常见问题(FAQs)

Recombinant Human GBA3 Protein: FAQs & Key Facts

Recombinant Human GBA3 Protein is a cytosolic beta-glucosidase enzyme produced recombinantly for use in biochemical research, enzyme activity assays, and studies of glycoside metabolism in human biology.

Product Name
Recombinant Human GBA3 Protein
SKU
rp377178
Gene Name
GBA3 (Glucosylceramidase Beta 3; Cytosolic Beta-Glucosidase)
Protein Family
Glycoside Hydrolase Family 1 (GH1)
Biological Function
Hydrolyzes cytosolic beta-glucosides; involved in the metabolism of glycosylated compounds including flavonoid glucosides
Recommended Use
Enzyme activity assays, biochemical studies, substrate specificity profiling, and in vitro functional studies
Storage Recommendation
Store at -20°C or -80°C; avoid repeated freeze-thaw cycles

What Is GBA3 and Why Is It Important in Research?

GBA3, also known as cytosolic beta-glucosidase or glucosylceramidase beta 3, is a member of the Glycoside Hydrolase Family 1 (GH1). Unlike the lysosomal glucocerebrosidase GBA1, GBA3 is localized in the cytosol and is capable of hydrolyzing a broad range of beta-glucosidic bonds. It plays a role in the biotransformation of dietary and xenobiotic glycosides, including flavonoid glucosides, and has been implicated in the regulation of intracellular glucosylceramide levels.

GBA3 is of interest to researchers studying glycoside metabolism, flavonoid bioavailability, and the broader landscape of cytosolic glycoside hydrolases. Understanding GBA3 activity may also contribute to research on metabolic pathways relevant to lipid storage disorders and nutritional biochemistry.

Product Specifications and Quality Information

Aladdin Scientific's Recombinant Human GBA3 Protein (SKU: rp377178) is produced using recombinant expression systems to ensure consistent activity and purity suitable for research applications. Researchers should consult the product datasheet for the most current information regarding host expression system, molecular weight, purity grade, endotoxin levels, and formulation buffer, as these specifications are subject to lot-specific variation.

When evaluating this protein for your application, key parameters to confirm include: (1) purity as determined by SDS-PAGE or HPLC, (2) biological activity confirmed by enzyme activity assay, (3) endotoxin content if the protein is intended for cell-based assays, and (4) formulation and recommended reconstitution conditions.

Storage, Handling, and Stability

Proper storage and handling of Recombinant Human GBA3 Protein are critical to preserving enzymatic activity and preventing protein degradation. General best-practice guidelines for recombinant proteins of this class include:

  • Storage Temperature: Store at -20°C for short-term use or at -80°C for long-term storage.
  • Freeze-Thaw Cycles: Avoid repeated freeze-thaw cycles, which can reduce enzymatic activity. Aliquot the protein upon receipt to minimize freeze-thaw events.
  • Carrier Protein: If provided lyophilized or at low concentration, reconstitution in a buffer containing a carrier protein such as BSA (0.1–0.5%) is recommended to improve stability.
  • Working Conditions: Perform enzymatic assays under conditions appropriate for GH1 family enzymes; consult the datasheet for recommended pH and temperature ranges.

Always refer to the specific lot's Certificate of Analysis (CoA) and product datasheet for precise storage and reconstitution instructions.

Ordering and Technical Support

Recombinant Human GBA3 Protein is available from Aladdin Scientific under SKU rp377178. To place an order or request a quote, contact your local Aladdin Scientific representative or visit the product page on the Aladdin Scientific website.

For technical questions regarding experimental design, application suitability, or troubleshooting, Aladdin Scientific's technical support team is available to assist. When contacting support, please have the following information ready: product SKU, lot number (from the vial label or CoA), intended application, and a description of any issues encountered.

Bulk quantities, custom formulations, or OEM supply inquiries can be directed to our specialized sales team. We are committed to supporting your research with consistent, high-quality recombinant proteins.

Frequently asked questions

What is the difference between GBA3 and GBA1?

GBA1 (glucocerebrosidase) is a lysosomal enzyme responsible for the breakdown of glucosylceramide, and mutations in GBA1 cause Gaucher's disease. GBA3 is a cytosolic beta-glucosidase with broader substrate specificity, capable of hydrolyzing a variety of beta-glucosides including dietary flavonoid glucosides. While both belong to the glycoside hydrolase superfamily, they differ in subcellular localization, primary substrates, and disease associations.

What expression system is used to produce Recombinant Human GBA3 Protein (rp377178)?

The specific expression system used for SKU rp377178 should be confirmed by consulting the current product datasheet or Certificate of Analysis available from Aladdin Scientific. Common expression systems for recombinant glycosidases include E. coli, baculovirus-insect cell, HEK293, and CHO systems, each offering different glycosylation profiles and activity characteristics.

How should I validate the activity of Recombinant Human GBA3 Protein in my assay?

GBA3 activity is commonly measured using fluorogenic substrates such as 4-methylumbelliferyl-beta-D-glucopyranoside (4-MUG), which releases a fluorescent product upon hydrolysis. Ensure that your assay buffer pH and temperature are optimized for GH1 family enzymes, and include appropriate positive and negative controls. Refer to published literature on cytosolic beta-glucosidase assay methods for detailed protocols.

Can Recombinant Human GBA3 Protein be used in cell-based assays?

Use of Recombinant Human GBA3 Protein in cell-based assays requires confirmation of endotoxin levels and formulation compatibility with cell culture conditions. Check the product CoA for endotoxin specifications, and consult Aladdin Scientific technical support if you require additional purity or formulation information for your specific cell-based application.

What is the recommended reconstitution procedure for lyophilized GBA3 protein?

If the product is supplied in lyophilized form, it is generally recommended to reconstitute in sterile, ultrapure water or a compatible buffer (such as PBS, pH 7.4) to the desired concentration. Adding a carrier protein such as BSA (0.1%) can improve stability. Allow the vial to equilibrate at room temperature before reconstitution and mix gently; do not vortex. Always refer to the specific product datasheet for lot-specific reconstitution instructions.

References

  1. Berrin JG, et al. Substrate (aglycone) specificity of human cytosolic beta-glucosidase. Biochemical Journal. 2003.
  2. Zouhar J, et al. Cytosolobeta-glucosidases: phylogenetic and functional overview. Plant and Cell Physiology. 2001.
  3. Glycoside Hydrolase Family 1 (GH1) — CAZy Database. Carbohydrate-Active enZYmes Database.

Products are supplied for research and development use only. Not for use in humans, animals, diagnosis, or therapy.

目录: 常见问题(FAQs)

Da — 若无特别说明,分子量单位默认为道尔顿。   Mw — 重均分子量。   Mn — 数均分子量。

产品仅供科研与开发使用,不用于人体、动物、诊断或治疗。

引用本文

阿拉丁科学.《Recombinant Human GBA3 Protein: FAQs & Key Facts》. 阿拉丁知识库,更新于 2026年11月1日。 https://www.aladdin-e.com/zh_cn/faqs/recombinant-human-gba3-protein-faqs-en.html
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