At5g42430 Antibody

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Description

Gene and Protein Characteristics

The At5g42430 gene encodes an F-box and associated interaction domains-containing protein involved in protein degradation via the ubiquitin-proteasome system . Key features include:

AttributeDetails
Gene IDAT5G42430
UniProt IDQ9FIH4
Protein ClassF-box protein; part of the SCF (Skp1-Cullin-F-box) E3 ubiquitin ligase complex
Molecular FunctionSubstrate recognition in ubiquitination pathways
Biological ProcessRegulation of cellular processes (e.g., signal transduction, stress response)

F-box proteins typically mediate protein-protein interactions, targeting specific substrates for proteasomal degradation .

Research Applications and Targets

The At5g42430 antibody facilitates studies on:

  • Protein Localization: Subcellular distribution of the F-box protein in plant tissues.

  • Interaction Networks: Identification of binding partners in ubiquitination pathways.

  • Functional Knockdown: Assessing phenotypic changes in At5g42430 knockout mutants.

Identified Targets:
From chromatin immunoprecipitation (ChIP) and interaction studies, At5g42430 potentially regulates genes encoding :

Target LocusGene ProductFunction
AT2G16750Kinase with adenine nucleotide hydrolase-like domainMetabolic regulation
AT5G05720RNA-binding family proteinPost-transcriptional modification
AT1G44760Adenine nucleotide alpha hydrolases-like proteinNucleotide metabolism

Challenges in Antibody Specificity

While no direct data on At5g42430 antibody cross-reactivity exists, broader antibody validation challenges include:

  • Cross-Reactivity: Antibodies may bind unintended proteins of similar molecular weight (e.g., anti-GR antibody clone 5E4 binds AMPD2/TRIM28) .

  • Validation Methods: Recommendations include knockdown assays, immunocapture-mass spectrometry, and orthogonal validation .

Product Specs

Buffer
Preservative: 0.03% Proclin 300
Composition: 50% Glycerol, 0.01M Phosphate Buffered Saline (PBS), pH 7.4
Form
Liquid
Lead Time
Made-to-order (14-16 weeks)
Synonyms
At5g42430 antibody; MDH9.12Putative F-box protein At5g42430 antibody
Target Names
At5g42430
Uniprot No.

Q&A

FAQs for Researchers on At5g42430 Antibody in Arabidopsis thaliana

Advanced Research Questions

  • How to resolve contradictions in At5g42430 antibody binding across different plant stress conditions?

    • Analysis framework:

      • Conduct competitive ELISA with stress-induced protein extracts to test cross-reactivity with homologous F-box proteins .

      • Use cross-linking immunoprecipitation (CLIP) to identify interacting partners under specific stressors (e.g., drought, pathogen exposure) .

      • Compare RNA-seq data to confirm transcript levels align with protein detection trends .

  • What computational tools predict At5g42430 antibody-epitope binding dynamics?

    • Approach:

      • Apply biophysics-informed models (e.g., RosettaAntibody) to simulate interactions between At5g42430’s F-box domain and antibody paratopes .

      • Validate predictions via alanine scanning mutagenesis of predicted epitope residues.

Data Integration & Validation

  • How to harmonize conflicting omics datasets involving At5g42430?

    • Strategy:

      • Multi-omics correlation: Align proteomics (antibody-based) with transcriptomics (RNA-seq) and phosphoproteomics data to identify post-translational regulation .

      • Meta-analysis: Compare public datasets (e.g., TAIR, Araport) for consensus expression patterns across tissues/stages .

Technical Challenges

  • Why does At5g42430 antibody yield nonspecific signals in root tissue?

    • Troubleshooting:

      • Test tissue-specific blocking buffers (e.g., 5% BSA + 2% plant-specific protease inhibitors).

      • Use fluorescence-activated cell sorting (FACS) to isolate root cell populations before immunodetection .

Functional Studies

  • How to dissect At5g42430’s role in ubiquitination pathways?

    • Experimental pipeline:

      1. Perform co-IP/MS with At5g42430 antibody to identify E3 ligase complexes.

      2. Use in vitro ubiquitination assays with recombinant proteins (e.g., UBA1, UBC10) .

      3. Profile ubiquitination sites via LC-MS/MS in At5g42430 mutants.

Cross-Species Applications

  • Can At5g42430 antibody cross-react with orthologs in Brassica species?

    • Validation steps:

      • Align At5g42430’s epitope region with Brassica proteomes (e.g., BLASTp).

      • Test antibody on heterologous expression systems (e.g., Nicotiana benthamiana transient assays) .

Table: Key Features of At5g42430

PropertyDetailSource
Gene IDAT5G42430 (Arabidopsis thaliana)
Protein classF-box and associated interaction domains
Subcellular localizationNucleus/Cytoplasm (predicted)
Common interactorsSKP1-like proteins, Cullin scaffolds

Methodological Recommendations

  • For low-abundance targets, combine antibody-based enrichment (e.g., immunoprecipitation) with tandem mass spectrometry .

  • Address batch variability by including internal controls (e.g., constitutively expressed reference proteins) in all experiments .

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