Human STUB1 ELISA Kit
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주문- SKU:
- HUFI02882
- Product Type:
- ELISA Kit
- Size:
- 96 Assays
- Uniprot:
- Q9UNE7
- Sensitivity:
- 18.75pg/ml
- Range:
- 31.25-2000pg/ml
- ELISA Type:
- Sandwich ELISA, Double Antibody
- Synonyms:
- STUB1, HSPABP2, NY-CO-7, SDCCAG7, STUB1, UBOX1, Antigen NY-CO-7, Carboxy terminus of Hsp70-interacting protein, CHIPSTIP1 homology and U box-containing protein 1, CLL-associated antigen KW-8, E3 ubiquitin-protein ligase CHIP, EC 6.3.2.-, heat shock p
- Reactivity:
- Human
Frequently bought together:
Description
| Product Name: | Human STUB1 ELISA Kit |
| Product Code: | HUFI02882 |
| Size: | 96 Assays |
| Alias: | STUB1, HSPABP2, NY-CO-7, SDCCAG7, STUB1, UBOX1, Antigen NY-CO-7, Carboxy terminus of Hsp70-interacting protein, CHIPSTIP1 homology and U box-containing protein 1, CLL-associated antigen KW-8, E3 ubiquitin-protein ligase CHIP, EC 6.3.2.-, heat shock protein A binding protein 2, c-terminal, HSPABP2, NY-CO-7, SDCCAG7, serologically defined colon cancer antigen 7, STIP1 homology and U-box containing protein 1, STIP1 homology and U-box containing protein 1, E3 ubiquitin protein ligase, UBOX1 |
| Detection method: | Sandwich ELISA, Double Antibody |
| Application: | This immunoassay kit allows for the in vitro quantitative determination of Human STUB1 concentrations in serum plasma and other biological fluids. |
| Sensitivity: | 18.75pg/ml |
| Range: | 31.25-2000pg/ml |
| Storage: | 4°C for 6 months |
| Note: | For Research Use Only |
| Recovery: | Matrices listed below were spiked with certain level of Human STUB1 and the recovery rates were calculated by comparing the measured value to the expected amount of Human STUB1 in samples. | ||||||||||||||||
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| Linearity: | The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Human STUB1 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 | Q9UNE7 |
| UniProt Protein Function: | CHIP: E3 ubiquitin-protein ligase which targets misfolded chaperone substrates towards proteasomal degradation. Collaborates with ATXN3 in the degradation of misfolded chaperone substrates: ATXN3 restricting the length of ubiquitin chain attached to STUB1/CHIP substrates and preventing further chain extension. Ubiquitinates NOS1 in concert with Hsp70 and Hsp40. Modulates the activity of several chaperone complexes, including Hsp70, Hsc70 and Hsp90. Mediates transfer of non-canonical short ubiquitin chains to HSPA8 that have no effect on HSPA8 degradation. Mediates polyubiquitination of DNA polymerase beta (POLB) at 'Lys-41', 'Lys-61' and 'Lys-81', thereby playing a role in base-excision repair: catalyzes polyubiquitination by amplifying the HUWE1/ARF- BP1-dependent monoubiquitination and leading to POLB-degradation by the proteasome. Mediates polyubiquitination of CYP3A4. Ubiquitinates EPHA2 and may regulate the receptor stability and activity through proteasomal degradation. Homodimer. Interacts with BAG2, and with the E2 ubiquitin conjugating enzymes UBE2D1, UBE2D2 and UBE2D3. Interacts with the C-terminal domains of HSPA8 and HSPA1A. Detected in a ternary complex containing STUB1, HSPA1A and HSPBP1. Interacts with MKKS. Interacts with DYX1C1 and POLB. Interacts (via TPR repeats) with HSP90AA1. Interacts (when monoubiquitinated) with ATXN3. Interacts with UBE2W. Interacts (via the U-box domain) with the UBE2V2- UBE2N heterodimer; the complex has a specific 'Lys-63'-linked polyubiquitination activity. Interacts with DNAJB6. Highly expressed in skeletal muscle, heart, pancreas, brain and placenta. Detected in kidney, liver and lung. 2 isoforms of the human protein are produced by alternative splicing. |
| UniProt Protein Details: | Protein type:EC 6.3.2.19; Ubiquitin ligase; EC 6.3.2.-; Ligase; Ubiquitin conjugating system; Adaptor/scaffold Chromosomal Location of Human Ortholog: 16p13.3 Cellular Component: nucleoplasm; intermediate filament cytoskeleton; endoplasmic reticulum; ubiquitin conjugating enzyme complex; cytoplasm; plasma membrane; cytosol; ubiquitin ligase complex; nuclear inclusion body Molecular Function:protein binding, bridging; protein homodimerization activity; ubiquitin-protein ligase activity; misfolded protein binding; Hsp90 protein binding; Hsp70 protein binding; protein binding; enzyme binding; G-protein-coupled receptor binding; TPR domain binding; ubiquitin protein ligase binding; SMAD binding; kinase binding; ligase activity Biological Process: ubiquitin-dependent protein catabolic process; proteasomal ubiquitin-dependent protein catabolic process; protein autoubiquitination; protein polyubiquitination; unfolded protein response; protein maturation; misfolded or incompletely synthesized protein catabolic process; DNA repair; ubiquitin-dependent SMAD protein catabolic process; positive regulation of protein ubiquitination; transforming growth factor beta receptor signaling pathway; positive regulation of proteasomal ubiquitin-dependent protein catabolic process; positive regulation of ubiquitin-protein ligase activity; regulation of glucocorticoid metabolic process; negative regulation of transforming growth factor beta receptor signaling pathway; negative regulation of protein binding Disease: Spinocerebellar Ataxia, Autosomal Recessive 16 |
| NCBI Summary: | This gene encodes a protein containing tetratricopeptide repeat and a U-box that functions as a ubiquitin ligase/cochaperone. The encoded protein binds to and ubiquitinates shock cognate 71 kDa protein (Hspa8) and DNA polymerase beta (Polb), among other targets. Mutations in this gene cause spinocerebellar ataxia, autosomal recessive 16. Alternative splicing results in multiple transcript variants. There is a pseudogene for this gene on chromosome 2. [provided by RefSeq, Jun 2014] |
| UniProt Code: | Q9UNE7 |
| NCBI GenInfo Identifier: | 78099173 |
| NCBI Gene ID: | 10273 |
| NCBI Accession: | Q9UNE7.2 |
| UniProt Related Accession: | Q9UNE7 |
| Molecular Weight: | |
| NCBI Full Name: | E3 ubiquitin-protein ligase CHIP |
| NCBI Synonym Full Names: | STIP1 homology and U-box containing protein 1 |
| NCBI Official Symbol: | STUB1Â Â |
| NCBI Official Synonym Symbols: | CHIP; SCA48; UBOX1; SCAR16; HSPABP2; NY-CO-7; SDCCAG7Â Â |
| NCBI Protein Information: | E3 ubiquitin-protein ligase CHIP |
| UniProt Protein Name: | E3 ubiquitin-protein ligase CHIP |
| UniProt Synonym Protein Names: | Antigen NY-CO-7; CLL-associated antigen KW-8; Carboxy terminus of Hsp70-interacting protein; STIP1 homology and U box-containing protein 1 |
| Protein Family: | Chitoporin |
| UniProt Gene Name: | STUB1Â Â |
| UniProt Entry Name: | CHIP_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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