Chemicals and Drugs [D] » Macromolecular Substances [D05] » Polymers » Biopolymers » Microfilament Proteins » Myosins » Myosin Subfragments
Chemicals and Drugs [D] » Amino Acids, Peptides, and Proteins [D12] » Proteins » Contractile Proteins » Muscle Proteins » Myosins » Myosin Subfragments
Chemicals and Drugs [D] » Amino Acids, Peptides, and Proteins [D12] » Proteins » Cytoskeletal Proteins » Microfilament Proteins » Myosins » Myosin Subfragments
Description
Parts of the myosin molecule resulting from cleavage by proteolytic enzymes (PAPAIN; TRYPSIN; or CHYMOTRYPSIN) at well-localized regions. Study of these isolated fragments helps to delineate the functional roles of different parts of myosin. Two of the most common subfragments are myosin S-1 and myosin S-2. S-1 contains the heads of the heavy chains plus the light chains and S-2 contains part of the double-stranded, alpha-helical, heavy chain tail (myosin rod). MeSH
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