CiteAb - Data Accelerating Science Data Accelerating Science
Menu
  • Reagent Search
    • Antibodies
      Recombinant, monoclonal & polyclonal antibodies and primary & secondary antibodies.
    • Biochemicals
      Carbohydrates, peptides, bioactive small molecules, buffers, dyes and lipids.
    • Cell Lines & Models
      Cell lines, tissues, bacteria & viruses, and animal models.
    • Kits & Assays
      ELISAs, multiplex immunoassay kits, detection/staining kits and conjugation/labelling kits.
    • Instruments
      Microscopes, flow cytometers, spectrometers, and other laboratory instruments.
    • Nucleotides
      Plasmids, primers, RNA, siRNA, shRNA, gRNA, viral vectors and particles.
    • Proteins
      Enzymes, growth factors, binding proteins (e.g. streptavidin) and protein mixtures (e.g. bovine serum).
  • Image Search
  • Custom Suppliers
    • Antibody Suppliers
      Polyclonal, monoclonal, recombinant or alternative affinity reagent production.
    • Cell line Suppliers
      Knockout cell lines, knockin cell lines, gene activation & repression and reporter cell lines.
    • Histology Suppliers
      Immunohistochemistry (IHC), in situ hybridisation (ISH), tissue microarray staining (TMA), and more.
    • Peptides Suppliers
      Standard and modified sequences, fluorescent, isotope and radioactive labelled peptides, and more.
    • Sequencing Suppliers
      Whole Genome Sequencing, Antibody Sequencing, Targeted Sequencing, and more.
  • Supplier Partnerships
  • Data Services
    • Reagent Suppliers
      Powerful life science market data, accurate product citations & published images and listing on our popular reagent search engine.
    • Pharma, Biotech & Academic Research Institutions
      Accelerate preclinical research by licensing our comprehensive life science reagent database for totally flexible and private use.
    • Investment, Research & Advisory Companies
      Power unique and quantitative analysis into life science reagent and equipment manufacturer performance to help you make more informed investment decisions.
    • Scientific Publishers
      Partner with CiteAb to maximise exposure, researcher benefit and revenue from your publications.
  • Sign in or Register
Sign in or Register

Reagent type

  • Antibodies (16,996)
  • Biochemicals (50)
  • Experimental Models (6,511)
  • Kits (527)
  • Nucleotides (98)
  • Proteins (1,461)

