Human/Mouse Rab7a Antibody Summary
Thr2-Ser204
Accession # P51149
*Small pack size (-SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Applications
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Scientific Data
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Detection of Human and Mouse Rab7a by Western Blot. Western blot shows lysates of SK-Mel-28 human malignant melanoma cell line and B16-F1 mouse melanoma cell line. PVDF membrane was probed with 1 µg/mL of Sheep Anti-Human/Mouse Rab7a Antigen Affinity-purified Polyclonal Antibody (Catalog # AF7789) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for Rab7a at approximately 23 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
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Detection of Human Rab7a by Simple WesternTM. Simple Western shows lysates of SK‑Mel‑28 human malignant melanoma cell line, loaded at 0.5 mg/ml. A specific band was detected for Rab7a at approximately 29 kDa (as indicated) using 50 µg/mL of Sheep Anti-Human/Mouse Rab7a Antigen Affinity-purified Polyclonal Antibody (Catalog # AF7789). This experiment was conducted under reducing conditions and using the 2-40kDa separation system.
Preparation and Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: Rab7a
Rab7a (Ras-related protein Rab 7A; also RAB7) is a 22-24 kDa member of the Rab family, Small GTPase superfamily of proteins. It is widely expressed, and found in cells diverse as skeletal muscle, neurons, osteoclasts and macrophages. Rab7a plays a key role in the formation of phagolysosomes. In particular, Rab7a-GTP becomes associated with early phagosomes. The GTP form of Rab7a first recruits RILP, a molecule that interacts with ORPL1 and promotes the formation of a dynactin:dynein complex. This complex now initiates the movement of the phagosome along microtubules, where it fuses with lysosomes and endosomes at select points, creating phagolysosomes. Human Rab7a is 207 amino acids (aa) in length. It contains multiple Rab family and subfamily motifs, and concludes with a C‑terminal CXC prenylation sequence (aa 205-207). There is one utilized phosphorylation site at Tyr183. Full-length human and mouse Rab7a have identical aa sequences. Notably, however, point mutations with single aa changes are noted in both species. By contrast, human Rab7a and Rab7b share less than 50% aa sequence identity, each representing the product of distinct genes.
Product Datasheets
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