paramyosin

paramyosin

[‚par·ə′mī·ə·sən]
(biochemistry)
A type of fibrous protein found in the adductor muscles of bivalves and thought to form the core of a filament with myosin molecules at the surface.
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The bands of myosin (220 kDa, M in lane Me), paramyosin (111 kDa, P in lane Me), and actin (42 kDa, A in lane Me) were observed.
The myofibrillar fraction constitutes ~75-85% of it, with myosin as its major component followed by actin and paramyosin, the latter being particularly common in marine invertebrates and can represent up to 25% of themyofibrillar proteins (Sikorski and Kolodziejska, 1986; Cortez-Ruiz et al.
Examples include fatty acid binding protein (FABP), Calpain, Triose-phosphate isomerase, and Tetraspanins, GST, and Paramyosin.
Cell motility Intermediate filament protein Myomesin Myosin light chain Myosin 1 light chain Myosin heavy chain isoform 3 Paramyosin, short form Paramyosin, short form Tropomodulin Tropomodulin, isoform K Tropomyosin-2 isoform 1 Actin Actin Actin-2, partial Actin 4 Actin 57B Actin 88F Actin Actin E2 Alpha actinin, isoform A Beta-actin Beta-actin Beta-actin Actin 87E Actin type 1 Actin, cytoplasmic 2-like isoform 1 Alpha-tubulin Ankyrin-1-like Dynein heavy chain Stretchin-Mlck, isoform L Up-regulated during skeletal muscle growth protein 5--like Inhibitor of apoptosis protein 7.
Specific topics include comparative physiology of insect flight muscle; paramyosin and miniparamyosin; the insect Z-band; and functional and ecological effects of isoform variation in insect flight muscle.
The notochord cells are known to have all the features of muscle cells, including the presence of contractile paramyosin fibers, contractility upon stimulation, and neuro-notochordal junctions possessing acetylcholinesterase activity (6,7,8).
Relative percentage of myosin (M), actin (A), and paramyosin (PM), and M/A, M/PM ratio of actomyosin from squid fin during frozen storage.
Paramyosin is necessary for determination of nematode thick filament length in vivo.
1 - 1 [[micro]meter] in diameter) and unstriated, and they include large paramyosin filaments in their contractile array.
Characteristics of muscle fiber are diverse and contain paramyosin (Chantler 1983).
Thick filaments, reminiscent of paramyosin, surrounded by thin filaments are evident in cross sections of the muscle cells.