Refine your results

Clear all
Nature
  • Recombinant (1,150)
  • Synthetic (3)
Classification
  • Cytokine (14)
Protein
  • CD28 (Human) (299)
  • CD80 (Human) (169)
  • CD86 (Human) (164)
  • CD28 (Mouse) (149)
  • CD80 (Mouse) (99)
  • A0A2K5TTJ8 (Crab Eating Macaque) (1)
  • A0A9K3Y6P6 (Rat) (1)
  • CD276 (Human) (4)
  • CD28 (Cat) (3)
  • CD28 (Cattle) (1)
  • CD28 (Chicken) (8)
  • CD28 (Rabbit) (2)
  • CD28 (Rat) (29)
  • CD63 (Human) (2)
  • CD80 (Rabbit) (4)
  • CD86 (Mouse) (77)
  • CD86 (Rabbit) (4)
  • CLD6 (Human) (1)
  • CTLA4 (Human) (20)
  • CTLA4 (Mouse) (4)
  • F7HRG1 (Rhesus Macaque) (6)
  • FCG3B (Human) (2)
  • G3V671 (Rat) (3)
  • G7MKE2 (Rhesus Macaque) (5)
  • G7NXN7 (Crab Eating Macaque) (7)
  • G7NXR4 (Crab Eating Macaque) (9)
  • H9ZFI8 (Rhesus Macaque) (1)
  • HSF1 (Human) (1)
  • ICOS (Human) (4)
  • ICOS (Mouse) (83)
  • IFNG (Domestic Ferret) (1)
  • IGHG1 (Human) (1)
  • IL10 (Human) (2)
  • IL10 (Pig) (1)
  • IL7 (Human) (2)
  • IL8 (Human) (8)
  • O35187 (Rat) (2)
  • O35531 (Rat) (8)
  • O77684 (Pig Tailed Macaque) (1)
  • PRG2 (Human) (1)
  • Q0PDN3 (Crab Eating Macaque) (6)
  • Q0PDN4 (Rhesus Macaque) (2)
  • Q549Q9 (Mouse) (3)
  • Q62680 (Rat) (1)
  • Q6GR94 (Human) (1)
  • Q6GTR6 (Mouse) (1)
  • Q8CDB3 (Mouse) (1)
  • Q9BDM4 (Rhesus Macaque) (8)
  • Q9GKP3 (Dog) (6)
  • SYUA (Human) (1)
  • TMIG2 (Human) (75)
  • No matches
Species
  • Homo sapiens (Human) (757)
  • Mus musculus (Mouse) (417)
  • Rattus norvegicus (Rat) (44)
  • Macaca fascicularis (Crab-eating macaque) (23)
  • Macaca mulatta (Rhesus macaque) (22)
  • Bos taurus (cattle) (1)
  • Canis lupus familiaris (Dog) (6)
  • Felis catus (Cat) (3)
  • Gallus gallus (Chicken) (8)
  • Macaca nemestrina (pig-tailed macaque) (1)
  • Mustela putorius furo (domestic ferret) (1)
  • Oryctolagus cuniculus (Rabbit) (10)
  • Sus scrofa (Pig) (1)
  • No matches
Expression System
  • HEK293 (95)
  • CRL-6440 (84)
  • NS0 (10)
  • CHO (4)
  • HEK293T (2)
Expressing Species
  • Homo sapiens (Human) (145)
  • Mus musculus (Mouse) (96)
  • Escherichia coli (15)
  • Cricetulus griseus (Chinese hamster) (4)
Modification
  • Unmodified (107)
Application
  • WB (165)
  • ELISA (160)
  • SDS-PAGE (146)
  • FC/FACS (80)
  • Functional (57)
  • Affin Chroma (2)
  • Binding (4)
  • Biolayer Interferometry (28)
  • Block (21)
  • Cell Culture (9)
  • Control (15)
  • CyTOF (3)
  • ELISA Comp (1)
  • FLISA (2)
  • ICC (12)
  • ICC-IF (3)
  • IF (12)
  • IHC (26)
  • IHC-P (7)
  • In Vivo (2)
  • IP (24)
  • Liquid Chroma (9)
  • Mass Spec (1)
  • Neutralization (1)
  • SPR (26)
  • No matches
Conjugate
  • Unconjugated (200)
  • Biotin (81)
  • FITC (64)
  • Phycoerythrin (PE) (11)
  • Alexa Fluor 647 (7)
  • Alexa Fluor 488 (3)
  • Allophycocyanin (APC) (6)
  • GST (3)
  • PE-Cy5 (3)
  • PE-Cy7 (1)
  • Peridinin-Chlorophyll-Protein (PerCP) (3)
  • No matches
Tag
  • His Tag (202)
  • Fc Tag (104)
  • Avi/His Tag (29)
  • AVI Tag (10)
  • Fc/His Tag (5)
  • Fc/AVI (3)
  • GST Tag (4)
  • hFc Tag (1)
  • mFc Tag (2)
  • Streptavidin (1)
  • No matches
Purified
  • Yes (631)
  • No (580)
Bioactive
  • No (839)
  • Yes (328)
Formulation
  • Carrier-free (146)
  • Low Endotoxin (8)
  • non-Carrier-free (6)
GMP Compliance
  • No (186)
  • Yes (8)
Animal Free
  • No (107)
  • Yes (80)
Supplier
  • Biorbyt (178)
  • Creative BioMart (112)
  • LSBio (93)
  • Arigo Biolaboratories (84)
  • R&D Systems (66)
  • Abbexa (13)
  • Abcam (38)
  • ABclonal (24)
  • Abeomics (3)
  • abinScience (2)
  • AbMole (1)
  • Abnova (9)
  • Absea (1)
  • Absin Bioscience Inc. (1)
  • ACROBiosystems (35)
  • AdipoGen (7)
  • Aladdin Scientific Corporation (6)
  • American Research Products (39)
  • AMS Bio (2)
  • Ancell (3)
  • AntibodySystem (10)
  • Assay Genie (21)
  • Assaypro (1)
  • Aviva Systems Biology (2)
  • Beta Lifescience (7)
  • Bioassay Technology Laboratory (3)
  • BioLegend (30)
  • Biomatik (4)
  • Bioss (15)
  • Biosynth (6)
  • BioVenic (4)
  • BioVision (3)
  • Boster Biological Technology (5)
  • BPS Bioscience (5)
  • Cayman Chemical (2)
  • Cell Sciences (1)
  • Chimerigen (3)
  • Cloud-Clone Corp. (20)
  • Cohesion Biosciences (14)
  • Creative Biogene (1)
  • Creative Biolabs (58)
  • Creative Diagnostics (3)
  • Cusabio (5)
  • Dima Biotech (8)
  • Elabscience (33)
  • ELK Biotechnology (2)
  • EnoGene (20)
  • Enzo Life Sciences (1)
  • G-Biosciences (9)
  • GeneTex (16)
  • GenScript (3)
  • Innovative Research (14)
  • Invitrogen Antibodies (3)
  • KACTUS (21)
  • Kerafast (1)
  • Leading Biology (3)
  • Leinco (3)
  • MedChemExpress (63)
  • MilliporeSigma (1)
  • NKMAXBio (5)
  • Nordic BioSite (16)
  • Novoprotein (13)
  • Novus Biologicals (a Bio-Techne brand) (35)
  • OriGene (39)
  • PeproTech (2)
  • ProSci (40)
  • Proteintech (2)
  • ProteoGenix (3)
  • RayBiotech (2)
  • Revvity (1)
  • Sanyou Bio (6)
  • Signalway Antibody (10)
  • Sino Biological (53)
  • St John's Laboratory (26)
  • Starter Bio (2)
  • STEMCELL Technologies (2)
  • Taiclone (5)
  • TargetMol (49)
  • US Biological (1)
  • Wuhan Fine Biotech (8)
  • No matches

