Human SRSF2 / SC35 ELISA Kit
- SKU:
- HUFI01053
- Product Type:
- ELISA Kit
- Size:
- 96 Assays
- Uniprot:
- Q01130
- Sensitivity:
- 0.094ng/ml
- Range:
- 0.156-10ng/ml
- ELISA Type:
- Sandwich ELISA, Double Antibody
- Synonyms:
- SRSF2, Serine, arginine-rich splicing factor 2, Splicing factor, arginine, serine-rich 2, Splicing factor SC35, SC-35, Protein PR264, Splicing component, 35 kDa
- Reactivity:
- Human
Frequently bought together:
Description
Human SRSF2 / SC35 ELISA Kit
SRSF2/SC35 is a protein that belongs to the serine/arginine (SR)-rich family of pre-mRNA splicing factors, which are found on the spliceosome. Each of these proteins has an RNA recognition motif (RRM) for RNA binding and an RS domain for protein binding. The RS domain contains a lot of serine and arginine residues, which makes it easier for different SR splicing factors to interact. The SR proteins have been shown to be involved in mRNA export from the nucleus and translation, in addition to being essential for mRNA splicing. This gene has two transcript variants that encode the same protein and one non-coding transcript variant. Aggressive Systemic Mastocytosis and Systemic Mastocytosis With Associated Hematologic Neoplasm are two diseases linked to SRSF2.
| Product Name: | Human SRSF2 / SC35 ELISA Kit |
| Product Code: | HUFI01053 |
| Size: | 96 Assays |
| Alias: | SRSF2, Serine, arginine-rich splicing factor 2, Splicing factor, arginine, serine-rich 2, Splicing factor SC35, SC-35, Protein PR264, Splicing component, 35 kDa |
| Detection method: | Sandwich ELISA, Double Antibody |
| Application: | This immunoassay kit allows for the in vitro quantitative determination of Human SRSF2 concentrations in serum plasma and other biological fluids. |
| Sensitivity: | 0.094ng/ml |
| Range: | 0.156-10ng/ml |
| Storage: | 4°C for 6 months |
| Note: | For Research Use Only |
| Recovery: | Matrices listed below were spiked with certain level of Human SRSF2 and the recovery rates were calculated by comparing the measured value to the expected amount of Human SRSF2 in samples. | ||||||||||||||||
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| Linearity: | The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Human SRSF2 and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected. | ||||||||||||||||
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| CV(%): | Intra-Assay: CV<8% Inter-Assay: CV<10% |
| Component | Quantity | Storage |
| ELISA Microplate (Dismountable) | 8×12 strips | 4°C for 6 months |
| Lyophilized Standard | 2 | 4°C/-20°C |
| Sample/Standard Dilution Buffer | 20ml | 4°C |
| Biotin-labeled Antibody(Concentrated) | 120ul | 4°C (Protect from light) |
| Antibody Dilution Buffer | 10ml | 4°C |
| HRP-Streptavidin Conjugate(SABC) | 120ul | 4°C (Protect from light) |
| SABC Dilution Buffer | 10ml | 4°C |
| TMB Substrate | 10ml | 4°C (Protect from light) |
| Stop Solution | 10ml | 4°C |
| Wash Buffer(25X) | 30ml | 4°C |
| Plate Sealer | 5 | - |
Other materials and equipment required:
- Microplate reader with 450 nm wavelength filter
- Multichannel Pipette, Pipette, microcentrifuge tubes and disposable pipette tips
- Incubator
- Deionized or distilled water
- Absorbent paper
- Buffer resevoir
| Uniprot | Q01130 |
