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Product Info Summary
| SKU: | EK1148 |
|---|---|
| Size: | 96 wells/kit, with removable strips. |
| Reactive Species: | Mouse |
| Application: | ELISA |
| Sample Types: | cell culture supernatants, cell lysates, serum and plasma (heparin, EDTA). |
Product info
Product Name
Mouse PCSK9/Proprotein Convertase 9 ELISA Kit PicoKine®
View all Proprotein Convertase 9/PCSK9 ELISA kits
SKU/Catalog Number
EK1148
Size
96 wells/kit, with removable strips.
*Question: How many samples can I assay/run in this kit?
Description
Mouse PCSK9/Proprotein Convertase 9 ELISA Kit PicoKine® (96 Tests). Quantitate Mouse Pcsk9 in cell culture supernatants, cell lysates, serum and plasma (heparin, EDTA). Sensitivity: 10pg/ml. The brand Picokine indicates this is a premium quality ELISA kit. Each Picokine kit delivers precise quantification, high sensitivity, and excellent reproducibility. Only our most reliable and effective kits qualify as Picokine, guaranteeing top-tier results for your assays.
Storage & Handling
Store at 4°C for 6 months, at -20°C for 12 months. Avoid multiple freeze-thaw cycles (Ships with gel ice, can store for up to 3 days in room temperature. Freeze upon receiving.)
Cite This Product
Mouse PCSK9/Proprotein Convertase 9 ELISA Kit PicoKine® (Boster Biological Technology, Pleasanton CA, USA, Catalog # EK1148)
Clonality of Antibodies
See Datasheet for details
Standard Protein
Expression system for standard: NS0; Immunogen sequence: S156-Q694
Sensitivity
<10 pg/ml
Assay Range
156 pg/ml - 10,000 pg/ml
Standard Dilution Instructions
See datasheet of EK1148 for more details
Cross-reactivity
There is no detectable cross-reactivity with other relevant proteins.
Reactive Species
EK1148 is reactive to Pcsk9 in Mouse samples
Validated Sample Types
cell culture supernatants, cell lysates, serum and plasma (heparin, EDTA).
Application Guarantee
EK1148 is guaranteed for ELISA in Mouse by Boster Guarantee
See how Boster Bio validate our ELISA kits: ELISA Validation Information
Background of Proprotein Convertase 9/PCSK9
Proprotein convertase subtilisin/kexin type 9, also known as PCSK9, is an enzyme that in humans is encoded by the PCSK9 gene. This gene encodes a proprotein convertase belonging to the proteinase K subfamily of the secretory subtilase family. By genomic sequence analysis, the PCSK9 gene was mapped to chromosome 1p32. This protein plays a major regulatory role in cholesterol homeostasis. PCSK9 binds to the epidermal growth factor-like repeat A (EGF-A) domain of the low-density lipoprotein receptor (LDLR), inducing LDLR degradation. Reduced LDLR levels result in decreased metabolism of low-density lipoproteins (LDL), which could lead to hypercholesterolemia. PCSK9 may also have a role in the differentiation of cortical neurons.
Kit Components
| Catalog Number | Description | Quantity |
|---|---|---|
| EK1148-CAP | Anti-Mouse Pcsk9 Pre-coated 96-well strip microplate | 1 |
| EK1148-ST | Mouse Pcsk9 Standard | 2 vials, 10 ng/tube |
| EK1148-DA | Mouse Pcsk9 Biotinylated antibody (100x) | 100ul |
| AR1103 | Avidin-Biotin-Peroxidase Complex (100x) | 100ul |
| AR1106-1 | Sample Diluent | 30ml |
| AR1106-2 | Antibody Diluent | 12ml |
| AR1106-3 | Avidin-Biotin-Peroxidase Diluent | 12ml |
| AR1104 | Color Developing Reagent (TMB) | 10ml |
| AR1105 | Stop Solution | 10ml |
| AR1106-5 | Wash Buffer (25x) | 20ml |
| PLA-SEA | Adhesive plate sealers | 4 |
*The kit components are not available for individual purchase.
