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- Table of Contents
Real validated TRADD Western blot protocols, expected-band and isoform facts, troubleshooting for weak or shifted signal, and recommended anti-TRADD 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 | ~34.2 kDa | |
| Gel | 12–15% (standard starting point) | |
| Positive control | Adrenal gland (IHC candidate; verify WB) +4 more | |
| Negative control | Esophagus (IHC candidate; verify WB) |
| PTM | Microbial infection-dependent glycosylation | |
| Caveat | Infection-state controls | |
| Gene-set association | MSigDB C7 membership | |
| Isoform | 2 isoform(s) |
The M02785 protocol combines labelled catalog values with standard starting conditions. Published comparisons retain their own sample, reagent and detection scope.
| Sample / lysate | Hela cell lysate (catalog M02785) |
| Gel % | 12–15% (standard starting point) |
| Load | 20–30 µg total protein per lane; optimize for abundance (standard starting point) |
| Transfer | Standard semi-dry transfer; verify efficiency (standard starting point) |
| Membrane | 0.45 µm PVDF (standard starting point) |
| Blocking | 5% milk or 5% BSA in TBST (standard starting point) |
| Primary antibody | M02785; use the WB datasheet starting dilution (standard starting point) |
| 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) |
TRADD is predicted at 34.2 kDa; splice isoforms and infection-associated Arg235/Arg245 GlcNAc are annotated, but their effects on migration are unproven.
| Band near 34.2 kDa | Consistent with the predicted TRADD mass; confirm identity with controls. |
| Two bands at different positions | Isoforms 1 and 2 are possible contributors, but their migration is not established. |
| No visible shift after microbial infection | The annotated GlcNAc modifications at Arg235 and Arg245 need not produce a resolvable shift. |
| Infection-associated mobility change | Modification at Arg235 or Arg245 is possible; confirm the band identity and modification. |
| Predicted TRADD mass | 34.2 kDa is the sequence-based reference, not a measured band position. |
| Microbial infection-associated GlcNAc at Arg235 | May affect mobility if present, but a visible shift is not established. |
| Microbial infection-associated GlcNAc at Arg245 | May affect mobility if present, but a visible shift is not established. |
| Splice isoforms 1 and 2 | May differ in size; their individual masses and band positions are not supplied. |
| Situation | Likely cause | Next action |
|---|---|---|
| No band in lysate | TRADD may be missed if extraction does not recover its nuclear or cytoplasmic pool. | Check recovery from both compartments and include an antibody control. |
| Band higher than expected | The band identity or migration relative to the 34.2 kDa prediction is unconfirmed. | Check the size marker and test whether TRADD depletion removes the band. |
| Band lower than expected | An alternative isoform is possible, but its size is unknown. | Confirm band identity by TRADD depletion and compare isoform expression. |
| Multiple bands | Isoforms 1 and 2 are annotated, but distinct bands are not established. | Check which bands respond to TRADD depletion and assess isoform expression. |
| Weak or no signal | Nuclear and cytoplasmic localization may affect recovery from a fractionated sample. | Check both fractions, loading, and an antibody control. |
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 |
|---|---|---|---|---|
| Adrenal gland | glandular cells | Medium | Protein (IHC) | HPA → |
| Appendix | glandular cells | Medium | Protein (IHC) | HPA → |
| Breast | glandular cells | Medium | Protein (IHC) | HPA → |
| Bronchus | respiratory epithelial cells | Medium | Protein (IHC) | HPA → |
| Cerebellum | cells in granular layer | Medium | Protein (IHC) | HPA → |
| Tissue | Cell type | Level | Evidence | Source |
|---|---|---|---|---|
| Esophagus | squamous epithelial cells | Not detected | Protein (IHC) | HPA → |
| Skin | fibroblasts | Not detected | Protein (IHC) | HPA → |
| Soft tissue | fibroblasts | Not detected | Protein (IHC) | HPA → |
| Vagina | squamous epithelial cells | Not detected | Protein (IHC) | HPA → |
| Adipose tissue | adipocytes | Low | Protein (IHC) | HPA → |
Deeper troubleshooting and optimisation questions for TRADD, 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.
The catalog reports one anti-TRADD antibody for Western blot: M02785, a monoclonal antibody with stated human, mouse, and rat reactivity. Its supplied WB image shows TRADD expression in HeLa cell lysate; no other sample validation is provided.
Which to pick: M02785 is the only listed option. Its WB image uses HeLa cell lysate, making that the documented test context. Human, mouse, and rat reactivity is listed, but the supplied image does not demonstrate WB performance in mouse or rat samples.