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PLOD1 / Procollagen-lysine,2-oxoglutarate 5-dioxygenase 1 · Western blot design guide
Design a Western Blot for PLOD1
Source-linked PLOD1 Western blot protocol options, expected-band and isoform facts, troubleshooting for weak or shifted signal, and recommended anti-PLOD1 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
PLOD1 Western Blot Experimental Design Guide
Expected bands, source-linked protocol options, controls and antibodies — the at-a-glance facts below, then the full design guide.
Must know before running
| Expected band | ~83.6 kDa | |
| Observed band | ~84 kDa | |
| Gel | 5–20% (catalog A05322-1) | |
| Positive control | Colon (IHC candidate; verify WB) +4 more | |
| Negative control | Adipose tissue (IHC candidate; verify WB) |
Important caveats
Reasons your observed band may differ from the expected size.
| PTM | Glycosylated + Cleaved | |
| Caveat | Glycosylation-state controls | |
| Gene-set association | MSigDB Hallmark membership | |
| Isoform | 2 isoform(s) |
Section 1
Source-Linked PLOD1 Western Blot Protocol Options
The A05322-1 protocol combines labelled catalog values with standard starting conditions. Published comparisons retain their own sample, reagent and detection scope.
| Sample / lysate | human U87, human HepG2, human U251 (catalog A05322-1) |
| Gel % | 5–20% (catalog A05322-1) |
| Load | 30 ug; reducing conditions (catalog A05322-1) |
| Transfer | a nitrocellulose membrane at 150 mA for 50-90 minutes (catalog A05322-1) |
| Membrane | nitrocellulose membrane (catalog A05322-1) |
| Blocking | 5% non-fat milk/TBS for 1.5 hour at RT (catalog A05322-1) |
| Primary antibody | A05322-1 · 0.5 μg/mL (catalog A05322-1) |
| Primary incubation | overnight at 4°C (catalog A05322-1) |
| Secondary antibody | goat anti-rabbit IgG-HRP, 1:5000 (catalog A05322-1) |
| Secondary incubation | 1.5 hour at RT (catalog A05322-1) |
| Wash | TBS-0.1%Tween 3 times with 5 minutes each (catalog A05322-1) |
| Detection | ECL (catalog A05322-1) |
Section 2
What Is the Expected PLOD1 Western Blot Band Size?
PLOD1 is predicted at 83.6 kDa and observed at ~84 kDa; the supplied evidence does not establish a cause for the small difference.
| Band at ~84 kDa | Empirical PLOD1 band, close to the 83.6 kDa predicted precursor mass; confirm identity with an antibody specificity control |
| Band near twice the monomer size | Could reflect the annotated homodimer if it remains intact during electrophoresis |
| Band slightly below the precursor position | Could reflect removal of the 1–18 signal peptide; its migration is not established |
| Broader band near ~84 kDa | Could reflect variable N-linked glycosylation, though the listed sites do not establish a visible smear |
| More than one band | Could reflect isoforms 1 and 2, though distinct migration is not established |
💡Expected PLOD1 appearancePLOD1 has a predicted precursor mass of 83.6 kDa and an empirical band at ~84 kDa in reducing whole-cell blots; confirm band identity with an antibody specificity control.
| 83.6 kDa predicted precursor mass | Provides the sequence-based reference; the observed band is ~84 kDa |
| N-linked glycosylation at Asn163, Asn197, Asn538 and Asn686 | Could alter apparent mass, but the size of any shift is not established |
| Homodimer annotated by similarity | Could appear near twice the monomer size if preserved during electrophoresis |
| Splice isoforms 1 and 2 | May differ in apparent size; distinct migration is not established |
| Signal peptide at residues 1–18 | Its removal could make mature protein smaller than the precursor; the migration difference is not established |
| Situation | Likely cause | Next action |
|---|---|---|
| Band higher than expected | A homodimer may have remained intact | Compare reducing and non-reducing samples and confirm band identity |
| Band lower than expected | Signal-peptide removal may contribute to a lower mass | Compare with a validated PLOD1 positive control and confirm band identity |
| Broad smear instead of sharp band | Variable N-linked glycosylation is possible | Compare matched samples before and after N-glycan removal |
| Multiple bands | Isoforms 1 and 2 or signal-peptide processing may contribute | Use an antibody specificity control; do not assign bands to isoforms by size alone |
| Weak or no signal | PLOD1 is located on the lumenal side of the rough endoplasmic reticulum membrane | Check a validated positive whole-cell lysate and consider an endoplasmic reticulum-enriched fraction |
Experiment evidence
Western blot images showing PLOD1 band
A05322-1 · PLOD1
← swipe / scroll for more images →
Real WB data behind the band-size expectations in this section.
Sample controls for PLOD1 Western blot
🧪HPA-IHC candidate guidance (verify in WB): For positive controls for PLOD1 in Western blot, you can use colon tissue, which HPA scores High.
