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CD74 Antibody

Purified Mouse Monoclonal Antibody (Mab)

     
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  • 4 - CD74 Antibody AM2257a
    Flow cytometric analysis of Raji cells using CD74(green, Cat#AM2257a) compared to an isotype control of mouse IgG2b(blue). AM2257a was diluted at 1:25 dilution. An Alexa Fluor® 488 goat anti-mouse lgG at 1:400 dilution was used as the secondary antibody.
  • 1 - CD74 Antibody AM2257a
    Western blot analysis of lysates from Daudi, Raji cell line (from left to right), using CD74 Antibody(Cat. # AM2257a). AM2257a was diluted at 1:1000 at each lane. A goat anti-mouse IgG H&L(HRP) at 1:5000 dilution was used as the secondary antibody. Lysates at 35μg per lane.
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Product Information
Application
  • Applications Legend:
  • E=ELISA
  • WB=Western Blotting
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin)
  • IP=Immunoprecipitation
  • IF=Immunofluorescence
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • FC=Flow Cytometry
  • DB=Dot Blot
WB, FC, E
Primary Accession P04233
Reactivity Human
Host Mouse
Clonality Monoclonal
Isotype IgG2b,κ
Clone Names 1267CT820.116.140.154
Calculated MW 33516 Da
Additional Information
Gene ID 972
Other Names HLA class II histocompatibility antigen gamma chain, HLA-DR antigens-associated invariant chain, Ia antigen-associated invariant chain, Ii, p33, CD74, CD74, DHLAG
Target/Specificity This antibody is generated from a mouse immunized with a KLH conjugated synthetic peptide between 1-232 amino acids from human.
Dilution WB~~1:1000
FC~~1:25
E~~Use at an assay dependent concentration.
Format Purified monoclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein G column, followed by dialysis against PBS.
StorageMaintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
PrecautionsCD74 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
Name CD74 (HGNC:1697)
Synonyms DHLAG
Function Plays a critical role in MHC class II antigen processing by stabilizing peptide-free class II alpha/beta heterodimers in a complex soon after their synthesis and directing transport of the complex from the endoplasmic reticulum to the endosomal/lysosomal system where the antigen processing and binding of antigenic peptides to MHC class II takes place. Serves as cell surface receptor for the cytokine MIF. [Isoform p41]: Stabilizes the conformation of mature CTSL by binding to its active site and serving as a chaperone to help maintain a pool of mature enzyme in endocytic compartments and extracellular space of antigen-presenting cells (APCs). Has antiviral activity by stymieing the endosomal entry of Ebola virus and coronaviruses, including SARS-CoV-2 (PubMed:32855215). Disrupts cathepsin-mediated Ebola virus glycoprotein processing, which prevents viral fusion and entry. This antiviral activity is specific to p41 isoform (PubMed:32855215).
Cellular Location Cell membrane; Single-pass type II membrane protein. Endoplasmic reticulum membrane. Golgi apparatus, trans-Golgi network. Endosome. Lysosome. Secreted. Note=Transits through a number of intracellular compartments in the endocytic pathway. It can either undergo proteolysis or reach the cell membrane
Tissue Location Detected in urine (at protein level). [Isoform p33]: In B cells, represents 70% of total CD74 expression.
Research Areas

For Research Use Only. Not For Use In Diagnostic Procedures.

BACKGROUND

Plays a critical role in MHC class II antigen processing by stabilizing peptide-free class II alpha/beta heterodimers in a complex soon after their synthesis and directing transport of the complex from the endoplasmic reticulum to the endosomal/lysosomal system where the antigen processing and binding of antigenic peptides to MHC class II takes place. Serves as cell surface receptor for the cytokine MIF.

REFERENCES

Claesson L.,et al.Proc. Natl. Acad. Sci. U.S.A. 80:7395-7399(1983).
Strubin M.,et al.EMBO J. 3:869-872(1984).
Kudo J.,et al.Nucleic Acids Res. 13:8827-8841(1985).
O'Sullivan D.M.,et al.Proc. Natl. Acad. Sci. U.S.A. 83:4484-4488(1986).
Kalnine N.,et al.Submitted (OCT-2004) to the EMBL/GenBank/DDBJ databases.

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