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- Table of Contents
TNFSF9 / Tumor necrosis factor ligand superfamily member 9 · Western blot design guide
Design a Western Blot for TNFSF9
Source-linked TNFSF9 Western blot protocol options, expected-band and isoform facts, troubleshooting for weak or shifted signal, and recommended anti-TNFSF9 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
TNFSF9 Western Blot Experimental Design Guide
Expected bands, source-linked protocol options, controls and antibodies — the at-a-glance facts below, then the full design guide.
Must know before running
| Expected band | ~26.6 kDa | |
| Gel | 12–15% (standard starting point) | |
| Negative control | Suggested KO / knockdown lysate |
Important caveats
Reasons your observed band may differ from the expected size.
| PTM | — | |
| Caveat | — | |
| Gene-set association | MSigDB Hallmark membership | |
| Isoform | 1 isoform(s) |
Section 1
Source-Linked TNFSF9 Western Blot Protocol Options
The M06032-1 protocol combines labelled catalog values with standard starting conditions. Published comparisons retain their own sample, reagent and detection scope.
| Sample / lysate | HEK293 cell lysate (catalog M06032-1) |
| Gel % | 12–15% (standard starting point) |
| Load | 20–30 µg total protein per lane; optimize for abundance (standard starting point) |
| Transfer | Short semi-dry transfer; verify retention (standard starting point) |
| Membrane | 0.45 µm PVDF (standard starting point) |
| Blocking | 5% milk or 5% BSA in TBST (standard starting point) |
| Primary antibody | M06032-1; 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) |
Section 2
What Is the Expected TNFSF9 Western Blot Band Size?
TNFSF9 has a predicted 26.6 kDa monomer; its homotrimer and membrane features could affect detection, but no altered migration or empirical band is established.
| Band near 26.6 kDa | consistent with the predicted TNFSF9 monomer; confirm its identity with controls |
| Higher band near three times the monomer size | could reflect the annotated homotrimer if it survives sample preparation; its migration is unverified |
| Weak or absent band in soluble lysate | consistent with incomplete recovery of this membrane protein |
| Stronger band in membrane-enriched material than soluble lysate | consistent with its annotated membrane location |
💡Expected TNFSF9 appearanceTNFSF9 has a predicted monomer mass of 26.6 kDa and no supplied empirical band; assess a band near that size with band-identity controls, since homotrimer formation does not establish SDS-PAGE migration.
| Predicted monomer mass | sets a 26.6 kDa sequence-based reference, not a validated band position |
| Homotrimer | could produce a higher band if the complex remains intact during electrophoresis; no apparent mass is established |
| Single-pass type II membrane location | may affect protein recovery from lysate; no size shift is established |
| Signal-anchor transmembrane helix | anchors the protein in the membrane; no cleavage or size change is annotated |
| Situation | Likely cause | Next action |
|---|---|---|
| No band in lysate | membrane-associated TNFSF9 may be poorly recovered | check membrane-enriched material and extraction conditions |
| Band higher than expected | a persistent homotrimer is possible, but its migration is unverified | compare reducing and denaturing conditions and confirm band identity |
| Band lower than expected | the supplied features do not establish a smaller species | confirm identity with an independent antibody or appropriate control |
| Multiple bands | monomer and retained oligomer are possible; band identities are unverified | compare sample preparation conditions and use band-identity controls |
| Weak or no signal | recovery of this membrane protein may be limited | check membrane extraction and include a positive control |
Experiment evidence
Western blot images showing TNFSF9 band
M06032-1 · TNFSF9
← swipe / scroll for more images →
Real WB data behind the band-size expectations in this section.
Sample controls for TNFSF9 Western blot
🧪For positive controls for TNFSF9 in Western blot, you can use a validated positive sample once one is identified; the supplied HPA evidence names none.
Positive control: No high/medium HPA tissue identified
Negative control: Suggested KO / knockdown lysate
Loading controls: Run GAPDH, β-actin, and a total-protein stain alongside the samples.
⚠️Feasibility: HPA provides no tissue data, so suitable positive and negative tissues cannot be established from this evidence.
HPA tissue expression evidence for TNFSF9
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 |
|---|---|---|---|---|
| No high/medium HPA tissues identified in the supplied evidence. | ||||
Lower expression tissues · IHC evidence, not confirmed WB-negative controls
| Tissue | Cell type | Level | Evidence | Source |
|---|---|---|---|---|
| No lower-expression tissue rows available in the supplied evidence. | ||||
Section 3
Advanced TNFSF9 Western Blot Tips
Deeper troubleshooting and optimisation questions for TNFSF9, answered from its protein features.
What band size should I expect for TNFSF9?
Band shift · The predicted mass is 26.6 kDa for the 254-residue protein. No observed Western blot band size is supplied, so use 26.6 kDa as a reference, not a guaranteed apparent mass.
Could TNFSF9 isoforms explain multiple bands?
Isoforms · Only one isoform is listed, with no alternative sequence. The supplied features therefore do not support assigning multiple bands to annotated isoforms.
Could annotated modifications shift the TNFSF9 band?
PTM · No glycosylation sites or modified residues are listed. The supplied features do not support attributing a band shift to a specific modification.
Does this guide establish induction of TNFSF9?
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 TNFSF9 Western blot?
Transfer · TNFSF9 is a single-pass type II membrane protein with a predicted mass of 26.6 kDa. These features do not specify a transfer method. Check transfer efficiency for the band of interest when optimizing the blot.
How should blocking be optimized?
Blocking · Standard workflow guidance: follow the M06032-1 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.
What should I consider when quantifying TNFSF9 bands?
Quantitation · Choose and report a consistent band for comparison. Because TNFSF9 is a membrane protein annotated as a homotrimer, document sample preparation and avoid combining bands of uncertain identity into one measurement.
How should I interpret a higher TNFSF9 band?
Interpretation · TNFSF9 is annotated as a homotrimer, but that annotation alone does not establish that trimers remain intact during Western blotting. Do not assign a higher band to a trimer without additional evidence.
The supplied features list neither a signal peptide nor a propeptide, and provide no annotated cleavage product. A lower band cannot be assigned to a specific processed form from these features alone.
The supplied features list neither a signal peptide nor a propeptide, and provide no annotated cleavage product. A lower band cannot be assigned to a specific processed form from these features alone.
Boster reagents
TNFSF9 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-TNFSF9 Rabbit Monoclonal Antibody
Cat # M06032-1
The catalog reports one anti-TNFSF9 antibody, rabbit monoclonal M06032-1, with reported Human reactivity. Its Western blot image shows TNFSF9 expression in HEK293 cell lysate. The supplied evidence covers that sample context only.
Which to pick: M06032-1 is the only listed option and has a Western blot image using HEK293 cell lysate. It is listed as reactive with Human; assess suitability for other samples separately.
Source: BosterBio TNFSF9 gene-info card — filtered to Western-blot-capable antibodies; each card shows that product's actual WB validation figure.
References
- UniProt Consortium. UniProt entry P41273.
- Human Protein Atlas. TNFSF9 tissue expression.
- PMC8457569 — target-verified WB comparison
- PMC12362948 — target-verified WB comparison
- PMC12235959 — target-verified WB comparison