MBTPS1 Rabbit Polyclonal Antibody
MSDS 
Key features and details
Rabbit polyclonal antibody to MBTPS1
- Target:
- Source/Host:
- Reactivity:
- Clonality:
- Applications:
- Conjugation:
- Storage:
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Brand:
CAT.NO. : APA13546
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Product Details
Background
Serine protease that cleaves after hydrophobic or small residues, provided that Arg or Lys is in position P4: known substrates include SREBF1/SREBP1, SREBF2/SREBP2, BDNF, GNPTAB, ATF6, ATF6B and FAM20C . Cleaves substrates after Arg-Ser-Val-Leu (SREBP2), Arg-His-Leu-Leu (ATF6), Arg-Gly-Leu-Thr (BDNF) and its own propeptide after Arg-Arg-Leu-Leu . Catalyzes the first step in the proteolytic activation of the sterol regulatory element-binding proteins (SREBPs) SREBF1/SREBP1 and SREBF2/SREBP2 . Also mediates the first step in the proteolytic activation of the cyclic AMP-dependent transcription factor ATF-6 (ATF6 and ATF6B) . Mediates the protein cleavage of GNPTAB into subunit alpha and beta, thereby participating in biogenesis of lysosomes .
Application
To ensure optimal assay performance, AREX recommends conducting reagent titration tailored to each testing system for optimal detection results.
*Results are sample-specific. Please refer to your local assay conditions and test parameters for reference.
WB | 1:500 - 1:1000 |
Overview
Description | Rabbit polyclonal antibody to MBTPS1 |
Specificity | Recognizes endogenous levels of MBTPS1 protein. |
Antibody Type | Primary antibody |
Imnunogen | Recombinant fusion protein of human MBTPS1 |
Purification | The antibody was purified by immunogen affinity chromatography. |
Molecular Weight | Predicted: 117 kD; Observed: 117 kD |
Form/Buffer | Liquid in 0.42% Potassium phosphate, 0.87% Sodium chloride, pH 7.3, 30% glycerol, and 0.01% sodium azide. |
Alternative Names | KIAA0091; S1P; SKI1; Membrane-bound transcription factor site-1 protease; Endopeptidase S1P; Subtilisin/kexin-isozyme 1; SKI-1 |
Gene Symbol | MBTPS1 |
Entrez Gene | 8720(Human); 56453(Mouse); 89842(Rat) |
SwissProt | Q14703(Human); Q9WTZ2(Mouse); Q9WTZ3(Rat) |
*Clone Number, Reactivity, Source/Host and Clonality can be found in the product name and Key Features section above.
Data
Western blot analysis of MBTPS1 expression in Hela (A), SKOV3 (B), mouse liver (C), mouse kidney (D), rat brain (E) whole cell lysates. (Predicted band size: 117 kD; Observed band size: 117 kD)
Storage
Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles.
Note
For Research Use Only. Not for use in diagnostic procedures.
FAQs
What are the main types of research antibodies and how do they differ?
Research antibodies are mainly divided into monoclonal antibodies and polyclonal antibodies. Monoclonal antibodies typically offer higher specificity and better batch-to-batch consistency, while polyclonal antibodies often provide stronger affinity but may show more variation between batches. The choice depends on your specific experimental needs.
How can I tell if a research antibody is suitable for my experiment?
It is recommended to carefully review the product datasheet for validated applications, species reactivity, recommended dilutions, and published references. For new antibodies, performing a small-scale validation with positive control samples is usually helpful.
Can improper storage of research antibodies affect experimental results?
Yes. Antibodies are sensitive to temperature, repeated freeze-thaw cycles, and contamination. Improper storage may lead to reduced activity, increased background, or weaker signals. It is best to follow the storage instructions provided in the product datasheet.
Why doesn’t the recommended dilution in the datasheet work well in my experiment?
The recommended dilution is based on the supplier’s test conditions. Factors such as sample type, fixation method, and detection system in your lab can influence the optimal working concentration. Performing a dilution series optimization in your own system is often necessary.
What precautions should I take when using a newly purchased research antibody for the first time?
It is advisable to briefly centrifuge the antibody (especially concentrated or lyophilized ones), then perform a small-scale pilot experiment using the recommended conditions. Recording the batch number and usage date is also helpful for future tracking.
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