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RayBiotechModel CTLA4 - Epitope Mapping Peptide Array

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The Cytotoxic T-Lymphocyte Associated Protein 4 (CTLA4) Epitope Mapping Peptide Array is a semi-quantitative array displaying 177 synthesized peptides representing the full-length CTLA4. It is suitable for antibody epitope mapping and detection of IgG, IgA, IgM, IgE, etc. in serum, plasma, and many other liquid sample types.

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Assay Format

Species Detected:
  • Human
Compatible Sample Types:
  • Ascites
  • DNA Aptamers
  • Hybridoma cell culture medium
  • Other fluids
  • Plasma
  • Purified antibodies
  • Purified protein
  • Serum
  • Method of Detection: Fluorescence Laser Scanner
  • Quantitative/Semi-Quantitative: Semi-Quantitative
  • Solid Support: Glass Slide
  • Antibody Type:Human IgG, mouse IgG, other isotypes (IgA, IgM, IgE, etc.) derived from most animals, upon request.
Product Specifications
Size: 1, 2, or 4 Slide Kit
Protein Information
Accession Number:
  • P16410
Gene Symbols:
  • CTLA4
Protein Name & Synonyms: CTLA-4 / CD152

Target Species: Human
Synthesized Protein Sequence: 188 amino acids (Lys36-Asn223, without N-terminal signal peptide)
Peptide Information
  • Number of Peptides: 177
  • Peptide Length:12-mer
  • Peptide Offset: 1-mer
  • Peptide Purity: HPLC grade, >95% purity
  • Array Printing Replicate: Triplicate
  • Identify high antigenicity epitopes for antibody production & vaccine development
  • Locate (auto)antigen epitopes of (auto)antibodies
  • Define the best antibody clone against the protein-of-interest
  • Perform epitope mutant analysis
  • Map B cell epitopes

  • Small serum sample volume required (2 µl)
  • High density (simultaneously analyze hundreds of overlapping peptides)
  • High sensitivity
  • Large dynamic range
  • Suitable for high-throughput assays
  • High efficiency and accuracy
  • Affordable, quick and simple to use



  • RayBio® human CLTA-4 protein peptide array
  • Blocking Buffer
  • Wash Buffer I
  • Wash Buffer II
  • Biotin-conjugated secondary antibody
  • Cy3 equivalent dye conjugated streptavidin
  • Array accessories (including slide incubation chamber assembly, gasket, adhesive plastic strips, etc.)

  • Distilled water
  • Small plastic boxes or containers
  • Orbital shaker or oscillating rocker
  • Pipettors, pipette tips and other common lab consumables
  • Aluminum foil
  • Laser fluorescence scanner

View Compatible Laser Scanners

Don`t have a compatible scanner? RayBiotech now offers FREE scanning service for all RayBio glass slide antibody arrays! Learn More

Upon receipt, all kit components should be stored at -20 °C to -80 °C until ready to use. Stored properly, the kit will retain complete activity for up to 6 months.

  • This product is furnished for LABORATORY RESEARCH USE ONLY.
  • Not for diagnostic or therapeutic use.