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Rat Cytochrome c oxidase subunit 4 isoform 1, mitochondrial (Cox4i1) ELISA Kit (RTEB0549)

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SKU:
RTEB0549
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
P10888
Range:
0.156-10 ng/mL
ELISA Type:
Sandwich
Synonyms:
COX4I1, COX4, Cytochrome c oxidase subunit 4 isoform 1, mitochondrial, Cytochrome c oxidase polypeptide IV, Cytochrome c oxidase subunit IV isoform 1, COX IV-1
Reactivity:
Rat
€649

Description

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Rat Cytochrome c oxidase subunit 4 isoform 1, mitochondrial (Cox4i1) ELISA Kit

The Rat Cytochrome C Oxidase Subunit 4 Isoform 1 (Mitochondrial COX4I1) ELISA Kit is a highly sensitive and specific assay designed for the accurate quantification of COX4I1 levels in rat samples. This kit is ideal for researchers studying mitochondrial function and oxidative phosphorylation, as COX4I1 is a key subunit of the cytochrome c oxidase complex involved in electron transport chain activity.With its reliable and reproducible results, this ELISA kit is suitable for use with rat serum, plasma, and cell culture supernatants.

By measuring COX4I1 levels, researchers can gain insights into mitochondrial dysfunction and potential associations with various diseases such as cancer, cardiovascular disorders, and neurodegenerative conditions. By utilizing this kit, researchers can advance their understanding of mitochondrial biology and potentially uncover new therapeutic targets.

Product Name:Rat Cytochrome c oxidase subunit 4 isoform 1, mitochondrial (Cox4i1) ELISA Kit
SKU:RTEB0549
Size:96T
Target:Rat Cytochrome c oxidase subunit 4 isoform 1, mitochondrial (Cox4i1)
Synonyms:Cytochrome c oxidase polypeptide IV, Cytochrome c oxidase subunit IV isoform 1, COX IV-1, Cox4, Cox4a
Assay Type:Sandwich
Detection Method:ELISA
Reactivity:Rat
Detection Range:0.156-10ng/mL
Sensitivity:0.066ng/mL
Intra CV:6.8%
Inter CV:7.8%
Linearity:
Sample1:21:41:81:16
Serum(N=5)111-120%99-109%94-104%102-102%
EDTA Plasma(N=5)98-107%106-118%108-117%97-107%
Heparin Plasma(N=5)85-95%94-102%100-112%85-94%
Recovery:
Sample TypeAverage(%)Recovery Range(%)
Serum8781-93
Plasma8983-95
Function:This protein is one of the nuclear-coded polypeptide chains of cytochrome c oxidase, the terminal oxidase in mitochondrial electron transport.
Uniprot:P10888
Sample Type:Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids
Specificity:Natural and recombinant rat Cytochrome c oxidase subunit 4 isoform 1, mitochondrial
Research Area:Neurosciences
Subcellular Location:Mitochondrion inner membrane
Storage:Please see kit components below for exact storage details
Note:For research use only
UniProt Protein Function:COX4I1: This protein is one of the nuclear-coded polypeptide chains of cytochrome c oxidase, the terminal oxidase in mitochondrial electron transport. Ubiquitous. Belongs to the cytochrome c oxidase IV family.Protein type: Oxidoreductase; Mitochondrial; EC 1.9.3.1; Membrane protein, integral; Energy Metabolism - oxidative phosphorylationChromosomal Location of Human Ortholog: 16q24.1Cellular Component: membrane; mitochondrion; mitochondrial inner membrane; nucleusMolecular Function: protein binding; cytochrome-c oxidase activityBiological Process: cellular metabolic process; generation of precursor metabolites and energy; transmembrane transport; response to nutrient
UniProt Protein Details:
NCBI Summary:Cytochrome c oxidase (COX) is the terminal enzyme of the mitochondrial respiratory chain. It is a multi-subunit enzyme complex that couples the transfer of electrons from cytochrome c to molecular oxygen and contributes to a proton electrochemical gradient across the inner mitochondrial membrane. The complex consists of 13 mitochondrial- and nuclear-encoded subunits. The mitochondrially-encoded subunits perform the electron transfer and proton pumping activities. The functions of the nuclear-encoded subunits are unknown but they may play a role in the regulation and assembly of the complex. This gene encodes the nuclear-encoded subunit IV isoform 1 of the human mitochondrial respiratory chain enzyme. It is located at the 3' of the NOC4 (neighbor of COX4) gene in a head-to-head orientation, and shares a promoter with it. Pseudogenes related to this gene are located on chromosomes 13 and 14. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Jan 2016]
UniProt Code:P10888
NCBI GenInfo Identifier:4502981
NCBI Gene ID:1327
NCBI Accession:NP_001852.1
UniProt Secondary Accession:P10888,P19783, P10888
UniProt Related Accession:P10888,P13073
Molecular Weight:16kDa
NCBI Full Name:cytochrome c oxidase subunit 4 isoform 1, mitochondrial isoform 1
NCBI Synonym Full Names:cytochrome c oxidase subunit 4I1
NCBI Official Symbol:COX4I1
NCBI Official Synonym Symbols:COX4; COXIV; COX4-1; COXIV-1; COX IV-1
NCBI Protein Information:cytochrome c oxidase subunit 4 isoform 1, mitochondrial
UniProt Protein Name:Cytochrome c oxidase subunit 4 isoform 1, mitochondrial
UniProt Synonym Protein Names:Cytochrome c oxidase polypeptide IV; Cytochrome c oxidase subunit IV isoform 1
Protein Family:
UniProt Gene Name:COX4I1
UniProt Entry Name:COX41_HUMAN
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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