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Anti-Proteasome 20S LMP7 antibody (ab3329)

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Overview

Product name

Anti-Proteasome 20S LMP7 antibody
See all Proteasome 20S LMP7 products (8) ...

Description

Rabbit polyclonal to Proteasome 20S LMP7

Specificity

Detects proteasome 20S LMP7.

Tested applications

WB, IHC-P, ICC/IF, IHC-Frmore details

Cross reactivity

Reacts with

Mouse, Rat, Sheep, Human

Immunogen

Synthetic Peptide: CV(259)ESTDVSDLLHQYREA(274). Immunizing peptide corresponds to amino acid residues 259-274 from human proteasome 20S LMP7 protein. This sequence is completely conserved between human, mouse, rat and sheep.

C-VESTDVSDLLHQYREA

Properties

Form

Liquid

Storage instructions

Store at +4°C short term (1-2 weeks). Aliquot and store at -20°C or -80°C. Avoid repeated freeze / thaw cycles.

Storage buffer

Preservative: 0.05% Sodium Azide
Constituents: PBS, 1mg/ml BSA

Concentration

Concentration information loading...

Purity

Immunogen affinity purified

Clonality

Polyclonal

Isotype

IgG

  • - Proteasome 20S LMP7 antibody (ab3329)- Proteasome 20S LMP7 antibody (ab3329) image (enlarge)

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)-Proteasome 20S LMP7 antibody(ab3329)Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)-Proteasome 20S LMP7 antibody(ab3329) image (enlarge)

  • Immunocytochemistry/ Immunofluorescence-Proteasome 20S LMP7 antibody(ab3329)Immunocytochemistry/ Immunofluorescence-Proteasome 20S LMP7 antibody(ab3329) image (enlarge)

Applications

Show applications key

Our Abpromise guarantee covers the use of ab3329 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Target

Function

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. 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.

Involvement in disease

Defects in PSMB8 are the cause of JMP syndrome (JMPS) [MIM:613732]; also called joint contractures muscular atrophy microcytic anemia and panniculitis-induced lipodystrophy. JBTS1 is an autoinflammatory disorder characterized by childhood onset of joint stiffness and severe contractures of the hands and feet, erythematous skin lesions with subsequent development of severe lipodystrophy, and laboratory evidence of immune dysregulation. Accompanying features include muscle weakness and atrophy, hepatosplenomegaly, and microcytic anemia.

Sequence similarities

Belongs to the peptidase T1B family.

Developmental stage

Highly expressed in immature dendritic cells (at protein level).

Post-translational
modifications

Autocleaved. The resulting N-terminal Thr residue of the mature subunit is responsible for the nucleophile proteolytic activity.

Cellular localization

Cytoplasm. Nucleus.

Target information above from: UniProt accessionP28062 The UniProt Consortium
The Universal Protein Resource (UniProt) in 2010
Nucleic Acids Res. 38:D142-D148 (2010).

Information by UniProt

Alternative names

  • D6S216 antibody
  • D6S216E antibody
  • Large multifunctional peptidase 7 antibody
  • Large multifunctional protease 7 antibody
  • LMP 7 antibody
  • LMP7 antibody
  • Low molecular mass protein 7 antibody
  • Low molecular weight protein 7 antibody
  • Macropain subunit C13 antibody
  • MGC1491 antibody
  • Multicatalytic endopeptidase complex subunit C13 antibody
  • OTTHUMP00000062981 antibody
  • Protease component C13 antibody
  • Proteasome (prosome macropain) subunit beta type 8 antibody
  • Proteasome (prosome, macropain) subunit, beta type, 8 (large multifunctional peptidase 7) antibody
  • Proteasome beta 8 subunit antibody
  • Proteasome catalytic subunit 3i antibody
  • Proteasome component C13 antibody
  • Proteasome related gene 7 antibody
  • Proteasome subunit beta 5i antibody
  • Proteasome subunit beta type 8 antibody
  • Proteasome subunit beta type antibody
  • Proteasome subunit beta type-8 antibody
  • Proteasome subunit beta-5i antibody
  • Proteasome subunit Y2 antibody
  • PSB8_HUMAN antibody
  • PSMB 8 antibody
  • PSMB5i antibody
  • PSMB8 antibody
  • Really interesting new gene 10 protein antibody
  • RING 10 antibody
  • RING10 antibody
  • Y2 antibody
see all

Anti-Proteasome 20S LMP7 antibody images:

  - Proteasome 20S LMP7 antibody (ab3329)

- Proteasome 20S LMP7 antibody (ab3329)

Western blot of proteasome 20S LMP7 from HeLa cell extract using ab3329.

  Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)-Proteasome 20S LMP7 antibody(ab3329)

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)-Proteasome 20S LMP7 antibody(ab3329)

Ab3329 staining Human normal skin. Staining is localized to cytoplasmic and nuclear compartments.
Left panel: with primary antibody at 1 ug/ml. Right panel: isotype control.
Sections were stained using an automated system DAKO Autostainer Plus , at room temperature. Sections were rehydrated and antigen retrieved with the Dako 3-in-1 AR buffer citrate pH 6.0 in a DAKO PT Link. Slides were peroxidase blocked in 3% H2O2 in methanol for 10 minutes. They were then blocked with Dako Protein block for 10 minutes (containing casein 0.25% in PBS), then incubated with primary antibody for 20 minutes, and detected with Dako Envision Flex amplification kit for 30 minutes. Colorimetric detection was completed with diaminobenzidine for 5 minutes. Slides were counterstained with Haematoxylin and coverslipped under DePeX. Please note that for manual staining we recommend to optimize the primary antibody concentration and incubation time (overnight incubation), and amplification may be required.

  Immunocytochemistry/ Immunofluorescence-Proteasome 20S LMP7 antibody(ab3329)

Immunocytochemistry/ Immunofluorescence-Proteasome 20S LMP7 antibody(ab3329)

ICC/IF image of ab3329 stained MCF7 cells. The cells were 4% formaldehyde fixed (10 min) and then incubated in 1%BSA / 10% normal goat serum / 0.3M glycine in 0.1% PBS-Tween for 1h to permeabilise the cells and block non-specific protein-protein interactions. The cells were then incubated with the antibody (ab3329, 5µg/ml) overnight at +4°C. The secondary antibody (green) was Alexa Fluor® 488 goat anti-rabbit IgG (H+L) used at a 1/1000 dilution for 1h. Alexa Fluor® 594 WGA was used to label plasma membranes (red) at a 1/200 dilution for 1h. DAPI was used to stain the cell nuclei (blue) at a concentration of 1.43µM.

References for Anti-Proteasome 20S LMP7 antibody (ab3329)

This product has been referenced in:

  • Sarrabayrouse G  et al. Melanoma cells treated with GGTI and IFN-gamma allow murine vaccination and enhance cytotoxic response against human melanoma cells. PLoS One 5:e9043 (2010). WB; Human.Read more (PubMed: 20140259) »
  • Hensley SE  et al. Unexpected role for the immunoproteasome subunit LMP2 in antiviral humoral and innate immune responses. J Immunol 184:4115-22 (2010). WB; Mouse.Read more (PubMed: 20228196) »

See all 7 publications for this product

Publishing research using ab3329? Please let us know so that we can cite the reference in this datasheet

Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"