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- Table of Contents
PGD / 6-phosphogluconate dehydrogenase, decarboxylating · Western blot design guide
Design a Western Blot for PGD
Real validated PGD Western blot protocols, expected-band and isoform facts, troubleshooting for weak or shifted signal, and recommended anti-PGD 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
PGD 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 | ~53.1 kDa | |
| Gel | 12–15% (standard starting point) | |
| Positive control | Bone marrow (IHC candidate; verify WB) +4 more | |
| Negative control | Caudate (IHC candidate; verify WB) |
Important caveats
Reasons your observed band may differ from the expected size.
| PTM | Phosphorylated + Acetylated | |
| Caveat | Modification-state controls | |
| Gene-set association | MSigDB Hallmark membership | |
| Isoform | 2 isoform(s) |
Section 1
Real Curated PGD Western Blot Protocols
The M01623-1 protocol combines labelled catalog values with standard starting conditions. Published comparisons retain their own sample, reagent and detection scope.
| Sample / lysate | (1) 293 cell lysate; (2) Mouse kidney lysate; (3) Rat kidney lysate (catalog M01623-1) |
| Gel % | 12–15% (standard starting point) |
| Load | 20–30 µg total protein per lane; optimize for abundance (standard starting point) |
| Transfer | Standard semi-dry transfer; verify efficiency (standard starting point) |
| Membrane | 0.45 µm PVDF (standard starting point) |
| Blocking | 5% milk or 5% BSA in TBST (standard starting point) |
| Primary antibody | M01623-1; 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 PGD Western Blot Band Size?
PGD has a predicted 53.1 kDa monomer; its homodimer and isoforms could affect bands, but their visible migration is not demonstrated.
| Band near 53.1 kDa | Consistent with the predicted PGD monomer; confirm identity with band controls. |
| Band near 106 kDa under nonreducing conditions | Could reflect the PGD homodimer if it survives electrophoresis. |
| Several bands near the monomer region | Isoforms 1 and 2 could contribute, but distinct migration is unproven. |
| Single band near 53.1 kDa despite two isoforms | The isoforms may not resolve into separate bands. |
💡Expected PGD appearancePGD has a predicted monomer mass of 53.1 kDa; no empirical band size is supplied, so confirm any band near that position with antibody and sample controls.
| Predicted PGD monomer mass | Sets a reference near 53.1 kDa, not a measured migration position. |
| PGD homodimer | Could appear near twice the monomer mass if it remains intact during electrophoresis. |
| Splice isoform 1 | Its mass relative to isoform 2 is not supplied; distinct migration is unproven. |
| Splice isoform 2 | Its mass relative to isoform 1 is not supplied; distinct migration is unproven. |
| Situation | Likely cause | Next action |
|---|---|---|
| Band higher than expected | The PGD homodimer may persist during sample preparation. | Compare reducing and nonreducing preparations and confirm band identity. |
| Band lower than expected | An isoform or protein breakdown is possible, but no smaller PGD mass is supplied. | Check sample integrity and confirm the band with PGD knockdown or an independent antibody. |
| Multiple bands | The two isoforms or residual homodimer could contribute; their migration is unverified. | Compare reducing conditions and use band-identity controls. |
| Weak or no signal | PGD detection or sample loading may be inadequate. | Check lysate loading and antibody performance with a positive control. |
| Fragments below expected size | Sample proteolysis is possible; no PGD cleavage product is specified. | Prepare fresh lysate with protease inhibitors and confirm fragment identity. |
Experiment evidence
Western blot images showing PGD band
M01623-1 · PGD
A01623-3 · PGD
← swipe / scroll for more images →
Real WB data behind the band-size expectations in this section.
Sample controls for PGD Western blot
🧪HPA-IHC candidate guidance (verify in WB): For positive controls for PGD in Western blot, you can use bone marrow lysate, which shows high expression in HPA.
Positive control: Bone marrow (IHC candidate; verify WB)
Negative control: Caudate (IHC candidate; verify WB)
Loading controls: Run GAPDH, β-actin, and a total-protein stain alongside the samples.
⚠️Feasibility: PGD is cytoplasmic, but its tissue expression varies, so verify the negative control in your samples.