Positive control: Colon (IHC candidate; verify WB)
Negative control: Adipose tissue (IHC candidate; verify WB)
Loading controls: Run GAPDH, β-actin, and a total-protein stain alongside the samples.
⚠️Feasibility: Colon and adipose tissue provide candidate positive and negative lysate controls for this ER-associated protein.
HPA tissue expression evidence for PLOD1
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 |
|---|---|---|---|---|
| Colon | glandular cells | High | Protein (IHC) | HPA → |
| Endometrium | glandular cells | High | Protein (IHC) | HPA → |
| Epididymis | glandular cells | High | Protein (IHC) | HPA → |
| Placenta | decidual cells | High | Protein (IHC) | HPA → |
| Rectum | glandular cells | High | Protein (IHC) | HPA → |
Lower expression tissues · IHC evidence, not confirmed WB-negative controls
| Tissue | Cell type | Level | Evidence | Source |
|---|---|---|---|---|
| Adipose tissue | adipocytes | Not detected | Protein (IHC) | HPA → |
| Adrenal gland | glandular cells | Not detected | Protein (IHC) | HPA → |
| Bone marrow | hematopoietic cells | Not detected | Protein (IHC) | HPA → |
| Breast | adipocytes | Not detected | Protein (IHC) | HPA → |
| Bronchus | respiratory epithelial cells | Not detected | Protein (IHC) | HPA → |
Section 3
Advanced PLOD1 Western Blot Tips
Deeper troubleshooting and optimisation questions for PLOD1, answered from its protein features.
How should PLOD1 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.
Could PLOD1 isoforms produce different bands?
Isoforms · UniProt lists isoforms 1 and 2. Isoform 2 replaces Glu25 with a longer sequence, so its predicted sequence length differs. Whether both isoforms are present in your sample or resolve as separate bands requires experimental confirmation.
Which PLOD1 glycosylation sites matter when interpreting bands?
PTM · UniProt lists N-linked glycosylation at Asn163, Asn197, Asn538 and Asn686, using UniProt sequence coordinates. Different glycosylation could affect mobility, but the annotations do not show that any observed band difference is caused by these sites.
Does this guide establish induction of PLOD1?
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 PLOD1?
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 A05322-1 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 multiple PLOD1 bands be quantified?
Quantitation · Define which bands are being measured and apply the same rule across samples. PLOD1 has two annotated isoforms and four N-linked glycosylation sites; a single band may not represent every form. Establish band identity before combining their signals.
Why does PLOD1 run near 84 kDa?
Interpretation · The observed ~84 kDa band is close to the predicted 83.6 kDa. PLOD1 has a signal peptide at residues 1..18 and four annotated N-linked glycosylation sites, but these features alone do not establish a visible shift or explain the apparent mass.
UniProt annotates a signal peptide at residues 1..18. Its removal would change the mature sequence, but the supplied features do not establish how much this changes migration. Do not assign an unexpected band to signal peptide processing without further evidence.
PLOD1 is annotated on the lumenal side of the rough endoplasmic reticulum membrane as a peripheral membrane protein. Include ER-containing material when preparing samples, and interpret a weak signal in a fraction lacking that material cautiously.
PLOD1 is described as a homodimer and as part of a complex with P3H3 and P3H4, both by similarity. Those annotations do not establish that either survives Western blot preparation. Consider isoform or glycosylation differences as possibilities, and verify the band's identity before assigning a cause.
UniProt annotates a signal peptide at residues 1..18. Its removal would change the mature sequence, but the supplied features do not establish how much this changes migration. Do not assign an unexpected band to signal peptide processing without further evidence.
PLOD1 is annotated on the lumenal side of the rough endoplasmic reticulum membrane as a peripheral membrane protein. Include ER-containing material when preparing samples, and interpret a weak signal in a fraction lacking that material cautiously.
PLOD1 is described as a homodimer and as part of a complex with P3H3 and P3H4, both by similarity. Those annotations do not establish that either survives Western blot preparation. Consider isoform or glycosylation differences as possibilities, and verify the band's identity before assigning a cause.
Boster reagents
PLOD1 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-PLOD1 Antibody Picoband®
Cat # A05322-1
The catalog reports one anti-PLOD1 antibody for WB: A05322-1, with stated human reactivity. Its WB image shows an approximately 84 kDa band in U87, HepG2, and U251 whole-cell lysates. Performance in other samples is not established by the supplied evidence.
Which to pick: A05322-1 is the only listed SKU and has a WB image from three human cell lines. Consider it for human PLOD1 WB when those documented sample conditions are relevant; no comparison with another antibody is supplied.
Source: BosterBio PLOD1 gene-info card — filtered to Western-blot-capable antibodies; each card shows that product's actual WB validation figure.
References
- UniProt Consortium. UniProt entry Q02809.
- Human Protein Atlas. PLOD1 tissue expression.
- PMC13332317 — target-verified WB comparison
- PMC12586265 — target-verified WB comparison
- PMC6382422 — target-verified WB comparison