KEGG: spo:SPCC24B10.20
STRING: 4896.SPCC24B10.20.1
SPCC24B10.20 antibody has been validated for Western Blotting (WB) and Enzyme-Linked Immunosorbent Assay (ELISA) applications. These techniques are fundamental for detecting and quantifying the SPCC24B10.20 protein in Schizosaccharomyces pombe samples. When using this antibody for Western blotting, researchers should expect a band at the predicted molecular weight for SPCC24B10.20, though the specific weight is not provided in current literature .
For maximum stability and activity retention, store the SPCC24B10.20 antibody at -20°C or -80°C. Avoid repeated freeze-thaw cycles as these can degrade antibody performance. The antibody is supplied in liquid form with 50% glycerol, 0.01M PBS (pH 7.4), and 0.03% Proclin 300 as a preservative . For long-term storage projects, aliquoting the antibody is recommended to minimize freeze-thaw cycles.
For positive controls, use lysates from wild-type Schizosaccharomyces pombe (strain 972/ATCC 24843) expressing the SPCC24B10.20 protein. For negative controls, utilize SPCC24B10.20 deletion mutants or pre-immune serum. Similar to other antibody validation protocols, comparing signal between wild-type and knockout strains provides definitive evidence of specificity .
For optimal Western blotting results with SPCC24B10.20 antibody:
Sample preparation: Extract proteins using a method that preserves native protein structure, such as glass bead lysis in a non-denaturing buffer
Gel electrophoresis: Use 5-20% SDS-PAGE gradient gels at 70V (stacking)/90V (resolving) for 2-3 hours
Transfer: Transfer proteins to nitrocellulose membrane at 150mA for 50-90 minutes
Blocking: Block with 5% non-fat milk in TBS for 1.5 hours at room temperature
Primary antibody: Incubate with SPCC24B10.20 antibody at 1:500 dilution overnight at 4°C
Washing: Wash membrane with TBS-0.1% Tween 3 times, 5 minutes each
Secondary antibody: Incubate with goat anti-rabbit IgG-HRP at 1:5000 dilution for 1.5 hours at room temperature
Detection: Develop using enhanced chemiluminescence (ECL) detection system
To investigate chromatin association of SPCC24B10.20:
Chromatin fractionation: Separate soluble and chromatin-bound proteins through differential centrifugation and detergent extraction
Chromatin immunoprecipitation (ChIP): Use SPCC24B10.20 antibody to pull down protein-DNA complexes
Comparative proteomic analysis: Apply techniques similar to those described in Wang et al. (2012) for chromatin-bound protein analysis in S. pombe
Microscopy validation: Perform immunofluorescence microscopy with SPCC24B10.20 antibody to visualize nuclear localization
This multi-method approach provides complementary evidence for chromatin association and can reveal context-dependent interactions .
If experiencing cross-reactivity:
Increase washing stringency with higher salt concentrations (150mM to 300mM NaCl) in wash buffers
Perform competitive blocking with purified recombinant SPCC24B10.20 protein
Adjust antibody concentration (try using more diluted antibody)
Test different blocking reagents (BSA vs. milk vs. commercial blockers)
Use knockout or depleted samples as definitive negative controls
Consider peptide competition assays to confirm epitope specificity
Cross-reactivity analysis is critical since antibodies raised against specific epitopes may recognize similar sequences in other proteins .
SPCC24B10.20 (UniProt Q9P7I6) is a protein in Schizosaccharomyces pombe with functions relevant to fundamental cellular processes. While detailed functional information is limited in the current literature, its study is valuable because:
S. pombe is a model organism with conserved molecular mechanisms relevant to human cells
Understanding SPCC24B10.20 may provide insights into chromatin regulation, as suggested by its potential chromatin association
Comparative studies between S. pombe proteins and homologs in other species can reveal evolutionarily conserved functions
Research into S. pombe proteins like SPCC24B10.20 contributes to our understanding of fundamental eukaryotic cellular processes .
