Summary

Name MYO9B
Full Name Unconventional myosin-IXb
Synonyms Unconventional myosin-9b | MYR5
Primary ID Q13459
Links - -
Type protein
Relations 4
Function Myosins are actin-based motor molecules with ATPase activity. Unconventional myosins serve in intracellular movements. Binds actin with high affinity both in the absence and presence of ATP and its mechanochemical activity is inhibited by calcium ions (PubMed:9490638). Also acts as a GTPase activator for RHOA (PubMed:9490638, PubMed:26529257). Plays a role in the regulation of cell migration via its role as RHOA GTPase activator. This is regulated by its interaction with the SLIT2 receptor ROBO1; interaction with ROBO1 impairs interaction with RHOA and subsequent activation of RHOA GTPase activity, and thereby leads to increased levels of active, GTP-bound RHOA (PubMed:26529257).

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Modifications Tables

Relations

Regulator Mechanism target score
+ img/unknown.png phosphorylation MYO9B 0.306
Publications: 1 Organism: Mus Musculus
+ down-regulates activity img/direct_inhibition.png gtpase-activating protein RHOA 0.764
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png gtpase-activating protein CDC42 0.543
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png gtpase-activating protein RAC1 0.521
Publications: 1 Organism: Homo Sapiens