HYP2 Antibody

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Description

Introduction to HIVEP2 Antibody

HIVEP2 Antibody detects endogenous levels of the transcription factor HIVEP2, which binds regulatory regions of genes linked to metastasis, viral responses, and cellular differentiation . This antibody is widely used in research applications such as Western blotting, immunohistochemistry, and ELISA to study HIVEP2's role in diseases like cancer and autoimmune disorders.

Biological Function of HIVEP2

HIVEP2 (Human Immunodeficiency Virus Enhancer-Binding Protein 2) is characterized by:

  • Structural features: A ZAS domain with zinc finger motifs, acidic amino acid stretches, and serine/threonine-rich sequences .

  • Functional roles:

    • Regulation of angiotensinogen and c-myc genes.

    • Interaction with MHC-binding proteins to modulate immune responses.

    • Involvement in developmental pathways (e.g., Shn-2 in bone formation) .

4.1. Disease Associations

  • Cancer: HIVEP2 regulates oncogenes like c-myc and is implicated in metastasis .

  • Autoimmunity: May modulate MHC-mediated immune activation pathways.

4.2. Technical Considerations

  • Validation: Antibody specificity is confirmed via knockout/knockdown controls.

  • Limitations: Not for diagnostic use; research-grade only .

Comparative Insights

While the provided sources lack direct studies on HIVEP2 Antibody, broader antibody research highlights:

  • Antibody structure: Hypervariable CDR3 regions enable antigen specificity .

  • Diagnostic challenges: High inter-observer variability in assays (e.g., ANA testing) .

  • Serological applications: Antibody titers correlate with disease likelihood ratios .

Product Specs

Buffer
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, pH 7.4
Form
Liquid
Lead Time
Made-to-order (12-14 weeks)
Synonyms
HYP2 antibody; TIF51A antibody; YEL034W antibody; SYGP-ORF21Eukaryotic translation initiation factor 5A-1 antibody; eIF-5A-1 antibody; Hypusine-containing protein HP2 antibody; eIF-4D antibody
Target Names
HYP2
Uniprot No.

Target Background

Function
HYP2 is an mRNA-binding protein that plays a crucial role in translation elongation. It exhibits significant involvement in mRNA turnover, likely functioning downstream of decapping. HYP2 is implicated in actin dynamics, cell cycle progression, mRNA decay, and potentially a pathway associated with stress response and maintenance of cell wall integrity. It is essential for polarized growth, a process critical for G1/S transition. HYP2 may mediate a wide range of effects of the polyamine spermidine within the cell.
Gene References Into Functions
  1. The ability of eIF5A from tif51A-4 to bind to the ribosome, while potentially blocking physical interaction with P-tRNA, could explain its dominant negative phenotype. PMID: 27388480
  2. Research indicates that the requirement of translation elongation factor eIF-5A (eIF5A) for polyproline synthesis is imposed by proline, not by tRNAPro. PMID: 28637321
  3. eIF5A facilitates translation termination globally and promotes the elongation of numerous non-polyproline-specific tripeptide sequences. PMID: 28549188
  4. eIF5A significantly promotes the translation of stalling sequences identified through profiling and increases the rate of peptidyl-tRNA hydrolysis more than 17-fold. PMID: 28392174
  5. tRNA. These findings would support a model whereby eIF-5A stimulates peptide bond formation on polyproline-stalled ribosomes by stabilizing and orienting the CCA-end of the P-tRNA. PMID: 26715760
  6. Our findings identify eIF5A as a novel and essential regulator of yeast mating through formin translation. PMID: 24923804
  7. The eIF5A dimer is L-shaped and superimposable on the tRNA(Phe) tertiary structure, analogous to the EF-P monomer. PMID: 22945904
  8. Pkc1 and eIF5A are involved in establishing actin polarity, which is essential for bud formation and G1/S transition in S. cerevisiae. PMID: 16157662
  9. Data revealed significant structural features of eIF5A that are required for its vital role in cell viability and underscored an essential function of eIF5A in the translation step of gene expression. PMID: 18341589
  10. A study demonstrates that hypusinated yeast eIF5A exists as a homodimer, where dimerization requires hypusine and is RNA-dependent. PMID: 19120453
  11. Collectively, these results not only reinforce the role of eIF5A in translation but also strongly support a function for eIF5A in the elongation step of protein synthesis. PMID: 19338753
  12. eIF5A promotes translation elongation. PMID: 19424157

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Database Links

KEGG: sce:YEL034W

STRING: 4932.YEL034W

Protein Families
EIF-5A family
Subcellular Location
Cytoplasm. Note=Concentrates in the perinuclear region.

