Protein
Armadillo repeat-containing X-linked protein 3
Function
Regulates mitochondrial aggregation and transport in axons in living neurons (PubMed:22569362, PubMed:23844091). May link mitochondria to the Trak2-kinesin motor complex via its interaction with Miro and Trak2 (PubMed:22569362). Mitochondrial distribution and dynamics is regulated through Armcx3 protein degradation, which is promoted by PCK and negatively regulated by Wnt1 (PubMed:23844091). Enhances the Sox10-mediated transactivation of the neuronal acetylcholine receptor subunit alpha-3 and beta-4 subunit gene promoters (PubMed:19304657).
Similarity
Belongs to the eutherian X-chromosome-specific Armcx family.
Sequence
MGYARKVGWVTAGLVIGAGACYCIYRLTRGRKQNKEKMAEGGSGDVDDAGDCSGARYNDWSDDDDDSNESKSIVWYPPWARIGTEAGTRARARARARATRARRAVQKRASPNSDDTVLSPQELQKVLCLVEMSEKPYILEAALIALGNNAAYAFNRDIIRDLGGLPIVAKILNTRDPIVKEKALIVLNNLSVNAENQRRLKVYMNQVCDDTVTSRLNSSVQLAGLRLLTNMTVTNEYQHILANSISDFFRLFSAGNEETKLQVLKLLLNLAENPAMTRELLRAQVPSSLGSLFNKKEYKEVILKLLIIFENINDNFKWEENEPAQNHFSEGSLFFFLKEFQVCADKVLGIESRHDFQVRVKVGKFVAKLTERMFPKSQE