Human ERAP1 (Endoplasmic reticulum aminopeptidase 1) ELISA Kit (HUFI05291)
- SKU:
- HUFI05291
- Product Type:
- ELISA Kit
- Size:
- 96 Assays
- Uniprot:
- Q9NZ08
- Sensitivity:
- 0.188ng/ml
- Range:
- 0.313-20ng/ml
- ELISA Type:
- Sandwich
- Synonyms:
- A LAP, ALAP, Aminopeptidase PILS, APPILS, ARTS 1, ARTS1, ERAAP, ERAAP1, ERAP1, KIAA0525, PILS AP, PILSAP
- Reactivity:
- Human
Description
Human ERAP1 (Endoplasmic reticulum aminopeptidase 1) ELISA Kit (HUFI05291)
The Human ERAP1 (Endoplasmic Reticulum Aminopeptidase 1) ELISA Kit is specifically designed for the accurate measurement of ERAP1 levels in human serum, plasma, and cell culture supernatants. With its high sensitivity and specificity, this kit provides reliable and reproducible results, making it an ideal tool for a variety of research applications.ERAP1 is a key enzyme involved in antigen processing and presentation, playing a critical role in the immune response. Dysregulation of ERAP1 has been linked to autoimmune diseases, inflammatory disorders, and certain cancers, highlighting its importance as a potential therapeutic target and biomarker for these conditions.
This ELISA kit enables researchers to quantitatively analyze ERAP1 levels in biological samples, providing valuable insights into its role in health and disease. With its user-friendly protocol and robust performance, the Human ERAP1 ELISA Kit is a valuable resource for studying ERAP1 function and developing targeted therapies.
| Product Name: | Human ERAP1 (Endoplasmic reticulum aminopeptidase 1) ELISA Kit |
| Product Code: | HUFI05291 |
| Size: | 96 Assays |
| Alias: | A LAP ELISA Kit, ALAP ELISA Kit, Aminopeptidase PILS ELISA Kit, APPILS ELISA Kit, ARTS 1 ELISA Kit, ARTS1 ELISA Kit, ERAAP ELISA Kit, ERAAP1 ELISA Kit, ERAP1 ELISA Kit, KIAA0525 ELISA Kit, PILS AP ELISA Kit, PILSAP ELISA Kit |
| Detection method: | Sandwich ELISA, Double Antibody |
| Application: | This immunoassay kit allows for the in vitro quantitative determination of Human ERAP1 (Endoplasmic reticulum aminopeptidase 1) concentrations in serum plasma and other biological fluids. |
| Sensitivity: | < 0.188ng/ml |
| Range: | 0.313-20ng/ml |
| Storage: | 4°C for 6 months |
| Note: | For Research Use Only |
| Recovery: | Matrices listed below were spiked with certain level of Human ERAP1 (Endoplasmic reticulum aminopeptidase 1) and the recovery rates were calculated by comparing the measured value to the expected amount of Human ERAP1 (Endoplasmic reticulum aminopeptidase 1) in samples. Enquire for more information. |
| Linearity: | The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Human ERAP1 (Endoplasmic reticulum aminopeptidase 1) and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected. Enquire for more information. |
| 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 Protein Function: | ARTS1: Aminopeptidase that plays a central role in peptide trimming, a step required for the generation of most HLA class I- binding peptides. Peptide trimming is essential to customize longer precursor peptides to fit them to the correct length required for presentation on MHC class I molecules. Strongly prefers substrates 9-16 residues long. Rapidly degrades 13-mer to a 9-mer and then stops. Preferentially hydrolyzes the residue Leu and peptides with a hydrophobic C-terminus, while it has weak activity toward peptides with charged C-terminus. May play a role in the inactivation of peptide hormones. May be involved in the regulation of blood pressure through the inactivation of angiotensin II and/or the generation of bradykinin in the kidney. Belongs to the peptidase M1 family. 2 isoforms of the human protein are produced by alternative splicing. |
| UniProt Protein Details: | Protein type:Protease; EC 3.4.11.-; Membrane protein, integral Chromosomal Location of Human Ortholog: 5q15 Cellular Component: endoplasmic reticulum lumen; extracellular region; extracellular space; membrane; plasma membrane Molecular Function:aminopeptidase activity; endopeptidase activity; interleukin-1, Type II receptor binding; interleukin-6 receptor binding; metalloexopeptidase activity; peptide binding; protein binding; zinc ion binding Biological Process: angiogenesis; antigen processing and presentation of endogenous peptide antigen via MHC class I; antigen processing and presentation of peptide antigen via MHC class I; membrane protein ectodomain proteolysis; peptide catabolic process; regulation of blood pressure |
| NCBI Summary: | The protein encoded by this gene is an aminopeptidase involved in trimming HLA class I-binding precursors so that they can be presented on MHC class I molecules. The encoded protein acts as a monomer or as a heterodimer with ERAP2. This protein may also be involved in blood pressure regulation by inactivation of angiotensin II. Three transcript variants encoding two different isoforms have been found for this gene.[provided by RefSeq, Oct 2010] |
| UniProt Code: | Q9NZ08 |
| NCBI GenInfo Identifier: | 158937334 |
| NCBI Gene ID: | 51752 |
| NCBI Accession: | Q9NZ08.3 |
| UniProt Secondary Accession: | Q9NZ08,O60278, Q6UWY6, Q8NEL4, Q8TAD0, Q9UHF8, Q9UKY2 |
| UniProt Related Accession: | Q9NZ08 |
| Molecular Weight: | 107,841 Da |
| NCBI Full Name: | Endoplasmic reticulum aminopeptidase 1 |
| NCBI Synonym Full Names: | endoplasmic reticulum aminopeptidase 1 |
| NCBI Official Symbol: | ERAP1 |
| NCBI Official Synonym Symbols: | ALAP; A-LAP; ARTS1; ERAAP; APPILS; ARTS-1; ERAAP1; PILSAP; PILS-AP |
| NCBI Protein Information: | endoplasmic reticulum aminopeptidase 1 |
| UniProt Protein Name: | Endoplasmic reticulum aminopeptidase 1 |
| UniProt Synonym Protein Names: | ARTS-1; Adipocyte-derived leucine aminopeptidase; A-LAP; Aminopeptidase PILS; Puromycin-insensitive leucyl-specific aminopeptidase; PILS-AP; Type 1 tumor necrosis factor receptor shedding aminopeptidase regulator |
| Protein Family: | Endoplasmic reticulum aminopeptidase |
| UniProt Gene Name: | ERAP1 |
| UniProt Entry Name: | ERAP1_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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