Materials Required But Not Included In Kit
- Microplate Reader capable of reading absorbance at 450nm.
- Incubator.
- Automated plate washer (optional).
- Pipettes and pipette tips capable of precisely dispensing 0.5 µl through 1 ml volumes of aqueous solutions.
- Multichannel pipettes are recommended for large amount of samples.
- Deionized or distilled water.
- 500ml graduated cylinders.
- Test tubes for dilution.
Data Examples, Quality Control Data & Sample Dilution
Validation Standard Curve O.D. At 450nm
| Concentration(pg/ml) | 0 | 156 | 312 | 625 | 1,250 | 2,500 | 5,000 | 10,000 |
| O.D. | 0.085 | 0.182 | 0.231 | 0.350 | 0.581 | 1.033 | 1.768 | 2.057 |
Data Example Images
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Mouse PCSK9 PicoKine ELISA Kit standard curve
Recommended Sample Dilution Ratios
According to our internal validation assays using this ELISA kit, to detect Proprotein Convertase 9/PCSK9, Dilution ratio of 1:100, concentration in serum and plasma is 100-150 ng/ml..
Intra Assay Consistency & Inter Assay Consistency
We measured random samples of Mouse PCSK9/Proprotein Convertase 9 ELISA Kit PicoKine® within the same batch/lot to ensure the consistency of the kits' performances. ELISA intra assay consistency is measured using wells from the same plate/assay kit. ELISA inter assay consistency is measured using wells from different plates from the same batch production/lot.
| Intra-Assay Precision | Inter-Assay Precision | |||||
|---|---|---|---|---|---|---|
| Sample | 1 | 2 | 3 | 1 | 2 | 3 |
| n | 16 | 16 | 16 | 24 | 24 | 24 |
| Mean (pg/ml) | 95 | 662 | 1355 | 93 | 670 | 1497 |
| Standard deviation | 3.99 | 48.33 | 105.69 | 4.93 | 48.91 | 143.71 |
| CV (%) | 4.2% | 7.3% | 7.8% | 5.3% | 7.3% | 9.6% |
Reproducibility
We ensure reproducibility by testing three samples with differing concentrations of Proprotein Convertase 9/PCSK9 in ELISA kits from four different production batches/lots.
| Lots | Lot 1 (pg/ml) | Lot 2 (pg/ml) | Lot 3 (pg/ml) | Lot 4 (pg/ml) | Mean (pg/ml) | Standard Deviation | CV (%) |
|---|---|---|---|---|---|---|---|
| Sample 1 | 95 | 92 | 94 | 103 | 96 | 4.13 | 4.3% |
| Sample 2 | 662 | 606 | 636 | 639 | 636 | 19.71 | 3.1% |
| Sample 3 | 1355 | 1365 | 1463 | 1544 | 1432 | 57.27 | 4% |
Protein Target Info & Infographic
Gene/Protein Information For Pcsk9 (Source: Uniprot.Org, NCBI)
Gene Name
Pcsk9
Full Name
Proprotein convertase subtilisin/kexin type 9
Weight
74823 MW
Superfamily
peptidase S8 family
Alternative Names
Proprotein convertase subtilisin/kexin type 9;3.4.21.-;Neural apoptosis-regulated convertase 1;NARC-1;Proprotein convertase 9;PC9;Subtilisin/kexin-like protease PC9;Pcsk9;Narc1; Pcsk9|AI415265, AI747682, FH3, HCHOLA3, Na, Narc1, PC9|proprotein convertase subtilisin/kexin type 9|proprotein convertase subtilisin/kexin type 9|NARC-1|convertase subtilisin|neural apoptosis regulated convertase 1|proprotein convertase 9|proprotein convertase PC9|subtilisin/kexin-like protease PC9
*if product is indicated to react with multiple species, protein info is based on the gene entry specified above in "species".For more info on Pcsk9, check out the Pcsk9 Infographic
We have 30,000+ of these available, one for each gene! check them out.