The polyclonal nature of SPCC24B10.20 antibody has several implications:
Multiple epitope recognition: Polyclonal antibodies recognize multiple epitopes on the target protein, potentially increasing sensitivity but also raising specificity concerns
Batch variability: Different lots may have varying affinities and epitope specificities
Cross-reactivity potential: Higher chance of recognizing similar epitopes on non-target proteins
Detection robustness: Less affected by epitope masking due to protein conformational changes or post-translational modifications
When designing experiments:
Include proper controls for each new antibody lot
Consider epitope availability in different experimental conditions
Be aware that polyclonal responses may detect modified forms of the protein differentially
For quantitative analysis of SPCC24B10.20:
Western blot quantification:
Use internal loading controls (e.g., tubulin, actin)
Apply densiometric analysis with appropriate software (ImageJ, Image Lab)
Ensure linear detection range through pilot experiments
Normalize to total protein using stain-free technology or Ponceau staining
ELISA-based quantification:
Develop a standard curve using recombinant SPCC24B10.20
Ensure sample dilutions fall within the linear range of detection
Account for matrix effects through spike-and-recovery experiments
Statistical analysis:
To investigate protein-protein interactions of SPCC24B10.20:
Co-immunoprecipitation (Co-IP):
Use SPCC24B10.20 antibody to pull down the protein and its binding partners
Analyze by mass spectrometry or Western blot with antibodies against suspected interactors
Proximity-based labeling:
Create fusion proteins with BioID or APEX2
Identify proteins in close proximity through biotinylation and streptavidin pulldown
Yeast two-hybrid screening:
Use SPCC24B10.20 as bait to screen for interacting proteins
Fluorescence resonance energy transfer (FRET):
Tag SPCC24B10.20 and potential partners with appropriate fluorophores
Measure energy transfer as indicator of protein proximity
These complementary approaches provide a comprehensive view of the protein's interaction network .
To perform ChIP-seq with SPCC24B10.20 antibody:
Experimental design:
Cross-link proteins to DNA in vivo using formaldehyde
Sonicate chromatin to 200-500bp fragments
Immunoprecipitate with SPCC24B10.20 antibody
Reverse cross-links and purify DNA
Prepare sequencing libraries and perform deep sequencing
Controls and validation:
Include input DNA control
Use IgG or pre-immune serum as negative control
Validate enrichment at selected loci by ChIP-qPCR before sequencing
Consider spike-in normalization for quantitative comparisons
Data analysis:
Align reads to S. pombe genome
Call peaks using appropriate algorithms (MACS2, HOMER)
Perform motif analysis to identify potential DNA binding motifs
Correlate binding sites with gene expression data
This approach can determine if SPCC24B10.20 has specific genomic targets, potentially revealing its function in gene regulation .
When comparing results between different SPCC24B10.20 antibodies:
Epitope mapping:
Determine which regions of the protein each antibody recognizes
Consider how epitope location might affect detection in different applications
Validation standards:
Use identical positive and negative controls for each antibody
Test under standardized conditions to enable direct comparisons
Performance metrics to compare:
Sensitivity (limit of detection)
Specificity (cross-reactivity profile)
Signal-to-noise ratio
Reproducibility across experiments
Documentation:
Create a comparative table with standardized metrics
Note batch numbers and validation dates
This systematic approach enables objective assessment of antibody performance for specific applications .
When investigating potential orthologs:
Sequence analysis:
Perform sequence alignment and phylogenetic analysis
Identify conserved domains and motifs
Consider structural predictions for functional conservation
Antibody cross-reactivity assessment:
Test SPCC24B10.20 antibody against recombinant ortholog proteins
Validate with species-specific positive and negative controls
Functional comparison:
Design comparative experiments to test conserved functions
Use complementation studies in knockout/knockdown models
Expression pattern analysis:
Compare tissue/cellular localization between species
Analyze expression under similar experimental conditions
This approach helps establish functional conservation and divergence, providing evolutionary context for SPCC24B10.20's role .
Integration of proteomics with antibody-based approaches:
Antibody-based enrichment for targeted proteomics:
Use SPCC24B10.20 antibody for immunoprecipitation
Analyze by mass spectrometry for interacting partners
Identify post-translational modifications
Validation of proteomics findings:
Confirm mass spectrometry-identified interactions by Co-IP/Western blot
Validate expression changes through orthogonal methods
Integrated experimental design:
Map modification sites identified by proteomics
Generate modification-specific antibodies for functional studies
Correlate protein interaction networks with functional assays
Data integration framework:
| Technique | Primary Data | Validation Method | Functional Follow-up |
|---|---|---|---|
| IP-MS | Interaction partners | Co-IP/Western blot | Functional assays |
| PTM-MS | Modification sites | Site-specific antibodies | Mutagenesis studies |
| ChIP-seq | Genomic binding sites | ChIP-qPCR | Reporter assays |
| Proteomics | Expression changes | Western blot | Phenotypic analysis |