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Please note: We are reviewing Western blot images included in the antibody testing data in our catalog, including those provided by third parties. Unless expressly labeled or annotated as “raw-unedited”, Western blot images included in the antibody testing data in our catalog may have been edited, optimized or otherwise adjusted for presentation.
This antibody is predicted to react with mouse based on 100% sequence homology.
In Western blot, this antibody is specific for the ~82 kDa rabphilin protein phosphorylated at Ser234. Immunolabeling is blocked by the phosphopeptide used as the antigen but not by the corresponding dephosphopeptide.
The carboxy-terminal of rabphilin-3A consists of two C2 domains, A and B, and the amino-terminal (residues 45-170) contains a cysteine-rich rich region with two zinc finger motifs. Rabphilin-3A belongs to a family of other carboxyterminal type (C-type) tandem C2 proteins, which includes synaptotagmins and Doc2. Rabphilin is expressed in neuroendocrine cells and co-localizes with Rab3A on synaptic vesicles and chromaffin granules. Rabphilin-3A binds Rab3a/GTP/Mg+ within amino-terminal residues 45 and 170. Rabphilin-3A binds calcium ions and phosphatidylinositol 4,5-bisphophate containing lipid vesicles within its C2 domains. Rabphilin-3A is a positive regulator of calcium dependent exocytosis, while Rab3a is a negative regulator of exocytosis. Although rabphilin-3A associates with Rab3a, they seem to influence exocytosis independently of each other. Rabphilin-3A effects are likely mediated through interactions with an unknown factor that recognizes the Rab3 binding domain.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: Exophilin 1; Exophilin-1; Exophilin1; rabphilin 3A homolog; Rabphilin-3A
基因别名: Rph3a
UniProt ID: (Rat) P47709
Entrez Gene ID: (Rat) 171039