PPL · Western blot design guide

PPL Western Blot Planning Guide

Plan a PPL Western blot around the catalog-observed 204.7 kDa band, image-backed A02098-1 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 PPL (PPL): expected band 204.7 kDa, antibody A02098-1, and guide-derived SDS-PAGE protocol steps
PPL Western blot protocol sheet — expected band 204.7 kDa, antibody A02098-1, controls and PMC citations. Open the full PPL WB guide →

PPL 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 204.7 kDa
Observed band Not reported — verify product WB image
Gel 4-12% gradient
Positive control ⓘ Kidney
Negative control ⓘ Appendix
Important caveats
Reasons your observed band may differ from the expected size.
ⓘ Calculated mass 204.7 kDa
ⓘ Localization Cell junction, desmosome / Cytoplasm, cytoskeleton
ⓘ Processing / PTM Record-dependent
ⓘ Reactivity Human / Mouse / Rat
Section 1

Real Curated PPL Western Blot Protocols

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

Recommended Western blot protocol parameters
Sample / lysateKidney
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
PrimaryA02098-1 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 PPL Western Blot Band Size?

Use the product-observed 204.7 kDa band as the primary planning value and retain the UniProt calculated mass as context.

What am I looking at on my blot?
204.7 kDaMatches the authoritative product WB observation.
204.7 kDa calculatedUse as UniProt context, not as a replacement observed band.
Unexpected additional signalDo not assign identity without orthogonal positive/negative controls.
💡Expected PPL appearancePlan around 204.7 kDa and keep the calculated mass as supporting context.
How each factor affects band size
Catalog-observed band204.7 kDa; use this as the primary experimental expectation.
Calculated mass204.7 kDa from UniProt O60437; retain as context.
Gel selection4-12% gradient; shared with the recommended protocol and poster.
Specificity checkCompare the lead HPA positive and negative controls with A02098-1.
Why is my band missing or off?
SituationLikely causeNext action
204.7 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 PPL Western blot

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

HPA tissue expression evidence for PPL

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
Kidney Reported tissue cells High Protein (HPA) HPA →
Cervix Reported tissue cells Medium Protein (HPA) HPA →
Breast Reported tissue cells Medium Protein (HPA) HPA →
Bronchus Reported tissue cells Medium Protein (HPA) HPA →

Undetected expression · recommended negative controls

TissueCell typeLevelEvidenceSource
Appendix Reported tissue cells Not detected Protein (HPA) HPA →
Bone marrow Reported tissue cells Not detected Protein (HPA) HPA →
Section 3

Advanced PPL Western Blot Tips

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

Which band should guide the blot?
Use 204.7 kDa, the observation attached to the authoritative A02098-1 WB record.
How should calculated mass be interpreted?
Treat the UniProt calculated mass as context; it does not replace the catalog-observed 204.7 kDa expectation.
Which positive control should I start with?
Start with Kidney, the lead HPA protein-expression candidate.
Which negative control is defensible?
Use Appendix 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 PPL Western blot?
Use the transfer method in the recommended protocol and verify transfer before blocking.
How should A02098-1 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

PPL Western Blot Reagents

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

Real WB data Western blot validation image for PPL using A02098-1; observed band 204.7 kDa
Anti-Periplakin/PPL Antibody Picoband®
Cat # A02098-1

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 O60437
  2. Human Protein Atlas — PPL
  3. A02098-1 product record
  4. PMC12198045 — Periplakin Attenuates Liver Fibrosis via Reprogramming CD44(Low) Cells into CD44(High) Liver Progenitor Cells (Cellular and molecular gastroenterology and hepatology, 2025)