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- Table of Contents
KCNE1 / Potassium voltage-gated channel subfamily E member 1 · Western blot design guide
Design a Western Blot for KCNE1
Real validated KCNE1 Western blot protocols, expected-band and isoform facts, troubleshooting for weak or shifted signal, and recommended anti-KCNE1 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
KCNE1 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 | ~14.7 kDa | |
| Gel | 15% (standard starting point) | |
| Negative control | Suggested KO / knockdown lysate |
Important caveats
Reasons your observed band may differ from the expected size.
| PTM | Glycosylated + Phosphorylated | |
| Caveat | Modification-state controls | |
| Gene-set association | MSigDB C7 membership | |
| Isoform | 1 isoform(s) |
Section 1
Real Curated KCNE1 Western Blot Protocols
The A01229 protocol combines labelled catalog values with standard starting conditions. Published comparisons retain their own sample, reagent and detection scope.
| Sample / lysate | extracts of various cell lines, (catalog A01229) |
| Gel % | 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 | 0.2 µm PVDF (standard starting point) |
| Blocking | Blocking buffer: 3% nonfat dry milk in TBST (catalog A01229) |
| Primary antibody | A01229 · 1:1000 (catalog A01229) |
| Primary incubation | Overnight at 4 °C (standard starting point) |
| Secondary antibody | Goat Anti-Rabbit IgG, 1:10000 (catalog A01229) |
| Secondary incubation | 1 h at room temperature (standard starting point) |
| Wash | 3 × 5 min in TBST (standard starting point) |
| Detection | ECL (catalog A01229) |
Section 2
What Is the Expected KCNE1 Western Blot Band Size?
KCNE1 is predicted at 14.7 kDa; its glycosylation sites could affect migration, but no apparent band size or visible shift is demonstrated.
| Band near 14.7 kDa | Consistent with the predicted KCNE1 mass; confirm its identity with controls. |
| Band above 14.7 kDa | Could reflect glycosylation at Asn5, Thr7, or Asn26; the shift is not established. |
| Doublet near the expected region | Could reflect differing glycosylation at the listed sites; confirm both bands are KCNE1. |
| Little or no band in soluble lysate | KCNE1 is a single-pass membrane protein and may be poorly recovered in this fraction. |
💡Expected KCNE1 appearanceKCNE1 has a predicted mass of 14.7 kDa, while its listed glycosylation sites could affect migration; no empirical band size is supplied, so confirm any candidate band with identity controls.
| Predicted KCNE1 mass | Places the unmodified protein near 14.7 kDa. |
| N-linked glycosylation at Asn5 | Could increase apparent size; no shift is quantified. |
| O-linked glycosylation at Thr7 | Could affect apparent size; no shift is quantified. |
| N-linked glycosylation at Asn26 | Could increase apparent size; no shift is quantified. |
| Situation | Likely cause | Next action |
|---|---|---|
| No band in lysate | Membrane-localized KCNE1 may be poorly recovered in a soluble fraction. | Check membrane-enriched material and verify extraction with a membrane-protein control. |
| Band higher than expected | Glycosylation at the listed sites could alter migration. | Compare with deglycosylated material and confirm band identity with an independent antibody. |
| Band lower than expected | Glycosylation occupancy may differ from a higher-migrating comparison band. | Compare treated and untreated samples and confirm identity with an independent antibody. |
| Broad smear instead of sharp band | Glycosylation heterogeneity is possible but is not demonstrated by the listed sites alone. | Compare deglycosylated and untreated samples and check loading and transfer. |
| Multiple bands | Different glycosylation states are possible; unrelated antibody binding is also possible. | Compare deglycosylated samples and use KCNE1-depleted material to identify specific bands. |
| Weak or no signal | Recovery of this single-pass membrane protein may be low. | Check membrane extraction, loading, and transfer with appropriate controls. |
Experiment evidence
Western blot images showing KCNE1 band
A01229 · KCNE1
← swipe / scroll for more images →
Real WB data behind the band-size expectations in this section.
