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AB277401

Human Proteasome 20S LMP7 ELISA Kit

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Human Proteasome 20S LMP7 ELISA Kit is a Sandwich ELISA for the measurement of Human Proteasome 20S LMP7 in Human in Cell Culture Media, Biofluids samples.

View Alternative Names

LMP7, PSMB5i, RING10, Y2, PSMB8, Proteasome subunit beta type-8, Low molecular mass protein 7, Macropain subunit C13, Multicatalytic endopeptidase complex subunit C13, Proteasome component C13, Proteasome subunit beta-5i, Really interesting new gene 10 protein

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ELISA - Human Proteasome 20S LMP7 ELISA Kit (AB277401)
  • ELISA

Supplier Data

ELISA - Human Proteasome 20S LMP7 ELISA Kit (AB277401)

Typical standard curve – data provided for demonstration purposes only. A new standard curve must be generated for each assay performed.

Key facts

Detection method

Colorimetric

Sample types

Cell culture supernatant, Serum, EDTA Plasma

Reacts with

Human

Assay type

Sandwich

Results type

Quantitative

Sensitivity

= 2.2 ng/mL

Range

2.048 - 500 ng/mL

Assay Platform

Pre-coated microplate (12 x 8 well strips)

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Complementary Products

Primary Antibodies

AB247896

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Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Proteasome 20S alpha 5/PSMA5 antibody [EPR5833] - BSA and Azide free (AB247896)

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Primary Antibodies

AB22673

Anti-Proteasome 20S alpha + beta antibody

Immunocytochemistry/ Immunofluorescence - Anti-Proteasome 20S alpha + beta antibody (AB22673)

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Primary Antibodies

AB180606

Anti-Proteasome 20S LMP7 antibody [EPR14482(B)]

BOND RX™ Validated|RabMAb|Recombinant|KO Validated

Flow Cytometry (Intracellular) - Anti-Proteasome 20S LMP7 antibody [EPR14482(B)] (AB180606)

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Secondary Antibodies

AB150077

Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488)

Immunocytochemistry/ Immunofluorescence - Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (AB150077)

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Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Reactivity", "Dilution Info", "Notes"] }, "values": { "sELISA": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }
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Product details

Human Proteasome 20S LMP7 ELISA Kit (ab277401) is an in-vitro enzyme-linked immunosorbent assay for the quantitative measurement of Human Proteasome 20S LMP7 in serum, plasma a (collect plasma using EDTA as an anticoagulant. Heparin and Citrate are not recommended as anticoagulants for use in this assay) and cell culture supernatants.

This assay employs an antibody specific for Human Proteasome 20S LMP7 coated on a 96-well plate. Standards and samples are pipetted into the wells and Human Proteasome 20S LMP7 present in a sample is bound to the wells by the immobilized antibody. The wells are washed, and biotinylated anti-Human Proteasome 20S LMP7 antibody is added. After washing away unbound biotinylated antibody, HRP-conjugated streptavidin is pipetted to the wells. The wells are again washed, a TMB substrate solution is added to the wells and color develops in proportion to the amount of Human Proteasome 20S LMP7 bound. The Stop Solution changes the color from blue to yellow, and the intensity of the color is measured at 450 nm.

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Precision

[ { "reproducibilityType": "Inter", "sample": "General", "replicates": 0, "mean": null, "standardDeviation": null, "coefficientOfVariability": "< 12" }, { "reproducibilityType": "Intra", "sample": "General", "replicates": 0, "mean": null, "standardDeviation": null, "coefficientOfVariability": "< 10" } ]
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Recovery

[ { "sample": "Cell culture supernatant", "range": "82 - 97 %", "average": "= 90.96" }, { "sample": "Serum", "range": "73 - 83 %", "average": "= 77.71" }, { "sample": "Plasma", "range": "74 - 80 %", "average": "= 77.28" } ]
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What's included?