| UniProt Protein Function: | SFRS2: Necessary for the splicing of pre-mRNA. It is required for formation of the earliest ATP-dependent splicing complex and interacts with spliceosomal components bound to both the 5'- and 3'-splice sites during spliceosome assembly. It also is required for ATP-dependent interactions of both U1 and U2 snRNPs with pre- mRNA. Interacts with other spliceosomal components, via the RS domains, to form a bridge between the 5'- and 3'-splice site binding components, U1 snRNP and U2AF. Binds to purine-rich RNA sequences, either 5'-AGSAGAGTA-3' (S=C or G) or 5'-GTTCGAGTA-3'. Can bind to beta-globin mRNA and commit it to the splicing pathway. The phosphorylated form (by SRPK2) is required for cellular apoptosis in response to cisplatin treatment. Belongs to the splicing factor SR family. |
| UniProt Protein Details: | Protein type:RNA processing; RNA splicing; Spliceosome Chromosomal Location of Human Ortholog: 17q25.1 Cellular Component: nucleoplasm; spliceosome; PML body; cytoplasm; nuclear speck; nucleus Molecular Function:protein binding; nucleotide binding; transcription corepressor activity Biological Process: nuclear mRNA splicing, via spliceosome; transcription from RNA polymerase II promoter; mRNA export from nucleus; RNA splicing; gene expression; mRNA 3'-end processing; mRNA processing; termination of RNA polymerase II transcription |
| NCBI Summary: | The protein encoded by this gene is a member of the serine/arginine (SR)-rich family of pre-mRNA splicing factors, which constitute part of the spliceosome. Each of these factors contains an RNA recognition motif (RRM) for binding RNA and an RS domain for binding other proteins. The RS domain is rich in serine and arginine residues and facilitates interaction between different SR splicing factors. In addition to being critical for mRNA splicing, the SR proteins have also been shown to be involved in mRNA export from the nucleus and in translation. Two transcript variants encoding the same protein and one non-coding transcript variant have been found for this gene. In addition, a pseudogene of this gene has been found on chromosome 11. [provided by RefSeq, Sep 2010] |
| UniProt Code: | Q01130 |
| NCBI GenInfo Identifier: | 60416437 |
| NCBI Gene ID: | 6427 |
| NCBI Accession: | Q01130.4 |
| UniProt Secondary Accession: | Q01130,Q62093, Q6PDU1, |
| UniProt Related Accession: | Q01130 |
| Molecular Weight: | Observed MW: 28kDa/32kDaCalculated MW: 24kDa/25kDa |
| NCBI Full Name: | Serine/arginine-rich splicing factor 2 |
| NCBI Synonym Full Names: | serine/arginine-rich splicing factor 2 |
| NCBI Official Symbol: | SRSF2 |
| NCBI Official Synonym Symbols: | SC35; PR264; SC-35; SFRS2; SFRS2A; SRp30b |
| NCBI Protein Information: | serine/arginine-rich splicing factor 2; SR splicing factor 2; splicing factor SC35; splicing component, 35 kDa; splicing factor, arginine/serine-rich 2 |
| UniProt Protein Name: | Serine/arginine-rich splicing factor 2 |
| UniProt Synonym Protein Names: | Protein PR264; Splicing component, 35 kDa; Splicing factor SC35; SC-35; Splicing factor, arginine/serine-rich 2 |
| Protein Family: | Serine/arginine-rich splicing factor |
| UniProt Gene Name: | SRSF2 |
| UniProt Entry Name: | SRSF2_HUMAN |
*Note: Protocols are specific to each batch/lot. For the correct instructions please follow the protocol included in your kit.
Before adding to wells, equilibrate the SABC working solution and TMB substrate for at least 30 min at 37°C. When diluting samples and reagents, they must be mixed completely and evenly. It is recommended to plot a standard curve for each test.
