CD45 Monoclonal antibody

CD45 Monoclonal Antibody for WB, IHC, IF-P, ELISA

Host / Isotype

Mouse / IgG2a

Reactivity

human, mouse, rat, pig

Applications

WB, IHC, IF-P, ELISA

Conjugate

Unconjugated

CloneNo.

4E9B2

Cat no : 60287-1-Ig

Synonyms

L CA, GP180, EC:3.1.3.48, CD45R, B220



Tested Applications

Positive WB detected inpig spleen tissue, Raji cells
Positive IHC detected inhuman appendicitis tissue, human liver cancer tissue, human colon tissue, rat thymus tissue, human tonsillitis tissue, mouse spleen tissue, rat colon tissue
Note: suggested antigen retrieval with TE buffer pH 9.0; (*) Alternatively, antigen retrieval may be performed with citrate buffer pH 6.0
Positive IF-P detected inmouse colon tissue, mouse spleen tissue, human tonsillitis tissue

Recommended dilution

ApplicationDilution
Western Blot (WB)WB : 1:1000-1:4000
Immunohistochemistry (IHC)IHC : 1:4000-1:16000
Immunofluorescence (IF)-PIF-P : 1:500-1:2000
It is recommended that this reagent should be titrated in each testing system to obtain optimal results.
Sample-dependent, Check data in validation data gallery.

Product Information

60287-1-Ig targets CD45 in WB, IHC, IF-P, ELISA applications and shows reactivity with human, mouse, rat, pig samples.

Tested Reactivity human, mouse, rat, pig
Cited Reactivityhuman, mouse, rat, pig
Host / Isotype Mouse / IgG2a
Class Monoclonal
Type Antibody
Immunogen CD45 fusion protein Ag13712
Full Name protein tyrosine phosphatase, receptor type, C
Calculated Molecular Weight 1304 aa, 147 kDa
Observed Molecular Weight 220 kDa
GenBank Accession NumberBC014239
Gene Symbol CD45
Gene ID (NCBI) 5788
RRIDAB_2881404
Conjugate Unconjugated
Form Liquid
Purification MethodProtein A purification
Storage Buffer PBS with 0.02% sodium azide and 50% glycerol pH 7.3.
Storage ConditionsStore at -20°C. Stable for one year after shipment. Aliquoting is unnecessary for -20oC storage. 20ul sizes contain 0.1% BSA.

Background Information

Protein tyrosine phosphatase receptor type C (PTPRC) is also known as CD45 antigen, which was originally called leukocyte common antigen (LCA). CD45 is an enzyme required for T-cell activation through the antigen receptor consisting of two intracellular phosphatase domains, a transmembrane domain and an extracellular domain. Upon T-cell activation, CD45 recruits and dephosphorylates SKAP1 via an interaction through the first PTPase domain, which is the only domain to possess intrinsic kinase activity. However, both domains are required for appropriate phosphatase and T-cell antigen receptor activity (PMID: 8076596). 

What is the molecular weight of CD45?

The molecular weight of CD45 is a 180-240 kDa. 

What are the isoforms of CD45?

Six different human isoforms of CD45 have been isolated, containing all three exons (ABC isoform), two of the three exons (AB and BC isoforms), only one exon (A isoform or B isoform), or no exons (O isoform). All of the isoforms have the same eight amino acids at their amino-terminus (PMID: 12412720). 

What is the tissue specificity of CD45?

CD45 is a tyrosine phosphatase expressed on the plasma membrane of all hematopoietic cells, except erythrocytes and platelets (PMID: 7803253). 

What are the post-translational modifications of CD45?

CD45 can be heavily N- and O-glycosylated (PMID: 1702721). 

What is CD45's involvement in disease?

Defects in CD45 are a cause of severe combined immunodeficiency autosomal recessive T-cell-negative/B-cell-positive/NK-cell-positive (T(-)B(+)NK(+) SCID); a severe form of SCID. It is classed by the impairment of both humoral and cell-mediated immunity, leukopenia, and the low or absent levels of antibodies (PMID: 10700239). Also, genetic variants of CD45 have a role in susceptibility to multiple sclerosis (PMID: 12864992).


Protocols

Product Specific Protocols
WB protocol for CD45 antibody 60287-1-IgDownload protocol
IHC protocol for CD45 antibody 60287-1-IgDownload protocol
IF protocol for CD45 antibody 60287-1-IgDownload protocol
Standard Protocols
Click here to view our Standard Protocols

Publications

SpeciesApplicationTitle
mouseIHC,IF

Nat Commun

Interventional hydrogel microsphere vaccine as an immune amplifier for activated antitumour immunity after ablation therapy

Authors - Xiaoyu Liu
IHC

Cell Rep

Roseburia intestinalis sensitizes colorectal cancer to radiotherapy through the butyrate/OR51E1/RALB axis

Authors - Jiali Dong
human,mouseIF

Theranostics

Blockade of phosphotyrosine pathways suggesting SH2 superbinder as a novel therapy for pulmonary fibrosis.

Authors - Meng Wang
mouseIHC

Cell Biol Toxicol

Induction of Sestrin2 by pterostilbene suppresses ethanol-triggered hepatocyte senescence by degrading CCN1 via p62-dependent selective autophagy.

Authors - Yiming Jiang
humanIF

Neural Regen Res

Transplantation of fibrin-thrombin encapsulated human induced neural stem cells promotes functional recovery of spinal cord injury rats through modulation of the microenvironment

Authors - Sumei Liu
mouseIHC

Stem Cell Reports

Compensation of Disabled Organogeneses in Genetically Modified Pig Fetuses by Blastocyst Complementation.

Authors - Hitomi Matsunari

Reviews

The reviews below have been submitted by verified Proteintech customers who received an incentive for providing their feedback.


FH

Kenzo (Verified Customer) (01-09-2023)

A good Hematopoietic cell marker for IF. Little background observed.

  • Applications: Immunofluorescence
  • Primary Antibody Dilution: 1:500
  • Cell Tissue Type: Mouse tonsil