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Description for Protein MYOM1

myomesin 1, 185kDa
3 total interacting proteins; 2 platelet interacting proteins
Icon Book Platelet Evidence (proteome studies/others : 0/0)
(Not detected in platelets)
Summary:
The giant protein titin, together with its associated proteins, interconnects the major structure of sarcomeres, the M bands and Z discs. The C-terminal end of the titin string extends into the M line, where it binds tightly to M-band constituents of apparent molecular masses of 190 kD (myomesin 1) and 165 kD (myomesin 2). This protein, myomesin 1, like myomesin 2, titin, and other myofibrillar proteins contains structural modules with strong homology to either fibronectin type III (motif I) or immunoglobulin C2 (motif II) domains. Myomesin 1 and myomesin 2 each have a unique N-terminal region followed by 12 modules of motif I or motif II, in the arrangement II-II-I-I-I-I-I-II-II-II-II-II. The two proteins share 50% sequence identity in this repeat-containing region. The head structure formed by these 2 proteins on one end of the titin string extends into the center of the M band. The integrating structure of the sarcomere arises from muscle-specific members of the superfamily of immunoglobulin-like proteins. Alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq] (PubMed Links)
Domains and Motifs:
  • FN3: Fibronectin type 3 domain
  • IG: Immunoglobulin
  • IGC2: Immunoglobulin C-2 Type
    • Gene Ontology:
    Gene Ontology Annotations
    KEGG - Enzyme ID(s):
    None Available
    KEGG - Orthology:
    None Available
    KEGG - Pathway(s):
    None Available
    Nomenclature / Alternative Names:
    190 kDa connectin associated protein; Titin associated protein 185 KD; Titin associated protein 190 KD; Skelemin
    Approved Symbol:
    MYOM1
    (De-) Phosphorylations:
    Total (de-) phosphorylation sites: 2
    Human (de-) phosphorylation sites: 2; No platelet phosphorylation sites
    Phosphorylation Targets:
    Total phosphorylation targets: 0
    Human phosphorylation targets: 0;Predicted platelet targets: 0
    		Protein Characteristics:
    Isoform-specific Information
    Icon DrugsAssociated Drugs (DrugBank Accession):

    None Available

    Associated Genetic Diseases:

    None Available
    		Predicted Transmembrane Domains:
  • Isoform 2 : 0
  • Isoform 1 : 0
    • Additional Identifiers:

    HPRD: 04618 Entrez Gene ID: 8736 OMIM ID: 603508 Swissprot Accession: P52179;