1,461 results for Cd28 proteins

Recombinant Mouse CTLA-4 Fc Chimera Protein, CF
434-CT is a protein from R&D Systems
15 Citations
Expression System:
Mus musculus (NS0)
Species:
Mus musculus (Mouse)
UniProt ID:
Q6GTR6
Recombinant Mouse B7-1/CD80 Fc Chimera His-tag Protein, CF
740-B1 is a protein from R&D Systems
13 Citations
Expression System:
Mus musculus (NS0)
Species:
Mus musculus (Mouse)
UniProt ID:
Q00609
Recombinant Human B7-1/CD80 Fc Chimera His-tag Protein, CF
140-B1 is a protein from R&D Systems
12 Citations
Expression System:
Mus musculus (NS0)
Species:
Homo sapiens (Human)
UniProt ID:
P33681
Recombinant Human CTLA-4 Fc Chimera His-tag Protein
325-CT is a protein from R&D Systems
11 Citations
Expression System:
Unknown
Species:
Homo sapiens (Human)
UniProt ID:
Q6GR94
Recombinant Human/Cynomolgus/Rhesus Macaque CD28 Fc, CF
342-CD is a protein from R&D Systems
10 Citations
Expression System:
Mus musculus (NS0)
Species:
Homo sapiens (Human)
UniProt ID:
P10747
Human CD80 / B7-1 Protein (His Tag)
10698-H08H is a protein from Sino Biological
9 Citations
Expression System:
Homo sapiens (HEK293)
Species:
Homo sapiens (Human)
UniProt ID:
P56747
Recombinant Human B7-2/CD86 Fc Chimera Protein, CF
141-B2 is a protein from R&D Systems
8 Citations
Expression System:
Mus musculus (NS0)
Species:
Homo sapiens (Human)
UniProt ID:
P42081
Fig.1.D from the publication: Impact of CTLA-4 checkpoint antibodies on ligand binding and Transendocytosis.

