CACNA1S · Western blot design guide

CACNA1S Western Blot Planning Guide

Plan a CACNA1S Western blot around the catalog-observed 212.4 kDa band, image-backed A03006-1 evidence, HPA controls, and verified protocol records.

Evidence assembled July 2026 · For research use; verify linked source records and product datasheet before use
Western blot protocol sheet for CACNA1S (CACNA1S): expected band 212.4 kDa, antibody A03006-1, and guide-derived SDS-PAGE protocol steps
CACNA1S Western blot protocol sheet — expected band 212.4 kDa, antibody A03006-1, controls and PMC citations. Open the full CACNA1S WB guide →

CACNA1S Western Blot Experimental Design Guide

Expected bands, documented protocol parameters, controls and antibodies — the at-a-glance facts below, then the full design guide.

Must know before running
Expected band 212.4 kDa
Observed band Not reported — verify product WB image
Gel 4-12% gradient
Positive control ⓘ Skeletal muscle
Negative control ⓘ Adipose tissue
Important caveats
Reasons your observed band may differ from the expected size.
ⓘ Calculated mass 212.4 kDa
ⓘ Localization Cell membrane, sarcolemma, T-tubule
ⓘ Processing / PTM Record-dependent
ⓘ Reactivity Human / Mouse / Rat
Section 1

Real Curated CACNA1S Western Blot Protocols

Start with the molecular-weight rule, then compare verified publication-derived conditions.

Recommended Western blot protocol parameters
Sample / lysateSkeletal muscle
Gel %4-12% gradient
Load20-30 µg total protein per lane
TransferWet/tank, extended transfer
Membrane0.45 µm PVDF
Blocking5% non-fat milk or 5% BSA in TBST
PrimaryA03006-1 at datasheet starting dilution
Primary incubationOvernight at 4 °C with gentle agitation
SecondarySpecies-matched HRP conjugate at validated dilution
Wash3 × 5 min in TBST
DetectionChemiluminescent substrate
ExposureBracket exposures to avoid saturation
Section 2

What Is the Expected CACNA1S Western Blot Band Size?

Use the product-observed 212.4 kDa band as the primary planning value and retain the UniProt calculated mass as context.

What am I looking at on my blot?
212.4 kDaMatches the authoritative product WB observation.
212.4 kDa calculatedUse as UniProt context, not as a replacement observed band.
Unexpected additional signalDo not assign identity without orthogonal positive/negative controls.
💡Expected CACNA1S appearancePlan around 212.4 kDa and keep the calculated mass as supporting context.
How each factor affects band size
Catalog-observed band212.4 kDa; use this as the primary experimental expectation.
Calculated mass212.4 kDa from UniProt Q13698; retain as context.
Gel selection4-12% gradient; shared with the recommended protocol and poster.
Specificity checkCompare the lead HPA positive and negative controls with A03006-1.
Why is my band missing or off?
SituationLikely causeNext action
212.4 kDaMatches the authoritative product WB observation.Confirm with orthogonal controls and the linked product record.
Additional bandMay reflect processing, modification, or non-specific signal.Run a dilution series and compare positive/negative controls.
Weak signalTarget abundance or transfer may be limiting.Verify transfer, increase positive-control abundance, and bracket exposure.

Sample controls for CACNA1S Western blot

🧪Use Skeletal muscle as the first positive-control candidate and Adipose tissue as the HPA Not detected negative candidate.
Positive control: Skeletal muscle (High)
Negative control: Adipose tissue (Not detected)
HPA protein score determines control status; other expression data is supporting context only.

HPA tissue expression evidence for CACNA1S

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.

Positive expression · recommended positive controls

TissueCell typeLevelEvidenceSource
Skeletal muscle Reported tissue cells High Protein (HPA) HPA →
Testis Reported tissue cells Medium Protein (HPA) HPA →

Undetected expression · recommended negative controls

TissueCell typeLevelEvidenceSource
Adipose tissue Reported tissue cells Not detected Protein (HPA) HPA →
Adrenal gland Reported tissue cells Not detected Protein (HPA) HPA →
Section 3

Advanced CACNA1S Western Blot Tips

Deeper troubleshooting and optimisation questions for CACNA1S, answered from its protein features.

Which band should guide the blot?
Use 212.4 kDa, the observation attached to the authoritative A03006-1 WB record.
How should calculated mass be interpreted?
Treat the UniProt calculated mass as context; it does not replace the catalog-observed 212.4 kDa expectation.
Which positive control should I start with?
Start with Skeletal muscle, the lead HPA protein-expression candidate.
Which negative control is defensible?
Use Adipose tissue as an orthogonal HPA Not detected candidate.
Which gel should I use?
Use 4-12% gradient consistently across the quick facts, protocol table, and poster.
What transfer method to use for CACNA1S Western blot?
Use the transfer method in the recommended protocol and verify transfer before blocking.
How should A03006-1 be started?
Start at the linked datasheet condition and run a three-point primary-antibody dilution test.
Which publication-derived protocols can I compare?
No verified publication protocol was supplied; use only the deterministic recommended protocol.
Boster reagents

CACNA1S Western Blot Reagents

Human/Mouse/Rat-reactive CACNA1S Western blot reagents with authoritative product imagery.

Real WB data Western blot validation image for CACNA1S using A03006-1; observed band 212.4 kDa
Anti-CACNA1S Antibody Picoband®
Cat # A03006-1

Only image-backed, WB-validated Human/Mouse/Rat recommendations from the prepared catalog evidence are shown.

Source: prepared picoband-wb product evidence; each card retains its own SKU, URL, observed band, and authoritative WB image.

References

  1. UniProt Q13698
  2. Human Protein Atlas — CACNA1S
  3. A03006-1 product record
  4. PMC6834399 — Increased calcium channel in the lamina propria of aging rat (Aging, 2019)
  5. PMC4854922 — Calpain inhibition rescues troponin T3 fragmentation, increases Cav1.1, and enhances skeletal muscle force in aging sedentary mice (Aging cell, 2016)
  6. PMC8675865 — Screening and Identification of Lujo Virus Entry Inhibitors From an Food and Drug Administration-Approved Drugs Library (Frontiers in microbiology, 2021)