Sandbox Reserved 930: Difference between revisions
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==Introduction of the Myosin head S1 == | ==Introduction of the Myosin head S1 == | ||
<StructureSection load='1B7T' size='450' frame='true' side='right' caption='Myosin subfragment 1' scene='57/579700/Whole_structure/3'> | <StructureSection load='1B7T' size='450' frame='true' side='right' caption='Myosin subfragment 1' scene='57/579700/Whole_structure/3'> | ||
[[Image:SUBDOMAINS.gif|300px|right|thumb| The contractile cycle of the myosin head]] | |||
Myosin is a large asymmetric molecule with a MW of about 500,000 kDa. It consist of two globular head domains termed myosin subfragment 1 (S1), one neck subfragment 2 (S2) and a light meromyosin tail (LMM) <ref>PMID: 8203020</ref>. Myosin S1 unit comprises of a motor domain (MD) and a lever arm (Fig.3). By 2000 the structures of three scallop myosin S1 isoforms have been determined <ref>PMID: 11016966</ref><ref>PMID: 10338210</ref>, which are: | Myosin is a large asymmetric molecule with a MW of about 500,000 kDa. It consist of two globular head domains termed myosin subfragment 1 (S1), one neck subfragment 2 (S2) and a light meromyosin tail (LMM) <ref>PMID: 8203020</ref>. Myosin S1 unit comprises of a motor domain (MD) and a lever arm (Fig.3). By 2000 the structures of three scallop myosin S1 isoforms have been determined <ref>PMID: 11016966</ref><ref>PMID: 10338210</ref>, which are: | ||
