Recombinant Human GMEB2 Protein: Properties & Lab Guide

Recombinant Human GMEB2 Protein is a research-grade recombinant protein representing the glucocorticoid modulatory element binding protein 2, intended for use in biochemical, transcriptional, and protein interaction studies.

Product Name

Recombinant Human GMEB2 Protein

SKU

rp375080

Protein Origin

Human (Homo sapiens)

Protein Type

Recombinant, transcriptional regulatory protein

Primary Application

Biochemical assays, transcription factor studies, protein-protein interaction research

Storage Recommendation

Avoid repeated freeze-thaw cycles; follow supplier's datasheet instructions

Supplier

Aladdin Scientific

What Is GMEB2 and Why Does It Matter in Research?

GMEB2 (Glucocorticoid Modulatory Element Binding Protein 2) is a nuclear protein that plays a critical role in the modulation of glucocorticoid receptor-mediated transcription. It belongs to a family of DNA-binding proteins that recognize and bind glucocorticoid modulatory elements (GMEs) within gene promoters, thereby influencing the transcriptional output of glucocorticoid-responsive genes.

GMEB2 has been studied in contexts including apoptosis regulation, viral replication (notably parvovirus), and stress-response gene expression. Its ability to interact with multiple transcriptional partners makes it a valuable target for understanding gene regulatory networks in human disease models. Researchers studying glucocorticoid signaling, nuclear receptor biology, or transcriptional co-regulation will find Recombinant Human GMEB2 Protein (rp375080) a relevant tool for in vitro studies.

Handling and Reconstitution Guidelines

Proper handling of Recombinant Human GMEB2 Protein is essential to preserve its biological activity and structural integrity. The following best practices are recommended for all users:

• Reconstitution: Centrifuge the vial briefly before opening to consolidate the lyophilized material. Reconstitute in the buffer specified on the product datasheet, typically a physiologically compatible buffer such as PBS (pH 7.4) supplemented with a carrier protein (e.g., 0.1% BSA) to enhance stability.
• Aliquoting: After reconstitution, divide the protein into single-use aliquots to minimize exposure to repeated freeze-thaw cycles, which can cause aggregation and loss of activity.
• Storage: Store aliquots at −80 °C for long-term preservation. Working stocks may be kept at −20 °C for short-term use. Always follow the specific storage instructions provided on the Aladdin Scientific product datasheet for rp375080.
• Avoid: Vortexing the protein solution vigorously, as this may cause denaturation. Use gentle mixing or pipetting instead.

Always consult the official product datasheet for lot-specific reconstitution volumes, concentration, and buffer composition.

Experimental Applications of Recombinant Human GMEB2 Protein

Recombinant Human GMEB2 Protein (rp375080) is suitable for a range of in vitro research applications, including but not limited to:

• Electrophoretic Mobility Shift Assay (EMSA): GMEB2 can be used to evaluate its DNA-binding activity toward glucocorticoid modulatory elements in promoter regions.
• Co-immunoprecipitation (Co-IP) and Pull-Down Assays: The recombinant protein serves as bait or prey to identify novel protein-protein interaction partners within glucocorticoid signaling or transcriptional regulatory complexes.
• Western Blot (WB) as a Positive Control: Recombinant GMEB2 can serve as a positive control or standard in Western blot experiments to validate antibody specificity.
• In Vitro Transcription Assays: Useful for evaluating the modulatory role of GMEB2 on glucocorticoid receptor-driven transcriptional activity in cell-free systems.
• Structural and Biochemical Studies: The purified protein may support crystallography or biophysical characterization efforts aimed at understanding GMEB2 domain function.

Researchers should validate experimental conditions including protein concentration, buffer compatibility, and assay-specific controls prior to full-scale experiments.

