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Mouse E3 ubiquitin-protein ligase HUWE1 (Huwe1) ELISA Kit (MOEB2099)

SKU:
MOEB2099
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
Q7TMY8
Range:
0.312-20 ng/mL.
ELISA Type:
Sandwich
Synonyms:
Huwe1, Upstream regulatory element-binding protein 1, URE-B1
Reactivity:
Mouse
€649
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Description

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Mouse E3 ubiquitin-protein ligase HUWE1 (Huwe1) ELISA Kit

The Mouse E3 Ubiquitin Protein Ligase HUWE1 (HUWE1) ELISA Kit is developed for the precise measurement of HUWE1 levels in mouse serum, plasma, and cell culture supernatants. With its exceptional sensitivity and specificity, this kit offers dependable and consistent results, making it suitable for a variety of research applications.HUWE1 is an important enzyme involved in the regulation of protein degradation through the ubiquitin-proteasome system.

It plays a key role in maintaining cellular homeostasis and controlling the turnover of key proteins involved in various cellular processes. Dysregulation of HUWE1 has been implicated in several diseases, including cancer, neurological disorders, and developmental abnormalities, highlighting its significance as a potential therapeutic target and biomarker for disease diagnosis and treatment strategies.

Product Name:Mouse E3 ubiquitin-protein ligase HUWE1 (Huwe1) ELISA Kit
SKU:MOEB2099
Size:96T
Target:Mouse E3 ubiquitin-protein ligase HUWE1 (Huwe1)
Synonyms:E3Histone, HECT, UBA and WWE domain-containing protein 1, HECT-type E3 ubiquitin transferase HUWE1, Upstream regulatory element-binding protein 1, URE-B1, Kiaa0312, Ureb1
Assay Type:Sandwich
Detection Method:ELISA
Reactivity:Mouse
Detection Range:0.312-20ng/ml
Sensitivity:0.156ng/mL
Intra CV:6.2%
Inter CV:7.6%
Linearity:
Sample1:21:41:81:16
Serum(N=5)95-95%104-114%95-105%102-114%
EDTA Plasma(N=5)108-117%106-118%110-120%109-119%
Heparin Plasma(N=5)102-112%83-93%84-96%90-99%
Recovery:
Sample TypeAverage(%)Recovery Range(%)
Serum10094-106
Plasma10296-108
Function:E3 ubiquitin-protein ligase which mediates ubiquitination and subsequent proteasomal degradation of target proteins. Regulates apoptosis by catalyzing the polyubiquitination and degradation of MCL1. Mediates monoubiquitination of DNA polymerase beta (POLB) at 'Lys-41', 'Lys-61' and 'Lys-81', thereby playing a role in base-excision repair. Also ubiquitinates the p53/TP53 tumor suppressor and core histones including H1, H2A, H2B, H3 and H4. Binds to an upstream initiator-like sequence in the preprodynorphin gene (By similarity). Regulates neural differentiation and proliferation by catalyzing the polyubiquitination and degradation of MYCN. May regulate abundance of CDC6 after DNA damage by polyubiquitinating and targeting CDC6 to degradation. Mediates polyubiquitination of PA2G4.
Uniprot:Q7TMY8
Sample Type:Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids
Specificity:Natural and recombinant mouse E3 ubiquitin-protein ligase HUWE1
Sub Unit:Interacts with isoform p19ARF of CDKN2A which strongly inhibits HUWE1 ubiquitin ligase activity. Interacts with MYCN, POLB and CDC6. Interacts with PA2G4.
Subcellular Location:Cytoplasm Nucleus Mainly expressed in the cytoplasm of most tissues, except in the nucleus of spermatogonia, primary spermatocytes and neuronal cells.
Storage:Please see kit components below for exact storage details
Note:For research use only
UniProt Protein Function:HUWE1: E3 ubiquitin-protein ligase which mediates ubiquitination and subsequent proteasomal degradation of target proteins. Regulates apoptosis by catalyzing the polyubiquitination and degradation of MCL1. Mediates monoubiquitination of DNA polymerase beta (POLB) at 'Lys-41', 'Lys-61' and 'Lys-81', thereby playing a role in base-excision repair. Also ubiquitinates the p53/TP53 tumor suppressor and core histones including H1, H2A, H2B, H3 and H4. Binds to an upstream initiator-like sequence in the preprodynorphin gene. Regulates neural differentiation and proliferation by catalyzing the polyubiquitination and degradation of MYCN. May regulate abundance of CDC6 after DNA damage by polyubiquitinating and targeting CDC6 to degradation. Interacts with isoform p14ARF of CDKN2A which strongly inhibits HUWE1 ubiquitin ligase activity. Interacts with MYCN, POLB and CDC6. Weakly expressed in heart, brain and placenta but not in other tissues. Expressed in a number of cell lines, predominantly in those from colorectal carcinomas. Belongs to the TOM1/PTR1 family. 3 isoforms of the human protein are produced by alternative splicing.
UniProt Protein Details:

Protein type:EC 6.3.2.-; EC 6.3.2.19; Ligase; Ubiquitin conjugating system; Ubiquitin ligase

Chromosomal Location of Human Ortholog: X|X F3

Cellular Component: cytoplasm; membrane; nucleoplasm; nucleus

Molecular Function:ubiquitin-protein ligase activity

Biological Process: base-excision repair; histone ubiquitination; protein monoubiquitination; protein polyubiquitination; protein ubiquitination during ubiquitin-dependent protein catabolic process

UniProt Code:Q7TMY8
NCBI GenInfo Identifier:341941147
NCBI Gene ID:59026
NCBI Accession:Q7TMY8.5
UniProt Secondary Accession:Q7TMY8,Q4G2Z1, Q5BMM7, Q6NS61, Q8BNJ7, Q8CFH2, Q8VD14 Q921M5, Q9R0P2, A2AFQ1,
UniProt Related Accession:Q7TMY8
Molecular Weight:419,496 Da
NCBI Full Name:E3 ubiquitin-protein ligase HUWE1
NCBI Synonym Full Names:HECT, UBA and WWE domain containing 1
NCBI Official Symbol:Huwe1
NCBI Official Synonym Symbols:Mule; Ib772; LASU1; Ureb1; C80292; Gm1718; Arf-bp1; AU041296; 5430439H10Rik; C430014N20Rik
NCBI Protein Information:E3 ubiquitin-protein ligase HUWE1
UniProt Protein Name:E3 ubiquitin-protein ligase HUWE1
UniProt Synonym Protein Names:E3Histone; HECT, UBA and WWE domain-containing protein 1; HECT-type E3 ubiquitin transferase HUWE1; Upstream regulatory element-binding protein 1; URE-B1; URE-binding protein 1
Protein Family:E3 ubiquitin-protein ligase
UniProt Gene Name:Huwe1
Component Quantity (96 Assays) Storage
ELISA Microplate (Dismountable) 8×12 strips -20°C
Lyophilized Standard 2 -20°C
Sample Diluent 20ml -20°C
Assay Diluent A 10mL -20°C
Assay Diluent B 10mL -20°C
Detection Reagent A 120µL -20°C
Detection Reagent B 120µL -20°C
Wash Buffer 30mL 4°C
Substrate 10mL 4°C
Stop Solution 10mL 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

*Note: The below protocol is a sample protocol. Protocols are specific to each batch/lot. For the correct instructions please follow the protocol included in your kit.

Allow all reagents to reach room temperature (Please do not dissolve the reagents at 37°C directly). All the reagents should be mixed thoroughly by gently swirling before pipetting. Avoid foaming. Keep appropriate numbers of strips for 1 experiment and remove extra strips from microtiter plate. Removed strips should be resealed and stored at -20°C until the kits expiry date. Prepare all reagents, working standards and samples as directed in the previous sections. Please predict the concentration before assaying. If values for these are not within the range of the standard curve, users must determine the optimal sample dilutions for their experiments. We recommend running all samples in duplicate.

Step
1. Add Sample: Add 100µL of Standard, Blank, or Sample per well. The blank well is added with Sample diluent. Solutions are added to the bottom of micro ELISA plate well, avoid inside wall touching and foaming as possible. Mix it gently. Cover the plate with sealer we provided. Incubate for 120 minutes at 37°C.
2. Remove the liquid from each well, don't wash. Add 100µL of Detection Reagent A working solution to each well. Cover with the Plate sealer. Gently tap the plate to ensure thorough mixing. Incubate for 1 hour at 37°C. Note: if Detection Reagent A appears cloudy warm to room temperature until solution is uniform.
3. Aspirate each well and wash, repeating the process three times. Wash by filling each well with Wash Buffer (approximately 400µL) (a squirt bottle, multi-channel pipette,manifold dispenser or automated washer are needed). Complete removal of liquid at each step is essential. After the last wash, completely remove remaining Wash Buffer by aspirating or decanting. Invert the plate and pat it against thick clean absorbent paper.
4. Add 100µL of Detection Reagent B working solution to each well. Cover with the Plate sealer. Incubate for 60 minutes at 37°C.
5. Repeat the wash process for five times as conducted in step 3.
6. Add 90µL of Substrate Solution to each well. Cover with a new Plate sealer and incubate for 10-20 minutes at 37°C. Protect the plate from light. The reaction time can be shortened or extended according to the actual color change, but this should not exceed more than 30 minutes. When apparent gradient appears in standard wells, user should terminatethe reaction.
7. Add 50µL of Stop Solution to each well. If color change does not appear uniform, gently tap the plate to ensure thorough mixing.
8. Determine the optical density (OD value) of each well at once, using a micro-plate reader set to 450 nm. User should open the micro-plate reader in advance, preheat the instrument, and set the testing parameters.
9. After experiment, store all reagents according to the specified storage temperature respectively until their expiry.

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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