In this infographic you will see the following information for Pcsk9: database IDs, super-family, protein function, synonyms, molecular weight, chromosomal locations, tissues of expression, subcellular locations, post translational modifications, and related diseases, research areas & pathways. If you want to see more information included, or would like to contribute to it and be acknowledged, please contact us [email protected].
Specific Publications For Mouse PCSK9/Proprotein Convertase 9 ELISA Kit PicoKine® (EK1148)
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Customer Reviews
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Customer Q&As
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10 Customer Q&As for Mouse PCSK9/Proprotein Convertase 9 ELISA Kit PicoKine®
Question
Q: how do I analyze ELISA data? I have performed PCSK9 level in cell lysates.
Verified Customer
Verified customer
Asked: 2020-06-26
Answer
A: please read this article on ELISA data analysis. bosterbio.com/ELISA-data-analysis-instructions. we also provide a convenient online tool that you can use to analyze ELISA data. bosterbio.com/biology-research-tools/ELISA-data-analysis-online
Boster Scientific Support
Answered: 2020-06-26
Question
Q: What is the optimal O.D. value for PCSK9 ELISA kit? I performed your PCSK9 ELISA on serum samples. For my positive control, I received an O.D. value of 0.826, while my negative control received a value of 0.136. I obtained both of these controls from the ELISA kit, where your kit's typical data shows O.D. values much higher than my positive control and your background is lower. My samples O.D. values are around 0.225 and the highest is only 0.357. can I consider these samples contain PCSK9 even though the O.D. values are not very high?
B. Phillips
Verified customer
Asked: 2020-06-01
Answer
A: The absolute O.D. values may change according to incubation time. The more you incubate the higher the O.D. values are going to be. what you should focus on is whether your sample O.D. values are statistically significantly higher than your blank values. in your example, you could extend your development time in the substrate incubation step to obtain higher O.D. values, as long as your negative controls' O.D. values are not increasing faster in relation to your positive controls. typically, a sample with O.D. value 2 standard deviations higher than your negative controls can be considered positive. We calculate the sensitivity of this ELISA kit by changeing cutoff O.D. value, calculated as the average of 20 negative controls plus 2 standard deviations of the 20 negative controls, into a concentration. in other words, when we claim this PCSK9 ELISA kit to have sensitivity of 10pg/ml, that means the minimum amount of PCSK9 that can be declared/interpreted as positive by the above standard is 10pg/ml.
Boster Scientific Support
Answered: 2020-06-01
Question
Q: is there any online tool I can use to streamline the data analysis for my ELISA results?
Verified Customer
Verified customer
Asked: 2020-03-27
Answer
A: We have a web based ELISA curve fitting (4pl) and data analysis tool. Please give it a try: bosterbio.com/biology-research-tools/ELISA-data-analysis-online. You can also consult our article on ELISA data analysis: bosterbio.com/ELISA-data-analysis-instructions
Boster Scientific Support
Answered: 2020-03-27
Question
Q: how many samples can be assayed in a Picokine® ELISA Kit?
Verified Customer
Verified customer
Asked: 2020-01-15
Answer
A: The Picokine® ELISA Kits will generally run a 7-point standard curve, non-specific binding wells, and 39 samples in duplicate. this may vary slightly by kit so please refer to each datasheet for details.
Boster Scientific Support
Answered: 2020-01-15
Question
Q: how long can samples (cell cultures, serum, and plasma) be stored and still be stable for quantification PCSK9 using the EK1148 Mouse PCSK9 Picokine® ELISA Kit?
D. Jackson
Verified customer
Asked: 2018-09-25
Answer
A: Boster Bio does not assess sample stability. Variations in sample collection, processing, and storage may affect the stabilityof samples. It is recommend to assay sample immediately after collection when possible, or aliquot into single use volumes and store samples frozen. avoid repeat freeze-thaw cycles with the stored samples to prevent protein degradation.
Boster Scientific Support
Answered: 2018-09-25
Question
Q: Can PCSK9 ELISA Kits be used with tissue homogenates (or other non-validated sample types)?