Q&A

What is HYP2 antibody and what are its key characteristics?

HYP2 antibody is a rabbit polyclonal antibody that targets the HYP2 protein. It is supplied as a purified antibody preparation using Protein A/G chromatography and is available in liquid form. The commercial preparations typically include recombinant immunogen protein/peptide (200 μg) that can serve as a positive control for validation experiments .

What applications has HYP2 antibody been validated for?

According to available information, HYP2 antibody has been validated for enzyme-linked immunosorbent assay (ELISA) and Western blotting (WB) applications. These methods allow for both quantitative and qualitative detection of the target protein in various sample types .

What are the proper storage and handling conditions for HYP2 antibody?

HYP2 antibody should be stored at -20°C or -80°C upon receipt. The antibody is typically provided in a solution containing 50% glycerol and 0.03% Proclin 300 as a preservative. Repeated freeze-thaw cycles should be avoided to maintain antibody integrity and activity .

How should I design validation experiments for HYP2 antibody in my specific application?

When validating HYP2 antibody for your specific application, include:

  • Positive control using the supplied recombinant immunogen

  • Negative controls (samples known not to express the target)

  • Dilution series to determine optimal working concentration

  • Comparison with alternative detection methods when possible

For quantitative applications like ELISA, generate a standard curve using purified antigen to ensure accuracy in your measurements.

What concentrations of HYP2 antibody are typically effective for different applications?

While optimal concentrations should be determined empirically for each experimental setup, typical starting dilutions for polyclonal antibodies like HYP2 include:

ApplicationRecommended Starting DilutionOptimization Range
Western Blot1:10001:500 - 1:5000
ELISA1:50001:1000 - 1:10000

Titration experiments are essential to determine the optimal signal-to-noise ratio for your specific experimental conditions.

How should I design appropriate controls when using HYP2 antibody in my experiments?

Proper experimental controls should include:

  • No primary antibody control (to assess secondary antibody non-specific binding)

  • Isotype control (rabbit IgG at the same concentration)

  • Blocking peptide competition (using the immunogen to confirm specificity)

  • Positive and negative tissue/cell samples (with known expression profiles)

These controls help validate specificity and rule out potential artifacts in your experimental system.

How can I optimize Western blot protocols specifically for HYP2 antibody?

For optimal Western blot results with HYP2 antibody:

  • Transfer proteins using standard PVDF or nitrocellulose membranes

  • Block with 5% non-fat milk or BSA in TBST for 1 hour at room temperature

  • Incubate with optimized dilution of HYP2 antibody (typically 1:1000 as a starting point) overnight at 4°C

  • Wash extensively with TBST (at least 3 × 10 minutes)

  • Incubate with HRP-conjugated anti-rabbit secondary antibody

  • Develop using enhanced chemiluminescence

Optimization steps might include adjusting antibody concentration, incubation time, temperature, and blocking reagents to maximize signal-to-noise ratio.

What are the key considerations for using HYP2 antibody in multiplex immunoassays?

When incorporating HYP2 antibody into multiplex bead assays or other multiplex formats:

  • Validate for cross-reactivity with other antibodies in the panel

  • Optimize signal strength to match the dynamic range of other analytes

  • Assess potential matrix effects from complex biological samples

  • Determine if direct labeling of the primary antibody improves assay performance

Multiplex bead assays have been successfully used for antibody responses against multiple targets simultaneously, as demonstrated in malaria epidemiological studies .

How should I approach epitope mapping studies using HYP2 antibody?

For epitope mapping with HYP2 polyclonal antibody:

  • Generate a peptide array covering the full sequence of the target protein

  • Perform binding assays using HYP2 antibody against the peptide array

  • Identify regions showing strong binding signals

  • Confirm findings using competition assays with identified peptides

  • Consider computational modeling of antibody-antigen interactions to further characterize binding sites

This approach helps identify the specific regions of the target protein recognized by the polyclonal antibody population.

What are common causes of false negative results when using HYP2 antibody, and how can they be addressed?

