• Thumbnail for Myosin
    Myosins (/ˈmaɪəsɪn, -oʊ-/) are a superfamily of motor proteins best known for their roles in muscle contraction and in a wide range of other motility...
    42 KB (4,894 words) - 19:46, 27 April 2024
  • Thumbnail for Smooth muscle
    the proteins of myosin and actin which together have the capability to contract. Myosin is primarily class II in smooth muscle. Myosin II contains two...
    37 KB (4,704 words) - 11:19, 9 April 2024
  • Myosin ATPase (EC 3.6.4.1) is an enzyme with systematic name ATP phosphohydrolase (actin-translocating). This enzyme catalyses the following chemical reaction:...
    2 KB (152 words) - 03:03, 22 December 2023
  • Thumbnail for Myosin light-chain kinase
    Myosin light-chain kinase also known as MYLK or MLCK is a serine/threonine-specific protein kinase that phosphorylates a specific myosin light chain, namely...
    16 KB (1,731 words) - 22:49, 9 January 2024
  • Thumbnail for Myofibril
    "ladder" along which the myosin filaments "climb" to generate motion Thick filaments consist primarily of the protein myosin, that is responsible for...
    10 KB (1,235 words) - 19:06, 19 December 2023
  • Thumbnail for Sarcomere
    of the important proteins are myosin, which forms the thick filament, and actin, which forms the thin filament. Myosin has a long, fibrous tail and a...
    12 KB (1,553 words) - 21:43, 10 March 2024
  • Thumbnail for Myosin head
    The myosin head is the part of the thick myofilament made up of myosin that acts in muscle contraction, by sliding over thin myofilaments of actin. Myosin...
    6 KB (681 words) - 14:47, 15 October 2023
  • adenosine triphosphate (ATP). ATP is required to cause separation of the actin-myosin cross-bridges during relaxation of muscle. When oxygen is no longer present...
    7 KB (812 words) - 08:18, 13 April 2024
  • Thumbnail for Cytokinesis
    promotes myosin II activation by the kinase ROCK, which activates myosin II directly by phosphorylation of the myosin light chain and also inhibits myosin phosphatase...
    28 KB (3,533 words) - 15:18, 9 February 2024
  • Thumbnail for Myosin-2
    Myosin-2 (myosin heavy chain 2) is a protein that in humans is encoded by the MYH2 gene. GRCh38: Ensembl release 89: ENSG00000125414 – Ensembl, May 2017...
    7 KB (852 words) - 20:58, 13 October 2022
  • Thumbnail for Myosin-light-chain phosphatase
    Myosin light-chain phosphatase, also called myosin phosphatase (EC 3.1.3.53; systematic name [myosin-light-chain]-phosphate phosphohydrolase), is an enzyme...
    14 KB (1,600 words) - 15:01, 26 August 2023
  • Thumbnail for Motor protein
    function without dynein. Numerous myosin deficiencies are related to disease states and genetic syndromes. Because myosin II is essential for muscle contraction...
    13 KB (1,538 words) - 23:48, 17 April 2024
  • Thumbnail for Sliding filament theory
    other to generate movement. According to the sliding filament theory, the myosin (thick filaments) of muscle fibers slide past the actin (thin filaments)...
    20 KB (2,657 words) - 22:43, 13 April 2024
  • Thumbnail for Myosin-11
    Myosin-11 is a protein that in humans is encoded by the MYH11 gene. Myosin-11 is a smooth muscle myosin belonging to the myosin heavy chain family. Myosin-11...
    10 KB (1,334 words) - 08:39, 29 January 2023
  • Thumbnail for Myosin light chain
    A myosin light chain is a light chain (small polypeptide subunit) of myosin. Myosin light chains were discovered by Chinese biochemist Cao Tianqin (Tien-chin...
    8 KB (1,021 words) - 21:26, 18 May 2023
  • Thumbnail for Myosin-IIIa
    Myosin-IIIa is a protein that in humans is encoded by the MYO3A gene. The protein encoded by this gene belongs to the myosin superfamily. Myosins are...
    5 KB (637 words) - 17:53, 3 December 2023
  • Thumbnail for Muscle contraction
    and thick filaments dominantly consist of chains of the motor-protein myosin. Together, these two filaments form myofibrils - the basic functional organelles...
    62 KB (7,392 words) - 05:02, 10 December 2023
  • Thumbnail for Myofilament
    myofibrils in muscle cells. The main proteins involved are myosin, actin, and titin. Myosin and actin are the contractile proteins and titin is an elastic...
    13 KB (1,711 words) - 18:04, 15 October 2023
  • Thumbnail for MYO7A
    MYO7A (redirect from Myosin VIIA)
    Myosin VIIA is protein that in humans is encoded by the MYO7A gene. Myosin VIIA is a member of the unconventional myosin superfamily of proteins. Myosins...
    16 KB (1,718 words) - 01:56, 1 December 2023
  • Thumbnail for Isotropic bands
    actin-containing thin filaments. The thin filaments are placed between 2 myosin filaments and contain only the actin filaments of neighboring sarcomeres...
    3 KB (308 words) - 18:56, 23 April 2024
  • Thumbnail for Skeletal muscle
    histochemical staining for myosin ATPase activity and immunohistochemical staining for myosin heavy chain (MHC) type. Myosin ATPase activity is commonly—and...
    120 KB (13,876 words) - 14:33, 17 April 2024
  • Thumbnail for Unconventional myosin-VI
    Unconventional myosin-VI, is a protein that in humans is coded for by MYO6. Unconventional myosin-VI is a myosin molecular motor involved in intracellular...
    15 KB (1,733 words) - 02:02, 3 January 2024
  • Meromyosin is a part of myosin (mero meaning "part of"). With regards to human anatomy myosin and actin constitute the basic functional unit of a muscle...
    2 KB (225 words) - 06:00, 20 October 2022
  • MHCK MIHC kinase myosin heavy chain kinase myosin I heavy-chain kinase myosin II heavy-chain kinase [myosin-heavy-chain] kinase myosin heavy chain kinase...
    5 KB (546 words) - 15:01, 26 August 2023
  • Myosin-heavy chain myopathy (MYHM) is a genetic muscle disease found primarily in the American Quarter Horse and crossbred horses with significant Quarter...
    2 KB (248 words) - 21:03, 24 March 2024
  • Thumbnail for Myosin binding protein C, cardiac
    The myosin-binding protein C, cardiac-type is a protein that in humans is encoded by the MYBPC3 gene. This isoform is expressed exclusively in heart muscle...
    68 KB (8,462 words) - 19:31, 20 January 2024
  • Thumbnail for Omecamtiv mecarbil
    mecarbil (INN), previously referred to as CK-1827452, is a cardiac-specific myosin activator. It is an experimental drug being studied for a potential role...
    18 KB (1,577 words) - 06:14, 29 April 2024
  • Thumbnail for Unconventional myosin-Ia
    Unconventional myosin-Ia is a protein that in humans is encoded by the MYO1A gene. The protein encoded by this gene belongs to the myosin superfamily. Myosins are...
    7 KB (913 words) - 01:22, 4 March 2023
  • Thumbnail for Plasmodesma
    Plasmodesma (section Myosin)
    plasmodesma into smaller channels. These structures may be composed of myosin and actin, which are part of the cell's cytoskeleton. If this is the case...
    23 KB (2,715 words) - 19:04, 20 February 2024
  • Thumbnail for Cytoplasmic streaming
    another set of plants, the myosin molecule is replaced with the slower homo sapiens Vb myosin motor molecule. Human myosin Vb only moves at a rate of...
    28 KB (3,479 words) - 14:17, 14 February 2024