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RAB8A
The protein encoded by this gene is a member of the RAS superfamily which are small GTP/GDP-binding proteins with an average size of 200 amino acids. The RAS-related proteins of the RAB/YPT family may play a role in the transport of proteins from the endoplasmic reticulum to the Golgi and the plasma membrane. This protein shares 97%, 96%, and 51% similarity with the dog RAB8, mouse MEL, and mouse YPT1 proteins, respectively and contains the 4 GTP/GDP-binding sites that are present in all the RAS proteins. The putative effector-binding site of this protein is similar to that of the RAB/YPT proteins. However, this protein contains a C-terminal CAAX motif that is characteristic of many RAS superfamily members but which is not found in YPT1 and the majority of RAB proteins. Although this gene was isolated as a transforming gene from a melanoma cell line, no linkage between MEL and malignant melanoma has been demonstrable. This oncogene is located 800 kb distal to MY09B on chromosome 19p13.1.
Predicted location
Intracellular
Single cell type specificity
Low cell type specificity
Immune cell specificity
Low immune cell specificity
Cell line specificity
Low cell line specificity
Interaction
Interacts (GTP-bound form) with MICALL1; regulates RAB8A association with recycling endosomes (By similarity). Interacts with MICALL2; competes with RAB13 and is involved in E-cadherin endocytic recycling (By similarity). Interacts (GTP-bound form) with MICAL1, MICALCL, MICAL3, EHBP1 and EHBP1L1; at least in case of MICAL1, MICALCL, MICAL3 and EHBP1L1 two molecules of RAB8A can bind to one molecule of the effector protein; ternary complexes of RAB8A, RAB13 and either MICAL1 or EHBP1L1 are possible (PubMed:27552051). Interacts with EHD1 (PubMed:19864458). Interacts with MAP4K2 and SYTL4 (By similarity). Interacts with SGSM1 and SGSM3 (By similarity). Interacts with RABIF, RIMS2, RPH3A and RPH3A (By similarity). Interacts with OPTN (PubMed:15837803). Interacts with RAB3IP (PubMed:12221131). Interacts with MYO5B (PubMed:21282656). Interacts with PIFO (PubMed:20643351). Interacts with BIRC6/bruce (PubMed:18329369). Interacts with OCRL (PubMed:22543976, PubMed:21378754). Interacts with AHI1 (By similarity). Interacts with DCDC1 (PubMed:22159412). Interacts with LRRK2; interaction facilitates phosphorylation of Thr-72 (PubMed:26824392). Interacts with RAB31P, GDI1, GDI2, CHM, CHML, RABGGTA, RABGGTB, TBC1D15 and INPP5B; these interactions are dependent on Thr-72 not being phosphorylated (PubMed:26824392, PubMed:29125462). Interacts with RILPL1 and RILPL2; these interactions are dependent on the phosphorylation of Thr-72 by LRRK2 (PubMed:29125462, PubMed:30398148). Interacts with DZIP1; prevents inhibition by the GDP-dissociation inhibitor GDI2 (PubMed:25860027).
More Types Infomation
- Mouse Anti-Human Rab8 Antibody (MOB-012CQ)
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- Species Reactivity: Human
- Type: Mouse IgG
- Application: ELISA, WB, FC
- Mouse Anti-RAB8A Recombinant Antibody (VS3-CJ1072) (VS3-CJ1072)
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- Species Reactivity: Human, Mouse
- Type: Mouse IgG1, κ
- Application: WB
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For Research Use Only. Not For Clinical Use.