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myosin Definition

myo·sin (ō sin)

noun

a protein in muscles

Etymology: < Gr mys (gen. myos), a muscle, mouse + -in

myosin Usage Examples

Converse of object

  • call: The thick filament is made of a protein called myosin.
  • express: In addition to the one myosin II gene, Dictyostelium expresses two myosin XI genes and at least six myosin I genes.

Preposition: in

  • filament: Don't get too engrossed with the detail; use it to grasp the overall layout of myosin in the filament.

Adjective modifier

  • unconventional: Titus, M. A. ( 1999 ) A class VII unconventional myosin is required for phagocytosis.
  • cardiac: An immunization program using cardiac myosin is currently underway.
  • other: It is unclear whether, as all other myosins studied so far, MyoK carries a light chain bound to its short neck.
  • skeletal: Not skeletal muscle myosin, but informative ( we think!
  • thick: Biochemists call these thick muscle fibers myosin heavy chain proteins ( MHC ).
  • single: Roles of the myosin head and tail - force generation by single myosin heads as measured by micromanipulation.

Modifies a noun

  • viia: A number of possible explanations have been suggested for the involvement of myosin VIIa in the ear and eye.
  • atpase: Identify the principal fiber types: Type 1 or slow oxidative fibers have a slow contraction speed and a low myosin ATPase activity.
  • filament: A myosin filament contains several hundred myosin molecules in two bundles packed end to end.
  • V: What is the significance of the myosin V step length?
  • molecule: Thick filaments are made of myosin molecules each of which contains six subunits.
  • motor: The X-ray structure of the myosin motor domain has been intensively studied.

Noun used with modifier

  • non-muscle: DAPK3 also directly phosphorylates both muscle and non-muscle myosin.
  • muscle: Yeast actin filaments display ATP-dependent sliding movement over surfaces coated with rabbit muscle myosin.
  • protein: The thicker filaments in the central portion of the sarcomere are composed of the protein myosin; the thinner filaments are primarily actin.
  • fiber: Biochemists call these thick muscle fibers myosin heavy chain proteins ( MHC ).

Browse dictionary entries near myosin

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