Ankyrin Repeat Rich Membrane Spanning Protein
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Contents |
Function
- promotes a prolonged MAP-kinase signaling by neurotrophins through activation of a Rap1-dependent mechanism
- provides a docking site for the CRKL- C3G complex, resulting in Rap1-dependent sustained ERK activation
- may play role in regulating postsynaptic signal transduction through syntrophin-mediated localization of receptor tyrosine kinases such as EPHA4
- in cooperation with SNTA1 can enhance EPHA4-induced JAK/ STAT activation
- may play a role in neurotrophin- & ephrin-mediated neuronal outgrowth & in axon guidance during neural development & in neuronal regeneration ( putative)
- modulates stress-induced apoptosis of melanoma cells via regulation of the MEK/ ERK signaling pathway
- interacts with NTRK1, NTRK2, NTRK3, ERKL & NGFR
- can form a ternary complex with NGFR & NTRK1 & this complex is affected by the expression levels of ARMS
- an increase in ARMS expression leads to a decreased association of NGFR & NTRK1
- interacts with SNTA1 & SNTB2 & binds to their PDZ domains
- interacts with EPHA4 & PRKD1 ( putative)
- tyrosine phosphorylated by NTRK1, NTRK2, EPHB2 & EPHA4
- phosphorylation at Ser-918 is induced by phorbol ester
- phosphorylation by NTRK2 is induced by BDNF & neurotrophin-4/5
- phosphorylation by NTRK1 is induced by nerve growth factor (NGF) ( putative)
Structure
- transmembrane domain mediates interaction with NTRK1
- contains 12 ANK repeats
Compartment
- membrane ( putative)
Alternative-splicing
- named isoforms=5
Expression
- abundant in developing & adult neural tissues
Pathology
- overexpressed in melanoma & melanoma cell lines
More General Terms
Internet Database
Kegg: [1]
Prosite: [2]
Prosite: [3]
UniProt: [4]
References
UniProt [5]