{ "values": { "1x96Tests": { "sellingSize": "1 x 96 Tests", "publicAssetCode":"ab277401-1x96Tests", "assetComponentDetails": [ { "size":"1 x 25 mL", "name":"20X Wash Buffer", "number":"AB277401-CMP01", "productcode":"" }, { "size":"1 x 8 mL", "name":"Stop Solution", "number":"AB277401-CMP07", "productcode":"" }, { "size":"1 x 1 Unit", "name":"Anti-Human Proteasome 20S LMP7 coated Microplate", "number":"AB277401-CMP04", "productcode":"" }, { "size":"1 x 200 µL", "name":"200X HRP-Streptavidin Concentrate", "number":"AB277401-CMP02", "productcode":"" }, { "size":"1 x 12 mL", "name":"TMB One-Step Substrate Reagent", "number":"AB277401-CMP08", "productcode":"" }, { "size":"1 x 15 mL", "name":"5X Assay Diluent B", "number":"AB277401-CMP05", "productcode":"" }, { "size":"1 x 30 mL", "name":"Assay Diluent C", "number":"AB277401-CMP06", "productcode":"" }, { "size":"2 x 1 Vial", "name":"Biotinylated Anti-Human Proteasome 20S LMP7 Antibody", "number":"AB277401-CMP09", "productcode":"" }, { "size":"2 x 1 Vial", "name":"Human Proteasome 20S LMP7 standard protein (Lyophilized)", "number":"AB277401-CMP03", "productcode":"" } ] } } }
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Properties and storage information

Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
-20°C
Appropriate long-term storage conditions
-20°C
Storage information
-20°C
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Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

Proteasome 20S LMP7 also known as β5i or PSMB8 is a subunit of the immunoproteasome. It weighs about 23 kDa and it is expressed predominantly in immune cells such as lymphocytes and macrophages. LMP7 is part of the proteasome 20S a cylindrical core particle involved in the degradation of ubiquitinated proteins. This process helps maintain protein homeostasis by breaking down misfolded and damaged proteins.
Biological function summary

The immunoproteasome in which LMP7 is an essential component plays an important role in the adaptive immune system. It influences the generation of antigenic peptides that are presented on MHC class I molecules. LMP7's expression is increased during immune responses particularly following gamma interferon (IFN-γ) stimulation contributing to the immune-mediated proteasome conformation. The immunoproteasome enables more efficient peptide processing enhancing antigen presentation to cytotoxic T lymphocytes.

Pathways

LMP7 is involved in the MHC class I antigen presentation pathway. This pathway allows the immune system to detect and respond to intracellular pathogens such as viruses. Additionally LMP7 interacts with TAP (Transporter associated with Antigen Processing) and other proteasome subunits to ensure effective peptide processing for loading onto MHC class I molecules. Through this involvement it closely links to immune signaling and cellular stress responses.

Research shows that LMP7 connects to autoimmune diseases and inflammatory disorders such as lupus and rheumatoid arthritis. Dysregulation of LMP7 expression or activity can lead to improper immune responses contributing to disease pathogenesis. Furthermore LMP7 impacts the degradation of specific proteins relevant to these conditions. For example it works alongside other proteasome subunits like LMP2 and MECL-1 in modulating the inflammatory response which can exacerbate autoimmune disease symptoms.
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Product protocols

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Target data

The proteasome is a multicatalytic proteinase complex which is characterized by its ability to cleave peptides with Arg, Phe, Tyr, Leu, and Glu adjacent to the leaving group at neutral or slightly basic pH. The proteasome has an ATP-dependent proteolytic activity. This subunit is involved in antigen processing to generate class I binding peptides. Replacement of PSMB5 by PSMB8 increases the capacity of the immunoproteasome to cleave model peptides after hydrophobic and basic residues. Involved in the generation of spliced peptides resulting from the ligation of two separate proteasomal cleavage products that are not contiguous in the parental protein (PubMed : 27049119). Acts as a major component of interferon gamma-induced sensitivity. Plays a key role in apoptosis via the degradation of the apoptotic inhibitor MCL1. May be involved in the inflammatory response pathway. In cancer cells, substitution of isoform 1 (E2) by isoform 2 (E1) results in immunoproteasome deficiency. Required for the differentiation of preadipocytes into adipocytes.
See full target information PSMB8
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websiteProtocolBooklet
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Product promise

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