Search Thermo Fisher Scientific
Search Thermo Fisher Scientific
Immunogen sequence: QLKVDLAVT RDEAAKLQTT KVKKPTGTRN LYLAREGLIR AGTKAAEGVS AADMAKRERF ELLKHQKLKD QNIFVSRTRL CLHNLPKAVD DKQLRKLLLS ATSGEKGVRI KECRVMRDLK GVHGNMKGQS LGYAFAEFQE HEHALKALRL INNNPEIFGP LKRPIVEFSL EDRRKLKMKE LRIQRSLQKM RSKPATGEPQ KGQPEPAKDQ QQKAAQHHTE EQSKVPPEQK RKAGSTSWTG FQTKAEVEQV ELPDGKKRRK VLALPSHRGP KIRLRDKGKV KPVHPKKPKP QINQWKQEKQ QLSSEQVSRK KAKGNKTETR FNQLVEQYKQ KLLGPSKGAP LAKRSKWFDS (411-760 aa encoded by BC013889)
Phosphoinositide-binding protein which associates with both cell and endoplasmic reticulum (ER) membranes. Can bind to the ER membrane protein VAPA and recruit VAPA to plasma membrane sites, thus linking these intracellular compartments. The ORP3-VAPA complex stimulates RRAS signaling which in turn attenuates integrin beta-1 (ITGB1) activation at the cell surface. With VAPA, may regulate ER morphology. Has a role in regulation of the actin cytoskeleton, cell polarity and cell adhesion. Binds to phosphoinositides with preference for PI(3,4)P2 and PI(3,4,5)P3. Also binds 25-hydroxycholesterol and cholesterol.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Protein Aliases: 2810480G15Rik; RNA-binding motif protein 28; RNA-binding protein 28
Gene Aliases: 2810480G15Rik; AI503051; ANES; RBM28
UniProt ID: (Human) Q9NW13, (Mouse) Q8CGC6
Entrez Gene ID: (Human) 55131, (Rat) 312182, (Mouse) 68272
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