Recombinant Human RAB23 Protein

Beta LifeScience SKU/CAT #: BLA-7532P

Recombinant Human RAB23 Protein

Beta LifeScience SKU/CAT #: BLA-7532P
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Product Overview

Host Species Human
Accession Q9ULC3
Synonym DKFZp781H0695 HSPC137 MGC8900 Rab 23 RAB family small GTP binding protein RAB 23 Rab23 RAB23, member RAS oncogene family RAB23_HUMAN Ras related protein Rab 23 Ras-related protein Rab-23
Description Recombinant Human RAB23 Protein was expressed in E.coli. It is a Full length protein
Source E.coli
Molecular Weight 29 kDa including tags
Purity Greater than 90% SDS-PAGE
Endotoxin < 1.0 EU per μg of the protein as determined by the LAL method
Formulation Liquid Solution
Stability The recombinant protein samples are stable for up to 12 months at -80°C
Reconstitution See related COA
Unit Definition For Research Use Only
Storage Buffer Shipped at 4°C. Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C or -80°C. Avoid freeze / thaw cycle.

Target Details

Target Function The small GTPases Rab are key regulators of intracellular membrane trafficking, from the formation of transport vesicles to their fusion with membranes. Rabs cycle between an inactive GDP-bound form and an active GTP-bound form that is able to recruit to membranes different set of downstream effectors directly responsible for vesicle formation, movement, tethering and fusion. Together with SUFU, prevents nuclear import of GLI1, and thereby inhibits GLI1 transcription factor activity. Regulates GLI1 in differentiating chondrocytes. Likewise, regulates GLI3 proteolytic processing and modulates GLI2 and GLI3 transcription factor activity. Plays a role in autophagic vacuole assembly, and mediates defense against pathogens, such as S.aureus, by promoting their capture by autophagosomes that then merge with lysosomes.
Subcellular Location Cell membrane; Lipid-anchor; Cytoplasmic side. Cytoplasm. Cytoplasmic vesicle, autophagosome. Endosome membrane. Cytoplasmic vesicle, phagosome. Cytoplasmic vesicle, phagosome membrane; Lipid-anchor; Cytoplasmic side.
Protein Families Small GTPase superfamily, Rab family
Database References
Associated Diseases Carpenter syndrome 1 (CRPT1)

Gene Functions References

  1. Genetic variants in RAB23 and ANXA11 genes were associated with an increased risk of sarcoidosis-associated uveitis. PMID: 29416296
  2. miR-429 was down-regulated in hepatocellular carcinoma (HCC) tissues and cells. Up regulation of miR-429 decreased the migratory capacity and reversed the EMT to MET in HCC cells. RAB23 was confirmed as a target of miR-429. PMID: 29191386
  3. Down-regulation of Rab23 suppressed the proliferation, migration and invasion of prostate cancer cells. PMID: 28277196
  4. Rab23 serves as an important oncoprotein in human astrocytoma by regulating cell invasion and migration through Rac1 activity PMID: 26897750
  5. High Rab23 expression is associated with bladder cancer. PMID: 26715272
  6. Forced expression of MiR-92b decreased the mRNA and protein level of RAB23, and RAB23 rescued the biological functions of miR-92b. Taken together, this study revealed the oncogenic roles and the regulation of RAB23 in esophageal squamous cell carcinoma, suggesting RAB23 might be a therapeutic target PMID: 27659550
  7. Rab23 enhance squamous cell carcinoma cell invasion via up-regulating Rac1. PMID: 26648292
  8. Rab23 is expressed in breast cancer cells, and ectopic expression of Rab23 inhibits the growth and proliferation as well as induces cell apoptosis in breast cancer cells These effects may be due to the inhibition by Rab23 of Gli1 and Gli2 mRNA expression PMID: 26238143
  9. Data indicate the essential role of GTP binding protein RAB 23 (Rab23) in pancreatic ductal adenocarcinoma (PDAC) inva-sion, motility and metastasis. PMID: 25867419
  10. Rab23 was a target gene of miR-367, and ectopic expression of Rab23 could reverse the invasion and migration inhibitory activity of miR-367. PMID: 25489984
  11. The inhibition of the Rab23 cycle decreases the expression and nuclear localization of Gli1. PMID: 23007279
  12. Rab23 expression level was the highest in Bcap-37 cells. PMID: 23948406
  13. Rab9A and Rab23 GTPases play crucial roles in autophagy of Group A Streptococcus. PMID: 22452336
  14. association of the 6p12.1 locus with sarcoidosis implicates this locus as a further susceptibility factor and RAB23 as a potential signalling component PMID: 21540310
  15. Carpenter syndrome: extended RAB23 mutation spectrum and analysis of nonsense-mediated mRNA decay PMID: 21412941
  16. A RAB23 mutation (c.86dupA) present in the homozygote state in four relatives of Comorian origin with Carpenter syndrome, is reported. PMID: 20358613
  17. Rab23 is overexpressed and/or activated in hepatocellular carcinoma (HCC). Rab23 may be both a HCC predictor and a target for treating HCC. PMID: 17373734
  18. RAB23 mutations in Carpenter syndrome imply an unexpected role for hedgehog signaling in cranial-suture development. PMID: 17503333
  19. Data show that RAB23 participates in central nervous system development. PMID: 18485483
  20. RAB23 amplifications are associated with gastric cancer PMID: 18559507


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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.

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