Immunohistochemical staining of CD4  of human FFPE tissue followed by incubation with HRP labeled secondary and development with DAB substrate.

CD4 [EP204] Antibody (cGMP).

$ 145.00$ 865.00
Please Select Product Options Below To View The Catalog Number.

SKU: QIVD242
Species: Human
Tested Applications: IHC [IVD]
Available Conjugates:
Isotype: Rabbit IgG

Product NumberDescriptionPrice
QIVD242-0.1ml Size: 0.1 ml, Format: Concentrate $ 145.00
QIVD242-0.5ml Size: 0.5 ml, Format: Concentrate $ 545.00
QIVD242-1ml Size: 1 ml, Format: Concentrate $ 865.00
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Datasheets and Documentation
Product Datasheet
Certificate of Analysis and Tags (Coming Soon)
Lot Number:

Expiration Date:

Concentration (Write Lyophilized if Lyophilized):

Reconsitution Instructions (Leave Blank if Liquid):

Manufacture Date:

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Bioactivity (test results eg. IU/ml):


SKU: QIVD242-0.1ml
CD4 General Information
Alternate Names
Molecular Weight
51.1 kDa
Chromosomal Location
p13.31 [chr: 12] [chr_start: 6786858] [chr_end: 6820799] [strand: 1]
Curated Database and Bioinformatic Data
Gene SymbolCD4
Entrez Gene ID920
RefSeq Protein Accession(s)NP_000607
RefSeq mRNA Accession(s)NM_001195017; XM_017020228; NM_001195015; NR_036545; NM_001195016; NM_000616; NM_001195014
RefSeq Genomic Accession(s)NG_027688; NC_000012;
UniProt ID(s)P01730
PharmGKB ID(s)PA26220
KEGG Gene ID(s)hsa:920
General Description of CD4 .
CD4 is glycoprotein found on the surface of immune cells such as T helper cells, monocytes, macrophages, and dendritic cells. It is a co-receptor that assists the T-cell receptor (TCR) with antigen-presenting cell and also interacts directly with MHC class II molecules of the surface of antigen presenting cells. Most mature T-cell lymphomas are CD4 positive with the exception of aggressive NK-cell leukemia and extranodal NL/T-cell lymphoma. CD4 plays an important role in the classification of lymphocytes in inflammatory legions and malignant lymphomas.

Antibody (Suitable for clinical applications)

Sample Type: FFPE Patient Samples.
Tested Applications: IHC. Approved for In Vitro Diagnostic Procedures on FFPE tissues. For tissue collection recommendations, please see datasheet sent with product.
Application Notes
Specification Recommendation
Recommended Dilution (Conc) 1:50-1:100
Pretreatment EDTA Buffer pH 8.0
Incubation Parameters 30 min at Room Temperature

Prior to use, inspect vial for the presence of any precipitate or other unusual physical properties. These can indicate that the antibody has degraded and is no longer suitable for patient samples. Please run positive and negative controls simultaneously with all patient samples to account and control for errors in laboratory procedure. Use of methods or materials not recommended by enQuire Bio including change to dilution range and detection system should be routinely validated by the user.

Clonality: Monoclonal
Anti-CD4 Antibody Clone: EP204
Host and Isotype: Rabbit IgG
Recommended Positive Control Sample: Tonsil
Cellular Localization of Antibody EP204 Staining: Cell membrane
Buffer and Stabilizer: PBS with 1% BSA and 0.05% NaN3
Antibody Concentration: Lot specific. Plese contact tech support for data.
Immunogen: Synthetic peptide corresponding to residues of human CD4 protein.
Storage Conditions: This antibody should be stored refrigerated (2-8°C). This product should not be used past the expiration date printed on the vial.

CD4 Information for Pathologists

Limitations and Warranty

This antibody is manufactured in accordance with clinical good manufacturing practices in an ISO13485:2016 certified production facility. It is intended for multiple uses including in vitro diagnostic use and research use only applications. Please see vial label for expiration date. We strive to always deliver antibodies with a shelf life of at least two years.

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CD4 [EP204] Antibody (cGMP).