated by high Ca2+
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Myosin Linked Regulation
Ca2+/Calmodulin dependent Kinase: MLCK (extend)
Note 
Flashcards (52)