Sample controls for KCNE1 Western blot
🧪For positive controls for KCNE1 in Western blot, you can use no HPA-supported tissue or cell line from the supplied evidence.
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: KCNE1 is a membrane protein, and the supplied HPA data provide no validated tissue controls.
HPA tissue expression evidence for KCNE1
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 KCNE1 Western Blot Tips
Deeper troubleshooting and optimisation questions for KCNE1, answered from its protein features.
How should KCNE1 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.
Should multiple KCNE1 bands be assigned to isoforms?
Isoforms · The supplied record lists one isoform and no alternative sequence. Do not assign extra bands to splice isoforms on this evidence alone. Evaluate band identity and possible modification-dependent migration before interpreting additional bands.
How can glycosylation be evaluated in a KCNE1 blot?
PTM · Compare matched samples before and after treatment targeting N-linked and O-linked glycans, then assess whether KCNE1 migration changes. The annotated sites are UniProt Asn5, Thr7, and Asn26. A site annotation alone does not establish that a particular sample carries that glycan or produces a visible shift.
UniProt annotates phosphoserine at Ser102, by PKC. If testing a PKC-related condition, compare matched samples and assess phosphorylation at that site. The annotation does not establish that phosphorylation produces a resolvable band shift. Ser102 uses UniProt numbering, which may differ from paper or antibody numbering.
UniProt annotates phosphoserine at Ser102, by PKC. If testing a PKC-related condition, compare matched samples and assess phosphorylation at that site. The annotation does not establish that phosphorylation produces a resolvable band shift. Ser102 uses UniProt numbering, which may differ from paper or antibody numbering.
Does this guide establish induction of KCNE1?
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 KCNE1 Western blot?
Transfer · The features do not specify a transfer method. KCNE1 is a 129-residue, single-pass membrane protein with a predicted mass of 14.7 kDa. Choose transfer conditions that retain and detect a protein in this size range, and check transfer efficiency directly.
How should blocking be optimized?
Blocking · Standard workflow guidance: follow the A01229 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 KCNE1 band intensity be quantified?
Quantitation · Quantify the same defined band across matched samples, with consistent membrane preparation and a suitable loading reference. KCNE1 localizes to the cell membrane and membrane rafts, so differences in sample preparation may affect recovery. If several bands appear, establish their identity before combining their intensities.
Why might KCNE1 migrate differently from its predicted 14.7 kDa?
Interpretation · KCNE1 has annotated N-linked glycosylation at UniProt Asn5 and Asn26 and O-linked glycosylation at Thr7. These features make altered migration plausible, but they do not establish a visible shift or explain any specific band. No empirical apparent band is supplied.
First verify which bands represent KCNE1. Its annotated glycans at UniProt Asn5, Thr7, and Asn26 and PKC-dependent phosphoserine at Ser102 provide hypotheses to test with matched treatments. KCNE1 also associates with other channel proteins, but these features alone cannot assign an unexpected band's identity or mass.
First verify which bands represent KCNE1. Its annotated glycans at UniProt Asn5, Thr7, and Asn26 and PKC-dependent phosphoserine at Ser102 provide hypotheses to test with matched treatments. KCNE1 also associates with other channel proteins, but these features alone cannot assign an unexpected band's identity or mass.
Boster reagents
KCNE1 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-KCNE1 Antibody
Cat # A01229
A01229 is an anti-KCNE1 antibody listed for human and mouse reactivity. Its WB image is described as using extracts from various cell lines, but the caption does not identify the lines or establish which species were tested.
Which to pick: A01229 is the only listed option and has a WB image. For a starting protocol, the caption reports 25 µg per lane, a 1:1000 primary dilution, and a 90-second exposure.
Source: BosterBio KCNE1 gene-info card — filtered to Western-blot-capable antibodies; each card shows that product's actual WB validation figure.
References
- UniProt Consortium. UniProt entry P15382.
- Human Protein Atlas. KCNE1 tissue expression.
- PMC5915114 — target-verified WB comparison