SPAK Mouse Monoclonal Antibody(C4033)
MSDS 
Key features and details
Mouse monoclonal antibody to SPAK
- Target:
- Source/Host:
- Reactivity:
- Clonality:
- Applications:
- Conjugation:
- Storage:
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Brand:
CAT.NO. : AMA03645
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Product Details
Background
Effector serine/threonine-protein kinase component of the WNK-SPAK/OSR1 kinase cascade, which is involved in various processes, such as ion transport, response to hypertonic stress and blood pressure . Specifically recognizes and binds proteins with a RFXV motif . Acts downstream of WNK kinases (WNK1, WNK2, WNK3 or WNK4): following activation by WNK kinases, catalyzes phosphorylation of ion cotransporters, such as SLC12A1/NKCC2, SLC12A2/NKCC1, SLC12A3/NCC, SLC12A5/KCC2 or SLC12A6/KCC3, regulating their activity . Mediates regulatory volume increase in response to hyperosmotic stress by catalyzing phosphorylation of ion cotransporters SLC12A1/NKCC2, SLC12A2/NKCC1 and SLC12A6/KCC3 downstream of WNK1 and WNK3 kinases .
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 - 1:2000 |
Overview
Description | Mouse monoclonal antibody to SPAK |
Specificity | Recognizes endogenous levels of SPAK protein. |
Antibody Type | Primary antibody |
Imnunogen | Recombinant fusion protein of human SPAK. The exact sequence is proprietary. |
Purification | |
Molecular Weight | Predicted: 59 kD; Observed: 64 kD |
Form/Buffer | Mouse IgG1. Supplied in crude ascites with 0.01% sodium azide. |
Alternative Names | SPAK; STE20/SPS1-related proline-alanine-rich protein kinase; Ste-20-related kinase; DCHT; Serine/threonine-protein kinase 39 |
Gene Symbol | STK39 |
Entrez Gene | 27347(Human) |
SwissProt | Q9UEW8(Human) |
*Clone Number, Reactivity, Source/Host and Clonality can be found in the product name and Key Features section above.
Data
Western blot analysis of SPAK expression in HepG2 (A) whole cell lysates. (Predicted band size: 59 kD; Observed band size: 64 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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