UniprotKB/SwissProt ID: Q23978 (Q23978)
Gene Name:
Myo31DF
Organism: Drosophila melanogaster (Fruit fly)
Function: Unconventional myosin that functions as actin-based motor protein with ATPase activity (PubMed:30467170). Binds to membranes enriched in phosphatidylinositol 4-5-bisphosphate, and can glide along actin filaments when anchored to a lipid bilayer (PubMed:30467170). Generates left-right asymmetry at the level of single cells, organs and the whole body via its interaction with the actin cytoskeleton, both in the embryo and the adult (PubMed:16598258, PubMed:16598259, PubMed:18521948, PubMed:25659376, PubMed:26073018, PubMed:30467170). Normal left-right asymmetry of the larval midgut and hindgut requires expression in the embryonic hindgut epithelium during a critical time period, 10 to 12.75 hours after egg laying (PubMed:18521948). This period corresponds to a late stage of germband retraction, and precedes left-right asymmetric morphogenesis (PubMed:18521948). Expression in segment H1 of the imaginal ring is required at 0 to 24 hours after pupation for changes of cell shape and orientation in the H2 segment, which then gives rise to normal, dextral looping of the adult hindgut (PubMed:16598258, PubMed:26073018). Required during a critical period, 126-132 hours after egg laying, for normal, dextral rotation of the adult male genitalia (PubMed:16598258, PubMed:16598259, PubMed:22491943, PubMed:25659376, PubMed:26073018). Has a double role by promoting dextral rotation in the posterior compartment of segment A8 of the male genital disk, and in repressing sinistral looping in the anterior compartment (PubMed:16598259)
Other Modifications: View all modification sites in dbPTM
Protein Subcellular Localization: Cytoplasm. Cytoplasm, cell cortex. Cytoplasm, cytoskeleton. Cell membrane. Cell junction. Cell junction, adherens junction. Cell projection
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