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HUWE1 / E3 ubiquitin-protein ligase HUWE1 · Western blot design guide
Design a Western Blot for HUWE1
Real validated HUWE1 Western blot protocols, expected-band and isoform facts, troubleshooting for weak or shifted signal, and recommended anti-HUWE1 WB antibodies. Everything you need to plan the experiment before you commit precious samples.
Evidence assembled September 2026 · For research use; verify linked source records and product datasheet before use
HUWE1 Western Blot Experimental Design Guide
Expected bands, validated protocols, controls and antibodies — the at-a-glance facts below, then the full design guide.
Must know before running
| Expected band | ~481.9 kDa | |
| Gel | 4–12% gradient (standard starting point) | |
| Positive control | Adrenal gland (IHC candidate; verify WB) +4 more | |
| Negative control | Suggested KO / knockdown lysate |
Important caveats
Reasons your observed band may differ from the expected size.
| PTM | Phosphorylated + Acetylated | |
| Caveat | Phosphorylation-state controls | |
| Gene-set association | MSigDB Hallmark membership | |
| Isoform | 3 isoform(s) |
Section 1
Real Curated HUWE1 Western Blot Protocols
The A04634 protocol combines labelled catalog values with standard starting conditions. Published comparisons retain their own sample, reagent and detection scope.
| Sample / lysate | Daudi cell lysate (catalog A04634) |
| Gel % | 4–12% gradient (standard starting point) |
| Load | 20–30 µg total protein per lane; optimize for abundance (standard starting point) |
| Transfer | Wet/tank transfer; optimize duration (standard starting point) |
| Membrane | 0.45 µm PVDF (standard starting point) |
| Blocking | 5% milk or 5% BSA in TBST (standard starting point) |
| Primary antibody | A04634 · 1 μg/mL (catalog A04634) |
| Primary incubation | Overnight at 4 °C (standard starting point) |
| Secondary antibody | Species-matched HRP conjugate at validated dilution (standard starting point) |
| Secondary incubation | 1 h at room temperature (standard starting point) |
| Wash | 3 × 5 min in TBST (standard starting point) |
| Detection | ECL; bracket exposures to avoid saturation (standard starting point) |
Section 2
What Is the Expected HUWE1 Western Blot Band Size?
Full-length HUWE1 is predicted at 481.9 kDa; isoforms and phosphorylation could affect migration, but no distinct band size is demonstrated.
| Band near 481.9 kDa | consistent with full-length HUWE1; confirm identity with an ordinary antibody control |
| Several high-mass bands | isoforms 1, 2 and 3 could contribute if their migration differs |
| High-mass doublet | phosphorylated forms could differ in mobility, but a visible shift is unproven |
| Weak band in a nuclear fraction | consistent with predominantly cytoplasmic localization in most tissues |
💡Expected HUWE1 appearanceFull-length HUWE1 has a predicted mass of 481.9 kDa; no empirical band size is supplied, and isoform or phosphorylation effects on migration are unestablished, so confirm band identity with antibody controls.
| Predicted full-length mass | sets a 481.9 kDa reference for the band |
| Isoforms 1, 2 and 3 | may migrate differently; their individual masses are unavailable |
| Phosphoserines 648 and 649 | could alter mobility, but a visible shift is unestablished |
| Phosphoserines 1368 and 1370 | could alter mobility, but a visible shift is unestablished |
| Situation | Likely cause | Next action |
|---|---|---|
| No band in lysate | HUWE1 may be below detection or poorly recovered | check lysate loading and use a validated positive lysate |
| Band higher than expected | phosphorylation could affect mobility, but the cause is unestablished | compare phosphatase-treated and untreated samples with identity controls |
| Band lower than expected | an isoform or protein breakdown is possible | compare antibodies against different HUWE1 regions |
| Multiple bands | isoforms 1, 2 and 3 or phosphorylated forms could contribute | compare isoform-aware controls and phosphatase-treated samples |
| Weak or no signal | HUWE1 is mainly cytoplasmic in most tissues | check a cytoplasmic fraction and verify transfer of high-mass proteins |
| Fragments below expected size | breakdown of the large HUWE1 protein is possible | prepare fresh lysate with protease inhibitors and compare antibodies against different regions |
Experiment evidence
Western blot images showing HUWE1 band
A04634 · HUWE1
← swipe / scroll for more images →
Real WB data behind the band-size expectations in this section.
Sample controls for HUWE1 Western blot
🧪HPA-IHC candidate guidance (verify in WB): For positive controls for HUWE1 in Western blot, you can use adrenal gland tissue.
Positive control: Adrenal gland (IHC candidate; verify WB)
Negative control: Suggested KO / knockdown lysate
Loading controls: Run GAPDH, β-actin, and a total-protein stain such as Ponceau alongside the samples.
⚠️Feasibility: No listed tissue is undetected, so use siRNA knockdown or a KO line for a clean negative control.
HPA tissue expression evidence for HUWE1
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.