False negative results may occur due to:

  • Protein denaturation affecting epitope accessibility

  • Insufficient antigen in the sample

  • Antibody degradation due to improper storage

  • Inefficient transfer in Western blotting

  • Interference from sample components

Resolution strategies include:

  • Using native conditions where possible

  • Loading more protein or concentrating samples

  • Validating antibody activity with positive controls

  • Optimizing transfer conditions (time, buffer, voltage)

  • Sample cleanup to remove interfering components

How can I address high background issues when using HYP2 antibody?

To reduce high background:

  • Increase blocking time or concentration of blocking agent

  • Optimize antibody dilution (often using more dilute antibody solutions)

  • Increase washing steps (number, duration, or stringency)

  • Pre-absorb the antibody with irrelevant proteins

  • Use more specific secondary antibodies

  • Add non-ionic detergents to washing buffers

Systematic optimization of these parameters can significantly improve signal-to-noise ratio.

What approaches can help resolve inconsistent results between batches of HYP2 antibody?

Batch-to-batch variation is a common challenge with polyclonal antibodies. To address this:

  • Standardize your experimental protocol rigorously

  • Maintain reference samples to compare batch performance

  • Consider purchasing larger lots of antibody when available

  • Validate each new batch against known positive and negative controls

  • Normalize results to internal standards

Implementing these practices helps maintain experimental consistency across studies.

How can I use HYP2 antibody in single-cell analysis techniques?

For single-cell applications with HYP2 antibody:

  • Optimize fixation and permeabilization protocols to maintain cellular architecture while allowing antibody access

  • Validate antibody performance in immunofluorescence before proceeding to more complex techniques

  • For flow cytometry applications, titrate antibody concentration against cell number

  • When using in mass cytometry (CyTOF), ensure metal conjugation doesn't affect binding properties

  • For spatial proteomics, verify that tissue-specific factors don't interfere with binding

These applications require rigorous validation but can provide valuable spatial and temporal information about target expression.

What considerations are important when designing antibody-based biomarker studies using HYP2 antibody?

When developing biomarker applications:

  • Establish analytical validation metrics (sensitivity, specificity, reproducibility)

  • Determine the reference range in appropriate control populations

  • Assess pre-analytical variables (sample collection, processing, storage)

  • Evaluate potential confounding factors

  • Compare performance against existing biomarkers

Antibody-based assays have been successfully used in epidemiological studies for disease surveillance, such as in malaria elimination efforts .

How can I adapt HYP2 antibody for use in high-throughput screening applications?

For high-throughput screening:

  • Optimize antibody concentration for miniaturized formats

  • Validate assay performance in 384 or 1536-well formats

  • Establish robust Z' factors to ensure assay quality

  • Develop automated analysis pipelines

  • Implement quality control measures for reagent consistency

Recent advances in high-throughput experimentation have enabled screening of large antibody libraries, which could be applied to studies involving HYP2 antibody .

How can artificial intelligence approaches enhance HYP2 antibody-based research?

AI can enhance antibody-based research through:

  • Prediction of optimal epitopes and binding conditions

  • Analysis of complex multiplex data

  • Identification of subtle patterns in large datasets

  • Optimization of experimental conditions through machine learning

  • De novo design of complementary antibodies targeting different epitopes

Recent work has demonstrated the potential of generative AI for de novo antibody design, creating diverse binding molecules with high affinity and favorable developability profiles .

What are the considerations for using HYP2 antibody in combination with quantitative proteomics approaches?

When integrating with proteomics:

  • Validate that sample preparation methods preserve the target epitope

  • Consider immunoprecipitation followed by mass spectrometry to identify interaction partners

  • Use isotopically labeled standards for absolute quantification

  • Assess matrix effects in complex biological samples

  • Combine with orthogonal detection methods for comprehensive analysis

This integrated approach provides both targeted detection and broader proteomic context.

How can I validate HYP2 antibody specificity using gene editing technologies?

Modern gene editing approaches for antibody validation include:

  • CRISPR/Cas9 knockout of the target gene in relevant cell lines

  • Creation of epitope-tagged endogenous proteins

  • Generation of isogenic cell lines with varying target expression levels

  • Inducible expression systems to create controlled positive controls

  • Domain-specific modifications to map binding regions

These approaches provide powerful controls to confirm antibody specificity and performance.

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