This website uses cookies to ensure you get the best experience on our website.
- Table of Contents
Real validated VHL Western blot protocols, expected-band and isoform facts, troubleshooting for weak or shifted signal, and recommended anti-VHL WB antibodies. Everything you need to plan the experiment before you commit precious samples.
Expected bands, validated protocols, controls and antibodies — the at-a-glance facts below, then the full design guide.
| Expected band | ~24.2 kDa | |
| Observed band | ~18 kDa | |
| Gel | 13% (catalog A00079-3) | |
| Positive control | Appendix (IHC candidate; verify WB) +4 more | |
| Negative control | Adipose tissue (IHC candidate; verify WB) |
| PTM | — | |
| Caveat | Alternative initiation | |
| Gene-set association | MSigDB Hallmark membership | |
| Isoform | 3 isoform(s) |
The A00079-3 protocol combines labelled catalog values with standard starting conditions. Published comparisons retain their own sample, reagent and detection scope.
| Sample / lysate | human Jurkat, human Raji, human Hela (catalog A00079-3) |
| Gel % | 13% (catalog A00079-3) |
| Load | 30 ug; reducing conditions (catalog A00079-3) |
| Transfer | a nitrocellulose membrane at 150 mA for 50-90 minutes (catalog A00079-3) |
| Membrane | nitrocellulose membrane (catalog A00079-3) |
| Blocking | 5% non-fat milk/TBS for 1.5 hour at RT (catalog A00079-3) |
| Primary antibody | A00079-3 · 1:1000 (catalog A00079-3) |
| Primary incubation | overnight at 4°C (catalog A00079-3) |
| Secondary antibody | goat anti-rabbit IgG-HRP, 1:5000 (catalog A00079-3) |
| Secondary incubation | 1.5 hour at RT (catalog A00079-3) |
| Wash | TBS-0.1%Tween 3 times with 5 minutes each (catalog A00079-3) |
| Detection | ECL (catalog A00079-3) |
VHL is predicted at 24.2 kDa, but antibody QC observes ~18 kDa in reducing whole-cell lysates; the cause of the difference is not established.
| Band at ~18 kDa | Empirical VHL band in reducing whole-cell lysates; the difference from predicted mass is unexplained |
| Band near 24.2 kDa | Near the predicted VHL mass; confirm identity with band controls |
| Several discrete bands | Isoforms 1, 2, and 3 are documented, but distinct migration is unproven |
| Weak band in one subcellular fraction | Isoform 1 is reported in several cellular compartments |
| UniProt predicted mass | 24.2 kDa is the sequence-based reference, not the observed migration |
| Isoform 1 | Its individual mass and migration are not supplied |
| Isoform 2 | Its individual mass and migration are not supplied |
| Isoform 3 | Its individual mass and migration are not supplied |
| Situation | Likely cause | Next action |
|---|---|---|
| No band in lysate | VHL signal may be below detection in the tested lysate | Check transfer and compare with Jurkat, Raji, or HeLa whole-cell lysate |
| Band higher than expected | The higher band's identity is unestablished; VHL has three named isoforms | Compare with the ~18 kDa QC band and test identity with a second antibody or VHL knockdown |
| Band lower than expected | The observed ~18 kDa VHL band lies below the 24.2 kDa prediction for an unestablished reason | Compare with the reducing whole-cell QC pattern and verify with VHL knockdown |
| Multiple bands | Isoforms are documented, but their separate band positions are unknown | Test band identity with a second antibody or isoform-specific controls |
| Weak or no signal | Isoform 1 occurs in cytoplasm, membrane, endoplasmic reticulum, and nucleus | Compare the tested fraction with whole-cell lysate and check loading and transfer |
Comprehensive Human Protein Atlas IHC scoring per tissue. Rows are taken directly from the HPA tissue chart — click any row's HPA link to view the source.
| Tissue | Cell type | Level | Evidence | Source |
|---|---|---|---|---|
| Appendix | glandular cells | High | Protein (IHC) | HPA → |
| Bronchus | respiratory epithelial cells | High | Protein (IHC) | HPA → |
| Cerebellum | Purkinje cells | High | Protein (IHC) | HPA → |
| Cervix | squamous epithelial cells | High | Protein (IHC) | HPA → |
| Colon | glandular cells | High | Protein (IHC) | HPA → |
| Tissue | Cell type | Level | Evidence | Source |
|---|---|---|---|---|
| Adipose tissue | adipocytes | Not detected | Protein (IHC) | HPA → |
| Liver | cholangiocytes | Not detected | Protein (IHC) | HPA → |
| Soft tissue | fibroblasts | Not detected | Protein (IHC) | HPA → |
| Vagina | squamous epithelial cells | Not detected | Protein (IHC) | HPA → |
| Caudate | glial cells | Low | Protein (IHC) | HPA → |
Deeper troubleshooting and optimisation questions for VHL, answered from its protein features.
Catalog antibodies with Western blot application and product-specific WB images. Evaluate suitability with the reported sample, controls and experimental conditions.
A00079-3 is a rabbit polyclonal anti-VHL antibody listed for human, mouse, and rat. Its Western blot image shows human Jurkat, Raji, and HeLa lysates, with a band near 18 kDa versus an expected 20 kDa. The supplied image does not document mouse or rat samples.
Which to pick: A00079-3 is the only listed option. Its Western blot example uses human cell lysates at 1:1000 primary antibody dilution. Mouse and rat are listed as reactive, but no Western blot image for those samples is supplied.