Quality Considerations and Experimental Controls

To ensure reliable and reproducible results when working with Recombinant Human GMEB2 Protein, researchers should consider the following quality checkpoints:

• Purity Assessment: Confirm protein purity by SDS-PAGE prior to use in sensitive assays. The expected purity level should be noted on the product datasheet. Contaminants such as host cell proteins or endotoxins may interfere with transcription-based or cell-based assays.
• Endotoxin Testing: If the protein is to be used in cell-based assays, verify endotoxin levels. Elevated endotoxin can confound results by activating innate immune pathways.
• Activity Verification: Where possible, include a functional activity test (e.g., DNA binding by EMSA or known interaction partner pull-down) to confirm that the protein is active prior to committing to large-scale experiments.
• Lot-to-Lot Consistency: When changing between product lots, run parallel comparisons to ensure experimental reproducibility across batches.
• Negative and Positive Controls: Always include appropriate controls in assays — a negative control (e.g., buffer alone or irrelevant protein) and, where available, a validated positive control.

Contact Aladdin Scientific's technical support team for lot-specific quality data or application notes relevant to rp375080.

Ordering, Storage, and Technical Support Information

Recombinant Human GMEB2 Protein is available from Aladdin Scientific under SKU rp375080. Researchers and procurement managers can place orders through the Aladdin Scientific website or by contacting the sales team directly.

Key ordering considerations:

• Review the product datasheet for available sizes, concentration, formulation, and recommended applications before ordering.
• For bulk or custom requirements, contact Aladdin Scientific's sales team to discuss options.
• Ensure that appropriate cold-chain shipping arrangements are in place, as recombinant proteins require temperature-controlled logistics.

Technical Support: Aladdin Scientific provides technical support for product-specific questions. If you encounter issues with reconstitution, activity, or experimental results, reach out to the technical support team with your lot number and experimental details for prompt assistance.

Returns and Quality Concerns: In the event of product quality concerns upon receipt (e.g., compromised packaging, unexpected appearance), contact Aladdin Scientific customer service as soon as possible and retain all shipping documentation.

Frequently asked questions

What is GMEB2 and what is the function of the recombinant protein?

GMEB2 (Glucocorticoid Modulatory Element Binding Protein 2) is a nuclear transcriptional regulatory protein that binds glucocorticoid modulatory elements in gene promoters to modulate glucocorticoid receptor-driven transcription. The recombinant form (rp375080) produced by Aladdin Scientific enables researchers to study this protein's DNA-binding, protein interaction, and transcriptional regulatory activities in vitro without requiring endogenous expression systems.

How should Recombinant Human GMEB2 Protein be stored after reconstitution?

After reconstitution, the protein should be aliquoted into single-use volumes and stored at −80 °C for long-term preservation. Short-term working stocks may be kept at −20 °C. Repeated freeze-thaw cycles should be avoided as they can lead to protein aggregation and loss of biological activity. Always refer to the specific storage conditions stated on the Aladdin Scientific product datasheet for rp375080.

What assays is Recombinant Human GMEB2 Protein (rp375080) validated or suitable for?

Recombinant Human GMEB2 Protein is suitable for multiple in vitro applications including EMSA (for DNA-binding studies), co-immunoprecipitation and pull-down assays (for protein-protein interaction studies), Western blot as a positive control standard, and in vitro transcription assays. Researchers should verify suitability for their specific assay format and conditions by consulting the product datasheet and, if needed, contacting Aladdin Scientific technical support.

How can I verify the activity of the recombinant GMEB2 protein before starting my experiment?

Activity can be verified using a functional assay appropriate to the protein's known biology. For GMEB2, an EMSA using a validated glucocorticoid modulatory element oligonucleotide probe or a pull-down with a known binding partner are commonly used approaches. Including a lot-specific positive control from the product datasheet data is also recommended. Contact Aladdin Scientific for any available lot-specific activity data.

Is Recombinant Human GMEB2 Protein suitable for cell-based assays?

Recombinant Human GMEB2 Protein is primarily intended for in vitro biochemical assays. If cell-based applications are planned, endotoxin levels in the product lot must be verified first, as elevated endotoxin can activate innate immune pathways and confound results. Consult the product datasheet or contact Aladdin Scientific technical support for endotoxin and formulation details specific to rp375080.

References

1. Characterization of glucocorticoid modulatory element binding proteins: potential regulators of glucocorticoid receptor-mediated transcription. General reference — textbook-level knowledge on GMEB protein family function.
2. Aladdin Scientific. Recombinant Human GMEB2 Protein. Product datasheet, SKU rp375080. Aladdin Scientific.

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