HPA tissue expression evidence for PGD
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 |
|---|---|---|---|---|
| Bone marrow | hematopoietic cells | High | Protein (IHC) | HPA → |
| Esophagus | squamous epithelial cells | High | Protein (IHC) | HPA → |
| Gallbladder | glandular cells | High | Protein (IHC) | HPA → |
| Lung | macrophages | High | Protein (IHC) | HPA → |
| Spleen | cells in red pulp | High | Protein (IHC) | HPA → |
Lower expression tissues · IHC evidence, not confirmed WB-negative controls
| Tissue | Cell type | Level | Evidence | Source |
|---|---|---|---|---|
| Caudate | glial cells | Not detected | Protein (IHC) | HPA → |
| Heart muscle | cardiomyocytes | Not detected | Protein (IHC) | HPA → |
| Hippocampus | glial cells | Not detected | Protein (IHC) | HPA → |
| Skeletal muscle | myocytes | Not detected | Protein (IHC) | HPA → |
| Smooth muscle | smooth muscle cells | Not detected | Protein (IHC) | HPA → |
Section 3
Advanced PGD Western Blot Tips
Deeper troubleshooting and optimisation questions for PGD, answered from its protein features.
Where should the main PGD band appear?
Band shift · The predicted mass is 53.1 kDa. No observed band position was supplied, so use 53.1 kDa as a reference rather than an expected apparent position. The listed modifications alone do not establish a visible shift.
Could PGD isoforms produce different bands?
Isoforms · UniProt lists isoforms 1 and 2; isoform 2 lacks residues 1–13 of the canonical sequence. Consider this sequence difference when assessing nearby bands, but the feature does not establish that two bands will resolve.
Which PGD modification sites matter when interpreting bands?
PTM · In UniProt canonical coordinates, PGD has N6-acetyllysine at 38, 59 and 309, and phosphoserine at 57 and 129. Check the numbering convention of any site-specific antibody before comparing sites. These features do not establish a visible band shift.
Does this guide establish induction of PGD?
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.
How should transfer be checked for PGD?
Transfer · Standard workflow guidance: verify transfer efficiency for the intended target size before interpreting a weak signal. Use total-protein assessment and optimize transfer for the membrane, gel and apparatus; the labelled catalog values take precedence.
How should blocking be optimized?
Blocking · Standard workflow guidance: follow the M01623-1 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.
How should close PGD bands be quantified?
Quantitation · Decide whether to measure one band or the combined signal before comparing samples. PGD has two annotated isoforms, with isoform 2 missing canonical residues 1–13; the supplied features do not establish which band, if any, represents either isoform.
How should an unexpected higher PGD band be interpreted?
Interpretation · PGD is annotated as a homodimer, while its predicted 53.1 kDa mass refers to one chain. Consider dimeric material when evaluating a higher band, but this annotation alone does not show that a dimer survives the blot conditions or identify the band.
PGD is annotated in the cytoplasm. A cytoplasmic sample is therefore relevant when checking its expression; interpret a weak signal in another fraction with that location in mind.
PGD is annotated in the cytoplasm. A cytoplasmic sample is therefore relevant when checking its expression; interpret a weak signal in another fraction with that location in mind.
Boster reagents
PGD 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-PGD Rabbit Monoclonal Antibody
Cat # M01623-1
Real WB data
Anti-PGD Antibody Picoband®
Cat # A01623-3
Both listed anti-PGD antibodies have Western blot images and reported human, mouse, and rat reactivity. M01623-1 was shown with 293, mouse kidney, and rat kidney lysates. A01623-3 was shown with listed cell and tissue lysates. These examples do not establish broader validation.
Which to pick: Choose M01623-1 for a closer match to 293 or kidney lysates. Choose A01623-3 for a closer match to its listed human cell lines, rat liver or PC-12, or mouse RAW264.7; its caption also reports a band near 48 kDa and detailed conditions.
Source: BosterBio PGD gene-info card — filtered to Western-blot-capable antibodies; each card shows that product's actual WB validation figure.
References
- UniProt Consortium. UniProt entry P52209.
- Human Protein Atlas. PGD tissue expression.
- PMC12076051 — target-verified WB comparison
- PMC9677906 — target-verified WB comparison
- PMC11462980 — target-verified WB comparison