7 published images

Recombinant Mouse CD28 Fc Chimera Protein
483-CD is a protein from R&D Systems
8 Citations
Expression System:
Mus musculus (NS0)
Species:
Mus musculus (Mouse)
UniProt ID:
P31041
Mouse CD80 / B7-1 / CD28LG Protein (His Tag)
50446-M08H is a protein from Sino Biological
6 Citations
Expression System:
Homo sapiens (HEK293)
Species:
Mus musculus (Mouse)
UniProt ID:
Q00609
Recombinant Human CTLA-4 Fc Chimera (CHO-expressed), CF
7268-CT is a protein from R&D Systems
6 Citations
Expression System:
Cricetulus griseus (CHO)
Species:
Homo sapiens (Human)
UniProt ID:
P16410
Recombinant Mouse B7.1 (CD80)-Fc Chimera (carrier-free)
555404 is a protein from BioLegend
6 Citations
Expression System:
Unknown
Species:
Mus musculus (Mouse)
UniProt ID:
Q00609
Mouse CD86 / B7-2 Protein (His Tag)
50068-M08H is a protein from Sino Biological
5 Citations
Expression System:
Homo sapiens (HEK293)
Species:
Sus scrofa (Pig)
UniProt ID:
Q29055
Human CD86 / B7-2 Protein (His Tag)
10699-H08H is a protein from Sino Biological
5 Citations
Expression System:
Homo sapiens (HEK293)
Species:
Homo sapiens (Human)
UniProt ID:
P42081
Human CD80 / B7-1 Protein (ECD, Fc Tag)
10698-H02H is a protein from Sino Biological
5 Citations
Expression System:
Homo sapiens (HEK293)
Species:
Homo sapiens (Human)
UniProt ID:
P33681
Recombinant Mouse B7-2/CD86 Fc Chimera Protein, CF
741-B2 is a protein from R&D Systems
4 Citations
Expression System:
Unknown
Species:
Mus musculus (Mouse)
UniProt ID:
Q549Q9
Recombinant Mouse ICOS Fc Chimera Protein, CF
168-CS is a protein from R&D Systems
4 Citations
Expression System:
Unknown
Species:
Mus musculus (Mouse)
UniProt ID:
Q9WVS0
ImmunoCult™ Human CD3/CD28 T Cell Activator
100-0784 is a protein from STEMCELL Technologies
3 Citations
Expression System:
Unknown
Species:
Unknown
UniProt ID:
Unknown
Human CD28 / TP44 Protein (ECD)
11524-HCCH is a protein from Sino Biological
3 Citations
Expression System:
Homo sapiens (HEK293)
Species:
Homo sapiens (Human)
UniProt ID:
P10747
Recombinant Mouse B7-1/CD80 Fc Chimera His-tag Protein, CF
740-B1-100 is a protein from R&D Systems
3 Citations
Expression System:
Unknown
Species:
Mus musculus (Mouse)
UniProt ID:
Q00609
Human CD28 Protein (ECD,Fc Tag)
11524-H02H is a protein from Sino Biological
3 Citations
Expression System:
Homo sapiens (HEK293)
Species:
Homo sapiens (Human)
UniProt ID:
P10747
‹ Prev1234Next ›

Join thousands of people who already enjoy the CiteAb newsletter

Stay up to date with improvements to the CiteAb Explore Platform and data services, news of our partnerships, product launches and the CiteAb Awards, and get our latest market data analysis straight to your inbox.

Sign up
×

We just need a few more details to better tailor our newsletter to you:

CiteAb Explore Platform
  • Image search engine
  • Antibody search engine
  • Biochemical search engine
  • Cell Lines & Models search engine
  • Kits & Assays search engine
  • Instruments search engine
  • Nucleotide search engine
  • Protein search engine
  • Custom suppliers
  • Request a Demo
Research Resources
  • Antibody dilution calculator
  • Molarity calculator
  • Finding the right antibody
  • Citing an antibody
Data Licensing
  • Pharma/Biotech
  • Finance
  • Publishers
  • Integrations
Market Data
  • Antibody market data
  • Biochemical market data
  • Cell Lines & Models market data
  • Instrument market data
  • Kits & Assay market data
  • Protein market data
Supplier Partnerships
  • Citation & Image Provision
  • Listing on CiteAb
  • Market Data
  • Case Studies
CiteAb Information
  • Our story
  • Blog
  • Contact
  • Careers
  • CiteAb publications
  • CiteAb awards
  • Facebook
  • LinkedIn
  • Instagram
The world's largest antibody search engine, with results ranked by citations.

Data Accelerating Science

CiteAb helps researchers find reliable reagents through the Explore Platform, combining powerful reagent and image search tools. We also license our world-class data to pharma & biotech companies, investors and sci-tech companies, and partner with leading life science suppliers.

Publication metadata is provided by PubMed®, a database of the US National Library of Medicine. PubMed® is a registered trademark of US National Library of Medicine.

Company registered in England #08530854. VAT #179706954.
Copyright © CiteAb Ltd 2026. All rights reserved.

  • Privacy policy
  • Cookie policy
  • Terms of use
  • Subscription Terms and Conditions

In partnership with:

  • Storm Consultancy
  • University of Bath
Proud recipient of the Queen's Award for Innovation 2022