Verified Customer
Verified customer
Asked: 2018-04-24
Answer
A: Unfortunately, Boster Bio has not routinely validated tissue homogenates as a sample type for ELISA kits. This does not mean that ELISA kits are not suitable for other sample types than we have tested: it means further investigation is required. One will need to perform a spike and recovery study to determine if an unvalidated sample type will work with a particular kit. To perform a spike and recovery experiment, one should divide a sample into two aliquots. In one of the aliquots, the user should spike in a known amount of the kit standard. a dilution series is performed comparing the spiked versus the unspiked sample. Generally, samples with expected recovery and linearity between 80-120% are considered acceptable. This method can be used to validate any sample type that has not been assessd by Boster Bio. for a more detailed spike and recovery protocol, please contact technical support.
Note: acceptable ranges should be determined individually by each laboratory. Additionally, technical support can help determine if a buffer component is not compatible with a given ELISA kit. please check the Citations tab on the product webpage for peer-reviewed papers utilizing a wide range of sample types. We also have an innovator's reward program where if the user validates our ELISA kits in applications or samples previously not validated by Boster Bio or other users, and share such information with us by submit a review, we will reward the user's efforts with a free antibody or ELISA kit from our catalog. Biocompare.com will also give $20 Amazon giftcard as an additional reward, if the review is submitted there as well.
Boster Scientific Support
Answered: 2018-04-24
Question
Q: we need your suggestion regarding the dilution ratio of serum samples for detection of PCSK9 in Mouse cell lysates? I am trying to measure a few parameters and it requires 100ul of diluted samples for each well. We have limited sample quantitys so we like to dilute as much as possible.
T. Phillips
Verified customer
Asked: 2017-10-04
Answer
A: unable to know the physiological or pathological context of your samples we cannot recommend a dilution ratio without performing a pilot test with your samples. Here is how you can perform a pilot study on your own: perform a serial dilution of your samples on the PCSK9 ELISA kit to make sure you have a linear ascending curve followed by a plateau, which signifies the samples saturating the detection limit of the kit. Then you can pick the dilution ratios from samples in the linear part of the curve as your experimental dilution ratio.
If you are interested in using our ELISA service, you can also send us your sample and we will take care of everything for you. You can check our service details here: bosterbio.com/services/assay-services/ELISA-testing-service
Since you mentioned you have limited samples, our cost effective multiplex ELISA service would fit perfectly for your needs, where we can generate dozens of data points using as little as 25ul sample volume. Information on this service is also in the above link.
Boster Scientific Support
Answered: 2017-10-04
Question
Q: is it okay to use citrate plasma as samples in Mouse PCSK9 Picokine® ELISA Kit (Catalog # EK1148)?
H. Surve
Verified customer
Asked: 2016-12-19
Answer
A: Chelating agents such as EDTA, Heparin and Citrate can sequester metal ions from the functional domain of PCSK9 causing disruption of its protein structure. PCSK9 may be denatured as a result and may compromise the assay's measurements. The chilating sites could also be too close to the epitopes needed for detection and block the antigen antibody reaction. We have tested the PCSK9 ELISA, treating samples with various anticoagulants and decided that heparin or EDTA can be used for treatment of blood/plasma samples. Do not use other anticoagulents when collecting samples.
Boster Scientific Support
Answered: 2016-12-19
Question
Q: Are Boster Bio recombinant proteins and antibodies sterile?
Verified Customer
Verified customer
Asked: 2016-07-16
Answer
A: although the vials are bottled using aseptic techniques, heat-treated vials, and sterile stock solutions, they are not considered or guaranteed to be sterile. If sterile material is required for an experiment, the material can be filtered through a 0.2 micron filter designed for use with biological fluids.
Boster Scientific Support
Answered: 2016-07-16
Question
Q: how to thaw whole blood sample for PCSK9 ELISA after freezing?
Verified Customer
Verified customer
Asked: 2014-09-13
Answer
A: we do not recommend freezing and thaw whole blood. erythrocytes are fragile and, if frozen and thawed, will undergo hemolysis rendering the samples useless. To keep your blood samples to test PCSK9 for a later time, you should let the blood clot in glass tubes and separate the serum to freeze for later analysis.
Boster Scientific Support
Answered: 2014-09-13
