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Tchem
MYO3B
Myosin-IIIb

Protein Summary
Description
Probable actin-based motor with a protein kinase activity. Required for normal cochlear hair bundle development and hearing. Plays an important role in the early steps of cochlear hair bundle morphogenesis. Influences the number and lengths of stereocilia to be produced and limits the growth of microvilli within the forming auditory hair bundles thereby contributing to the architecture of the hair bundle, including its staircase pattern. Involved in the elongation of actin in stereocilia tips by transporting the actin regulatory factor ESPN to the plus ends of actin filaments. This gene encodes one of the class III myosins. Myosins are ATPases, activated by actin, that move along actin filaments in the cell. This class of myosins are characterized by an amino-terminal kinase domain and shown to be present in photoreceptors. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Mar 2014]
Uniprot Accession IDs
Gene Name
Ensembl ID
  • ENST00000317935
  • ENSP00000314650
  • ENSG00000071909
  • ENST00000408978
  • ENSP00000386213
  • ENST00000409044
  • ENSP00000386497
Illumination Graph
Knowledge Table
Most Knowledge About
Knowledge Value (0 to 1 scale)
molecular function
0.99
protein domain
0.97
trait
0.86
gene perturbation
0.81
tissue sample
0.81


IDG Development Level Summary
Tdark

These are targets about which virtually nothing is known. They do not have known drug or small molecule activities
- AND - satisfy two or more of the following criteria:

Pubmed score: 10.45   (req: < 5)
Gene RIFs: 4   (req: <= 3)
Antibodies: 152   (req: <= 50)
Tbio

These targets do not have known drug or small molecule activities
- AND - satisfy two or more of the following criteria:

Pubmed score: 10.45   (req: >= 5)
Gene RIFs: 4   (req: > 3)
Antibodies: 152   (req: > 50)

- OR - satisfy the following criterion:

Gene Ontology Terms: 8
Tchem

Target has at least one ChEMBL compound with an activity cutoff of < 30 nM - AND - satisfies the preceding conditions

Active Ligand: 1
Tclin

Target has at least one approved drug - AND - satisfies the preceding conditions

Active Drug: 0