| Step | Protocol |
| 1. | Set standard, test sample and control (zero) wells on the pre-coated plate respectively, and then, record their positions. It is recommended to measure each standard and sample in duplicate. Wash plate 2 times before adding standard, sample and control (zero) wells! |
| 2. | Aliquot 0.1ml standard solutions into the standard wells. |
| 3. | Add 0.1 ml of Sample / Standard dilution buffer into the control (zero) well. |
| 4. | Add 0.1 ml of properly diluted sample ( Human serum, plasma, tissue homogenates and other biological fluids.) into test sample wells. |
| 5. | Seal the plate with a cover and incubate at 37 °C for 90 min. |
| 6. | Remove the cover and discard the plate content, clap the plate on the absorbent filter papers or other absorbent material. Do NOT let the wells completely dry at any time. Wash plate X2. |
| 7. | Add 0.1 ml of Biotin- detection antibody working solution into the above wells (standard, test sample & zero wells). Add the solution at the bottom of each well without touching the side wall. |
| 8. | Seal the plate with a cover and incubate at 37°C for 60 min. |
| 9. | Remove the cover, and wash plate 3 times with Wash buffer. Let wash buffer rest in wells for 1 min between each wash. |
| 10. | Add 0.1 ml of SABC working solution into each well, cover the plate and incubate at 37°C for 30 min. |
| 11. | Remove the cover and wash plate 5 times with Wash buffer, and each time let the wash buffer stay in the wells for 1-2 min. |
| 12. | Add 90 µl of TMB substrate into each well, cover the plate and incubate at 37°C in dark within 10-20 min. (Note: This incubation time is for reference use only, the optimal time should be determined by end user.) And the shades of blue can be seen in the first 3-4 wells (with most concentrated standard solutions), the other wells show no obvious color. |
| 13. | Add 50 µl of Stop solution into each well and mix thoroughly. The color changes into yellow immediately. |
| 14. | Read the O.D. absorbance at 450 nm in a microplate reader immediately after adding the stop solution. |
When carrying out an ELISA assay it is important to prepare your samples in order to achieve the best possible results. Below we have a list of procedures for the preparation of samples for different sample types.
| Sample Type | Protocol |
| Serum | If using serum separator tubes, allow samples to clot for 30 minutes at room temperature. Centrifuge for 10 minutes at 1,000x g. Collect the serum fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles. If serum separator tubes are not being used, allow samples to clot overnight at 2-8°C. Centrifuge for 10 minutes at 1,000x g. Remove serum and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles. |
| Plasma | Collect plasma using EDTA or heparin as an anticoagulant. Centrifuge samples at 4°C for 15 mins at 1000 × g within 30 mins of collection. Collect the plasma fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles. Note: Over haemolysed samples are not suitable for use with this kit. |
| Urine & Cerebrospinal Fluid | Collect the urine (mid-stream) in a sterile container, centrifuge for 20 mins at 2000-3000 rpm. Remove supernatant and assay immediately. If any precipitation is detected, repeat the centrifugation step. A similar protocol can be used for cerebrospinal fluid. |
| Cell culture supernatant | Collect the cell culture media by pipette, followed by centrifugation at 4°C for 20 mins at 1500 rpm. Collect the clear supernatant and assay immediately. |
| Cell lysates | Solubilize cells in lysis buffer and allow to sit on ice for 30 minutes. Centrifuge tubes at 14,000 x g for 5 minutes to remove insoluble material. Aliquot the supernatant into a new tube and discard the remaining whole cell extract. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20 °C. |
| Tissue homogenates | The preparation of tissue homogenates will vary depending upon tissue type. Rinse tissue with 1X PBS to remove excess blood & homogenize in 20ml of 1X PBS (including protease inhibitors) and store overnight at ≤ -20°C. Two freeze-thaw cycles are required to break the cell membranes. To further disrupt the cell membranes you can sonicate the samples. Centrifuge homogenates for 5 mins at 5000xg. Remove the supernatant and assay immediately or aliquot and store at -20°C or -80°C. |
| Tissue lysates | Rinse tissue with PBS, cut into 1-2 mm pieces, and homogenize with a tissue homogenizer in PBS. Add an equal volume of RIPA buffer containing protease inhibitors and lyse tissues at room temperature for 30 minutes with gentle agitation. Centrifuge to remove debris. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20 °C. |
| Breast Milk | Collect milk samples and centrifuge at 10,000 x g for 60 min at 4°C. Aliquot the supernatant and assay. For long term use, store samples at -80°C. Minimize freeze/thaw cycles. |
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