ANXA7 · Western blot design guide

ANXA7 Western Blot Planning Guide

Plan an ANXA7 Western blot around the catalog-observed 52.7 kDa band, image-backed PA2076 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 ANXA7 (ANXA7): expected band 52.7 kDa, antibody PA2076, and PMC-cited SDS-PAGE protocol steps

Band Protocols Controls Antibodies

ANXA7 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	52.7 kDa
	Observed band	Not reported — verify product WB image
	Gel	12-15%
	Positive control ⓘ	Breast
	Negative control ⓘ	Small intestine

Important caveats

Reasons your observed band may differ from the expected size.

ⓘ	Calculated mass	52.7 kDa
ⓘ	Localization	Not reported
ⓘ	Processing / PTM	Record-dependent
ⓘ	Reactivity	Human

Sample controls for ANXA7 Western blot

🧪Use Breast as the first positive-control candidate and Small intestine as the HPA Not detected negative candidate.

Positive control: Breast (Medium)

Negative control: Small intestine (Not detected)

HPA protein score determines control status; other expression data is supporting context only.

HPA tissue expression evidence for ANXA7

Comprehensive Human Protein Atlas IHC scoring per tissue. Rows are taken directly from the HPA tissue chart on each tissue page — click any row's HPA link to view the source.

Positive expression · recommended positive controls

Tissue	Cell type	Level	Evidence	Source
Breast	Reported tissue cells	Medium	Protein (HPA)	HPA →
Adrenal gland	Reported tissue cells	Medium	Protein (HPA)	HPA →
Appendix	Reported tissue cells	Medium	Protein (HPA)	HPA →
Bone marrow	Reported tissue cells	Medium	Protein (HPA)	HPA →

Undetected expression · recommended negative controls

Tissue	Cell type	Level	Evidence	Source
Small intestine	Reported tissue cells	Not detected	Protein (HPA)	HPA →
Adipose tissue	Reported tissue cells	Not detected	Protein (HPA)	HPA →

Section 1

What Is the Expected ANXA7 Western Blot Band Size?

Use the product-observed 52.7 kDa band as the primary planning value and retain the UniProt calculated mass as context.

What am I looking at on my blot?
52.7 kDa	Matches the authoritative product WB observation.
52.7 kDa calculated	Use as UniProt context, not as a replacement observed band.
Unexpected additional signal	Do not assign identity without orthogonal positive/negative controls.

💡Expected ANXA7 appearancePlan around 52.7 kDa and keep the calculated mass as supporting context.

How each factor affects band size
Catalog-observed band	52.7 kDa; use this as the primary experimental expectation.
Calculated mass	52.7 kDa from UniProt P20073; retain as context.
Gel selection	12-15%; shared with the recommended protocol and poster.
Specificity check	Compare the lead HPA positive and negative controls with PA2076.

Why is my band missing or off?
Situation	Likely cause	Next action
52.7 kDa	Matches the authoritative product WB observation.	Confirm with orthogonal controls and the linked product record.
Additional band	May reflect processing, modification, or non-specific signal.	Run a dilution series and compare positive/negative controls.
Weak signal	Target abundance or transfer may be limiting.	Verify transfer, increase positive-control abundance, and bracket exposure.

Sources: UniProt P20073 Human Protein Atlas product datasheet (PA2076)

Experiment evidence

Western blot images showing ANXA7 band

PA2076 · ANXA7 — observed 52.7 kDa WB validation

PA2076 · ANXA7Observed 52.7 kDa · product-specific WB image

← swipe / scroll for more images →

Real WB data behind the band-size expectations in this section.

Section 2

Real Curated ANXA7 Western Blot Protocols

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

Recommended Western blot protocol parameters
Sample / lysate	Adrenal gland
Gel %	12-15%
Load	20-30 µg total protein per lane
Transfer	Semi-dry, standard transfer
Membrane	0.45 µm PVDF
Blocking	5% non-fat milk or 5% BSA in TBST
Primary	PA2076 at datasheet starting dilution
Primary incubation	Overnight at 4 °C with gentle agitation
Secondary	Species-matched HRP conjugate at validated dilution
Wash	3 × 5 min in TBST
Detection	Chemiluminescent substrate
Exposure	Bracket exposures to avoid saturation

Section 4

Advanced ANXA7 Western Blot Tips

Deeper troubleshooting and optimisation questions for ANXA7, answered from its protein features.

Which band should guide the blot?

Use 52.7 kDa, the observation attached to the authoritative PA2076 WB record.

How should calculated mass be interpreted?

Treat the UniProt calculated mass as context; it does not replace the catalog-observed 52.7 kDa expectation.

Which positive control should I start with?

Start with Breast, the lead HPA protein-expression candidate.

Which negative control is defensible?

Use Small intestine as an orthogonal HPA Not detected candidate.

Which gel should I use?

Use 12-15% consistently across the quick facts, protocol table, and poster.

What transfer method to use for ANXA7 Western blot?

Use the transfer method in the recommended protocol and verify transfer before blocking.

How should PA2076 be started?

Start at the linked datasheet condition and run a three-point primary-antibody dilution test.

Which publication-derived protocols can I compare?

Compare only the supplied target-verified records: PMC7346058, PMC5777349, PMC6491720.

Boster reagents

ANXA7 Western Blot Reagents

Human-reactive ANXA7 Western blot reagents with authoritative product imagery.

Real WB data Western blot validation image for ANXA7 using PA2076; observed band 52.7 kDa

Anti-Annexin VII/ANXA7 Antibody Picoband®

Cat # PA2076

Reactivity: Human

View product →

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.