Higher expression tissues · candidate positive controls from IHC
| Tissue | Cell type | Level | Evidence | Source |
|---|---|---|---|---|
| Adrenal gland | glandular cells | Medium | Protein (IHC) | HPA → |
| Appendix | glandular cells | Medium | Protein (IHC) | HPA → |
| Bone marrow | hematopoietic cells | Medium | Protein (IHC) | HPA → |
| Breast | glandular cells | Medium | Protein (IHC) | HPA → |
| Bronchus | basal cells | Medium | Protein (IHC) | HPA → |
Lower expression tissues · IHC evidence, not confirmed WB-negative controls
| Tissue | Cell type | Level | Evidence | Source |
|---|---|---|---|---|
| Adipose tissue | adipocytes | Low | Protein (IHC) | HPA → |
| Liver | cholangiocytes | Low | Protein (IHC) | HPA → |
| Lung | alveolar cells | Low | Protein (IHC) | HPA → |
| Prostate | glandular cells | Low | Protein (IHC) | HPA → |
| Skeletal muscle | myocytes | Low | Protein (IHC) | HPA → |
Section 3
Advanced HUWE1 Western Blot Tips
Deeper troubleshooting and optimisation questions for HUWE1, answered from its protein features.
How should HUWE1 band migration be interpreted?
Band shift · Use the separately labelled calculated mass and catalog-observed evidence above. A sequence annotation does not establish an observed migration shift. Verify target identity with orthogonal controls.
Could HUWE1 isoforms produce nearby bands?
Isoforms · UniProt lists three isoforms. Relative to the canonical sequence, isoform 3 lacks residues 982–990 and isoform 2 lacks residues 3016–3031. These differences may affect migration or antibody recognition, but the features do not establish whether the isoforms resolve as separate bands.
Which HUWE1 modifications matter when interpreting bands?
PTM · UniProt lists phosphorylation at multiple sites, including Ser648, Ser649, Thr1722 and Tyr4271; acetylation at Lys2267; and methylation at Arg3149. These are UniProt canonical-sequence coordinates, which may differ from antibody or paper numbering. Their presence alone does not establish a visible shift.
HUWE1 has numerous listed phosphoserine and phosphothreonine sites, including Ser2887, Ser2888 and Thr2889. A phosphorylation-sensitive comparison could test a suspected shift, but these annotations alone do not predict its size or show that it occurs.
HUWE1 has numerous listed phosphoserine and phosphothreonine sites, including Ser2887, Ser2888 and Thr2889. A phosphorylation-sensitive comparison could test a suspected shift, but these annotations alone do not predict its size or show that it occurs.
Does this guide establish induction of HUWE1?
Induction · No general induction response is established by this guide. A pathway or gene-set association is not evidence of induction in a particular specimen. Verify the relevant treatment and control in a target-specific experiment.
What transfer method to use for HUWE1 Western blot?
Transfer · HUWE1 is a large protein with a predicted mass of 481.9 kDa. Choose and check transfer conditions using high-molecular-weight markers, then verify that material in this size range reaches the membrane. The supplied features do not identify a specific transfer method.
How should blocking be optimized?
Blocking · Standard workflow guidance: follow the A04634 datasheet where specified. Otherwise compare 5% milk or 5% BSA in TBST; for a phospho-specific assay start with BSA. Optimize background and specific signal with matched controls.
How should HUWE1 be quantified?
Quantitation · Standard workflow guidance: quantify only a validated target band within the linear exposure range. Use consistent sample preparation and loading, retain biological replicates, and avoid interpreting saturation or loading differences as regulation.
Should HUWE1 migrate at exactly 481.9 kDa?
Interpretation · 481.9 kDa is the predicted mass of canonical HUWE1; no observed band position is supplied. Compare the signal with high-molecular-weight markers, but do not assign a different position to a modification without experimental evidence.
HUWE1 is reported in the cytoplasm, nucleus and mitochondrion, so compare like sample preparations and account for fraction loading when quantifying signal. Its listed modifications and isoforms also make it useful to state which band or band group was measured.
First check whether the antibody can recognize isoform 2 or 3, which lack canonical residues 3016–3031 and 982–990, respectively. The supplied features do not identify cleavage products or establish that any lower band is HUWE1; confirm band identity experimentally.
HUWE1 is reported in the cytoplasm, nucleus and mitochondrion, so compare like sample preparations and account for fraction loading when quantifying signal. Its listed modifications and isoforms also make it useful to state which band or band group was measured.
First check whether the antibody can recognize isoform 2 or 3, which lack canonical residues 3016–3031 and 982–990, respectively. The supplied features do not identify cleavage products or establish that any lower band is HUWE1; confirm band identity experimentally.
Boster reagents
HUWE1 Western Blot Antibodies
Catalog antibodies with Western blot application and product-specific WB images. Evaluate suitability with the reported sample, controls and experimental conditions.
Real WB data
Anti-ARF-BP1 HUWE1 Antibody
Cat # A04634
The catalog reports one anti-HUWE1 antibody for Western blot: A04634 (Anti-ARF-BP1 HUWE1 Antibody). Its WB image shows Daudi cell lysate tested at 1 μg/mL. This example does not establish performance in other samples.
Which to pick: A04634 is the only listed option. It reports human, mouse, and rat reactivity; the supplied WB image uses Daudi cell lysate, so assess suitability for other sample types separately.
Source: BosterBio HUWE1 gene-info card — filtered to Western-blot-capable antibodies; each card shows that product's actual WB validation figure.
References
- UniProt Consortium. UniProt entry Q7Z6Z7.
- Human Protein Atlas. HUWE1 tissue expression.
- PMC12906530 — target-verified WB comparison
- PMC5678168 — target-verified WB comparison
- PMC5128802 — target-verified WB comparison