Proteins

We provide MHC Complexes, Virus-Like Particles (VLPs) Antigens, Laminin 521, Cas9, Cas12a, cytokines, growth factors, chemokines, CD antigens, neurotrophins, hormones, enzymes, viral antigens, recombinant proteins, natural proteins, monoclonal antibodies, and polyclonal antibodies.


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Featured Proteins

MHC (Major Histocompatibility Complex)

Peptide-ready Major Histocompatibility Complexes (MHCs) are a critical component of the adaptive immune system, responsible for presenting antigens to T-cells, which play a crucial role in immune responses. MHC molecules are highly polymorphic cell surface proteins found in vertebrates, including humans, and are encoded by a complex gene family. The related linear peptidic epitope sequences are: EVDPIGHLY, NTDNNLAVY, YTDNWLAVY, ALYVDSLFFL, CLGGLLTMV, ELAGIGILTV, FLLTRILTI, FMNKFIYEI, GLYDGMEHL, GVYDGREHTV, HMTEVVRHC, KLPQLCTEL, KLVVVGAGGV, KMVELVHFL, KVAELVHFL, KVLEHVVRV, LMLGEFLKL, NLVPMVATV, PLFQVPEPV, RMFPNAPYL, SLLMWITQC, SLLMWITQV, SLLQHLIGL, YLEPGPVTA, YMLDLQPET, FMNKFIYEI, VVGAVGVGK, SSCSSCPLTK, VVGADGVGK, VVVGAAGVGK, VVVGAVGVGK, AYACNTSTL, IMPKAGLLI, VYFFLPDHL, GADGVGKSAL, VMAPKTLVL, RIIPRHLQL, SIINFEKL, AMAPRTLLL, and NQKLIANQF.

LifeTein provides single-chain peptide-MHC monomers, biotinylated MHC monomers, tetramers, and biotinylated tetramers, MHC-I Virus-Like Particles, and multivalent fluorescent MHC-I Virus-Like Particles.Other catalog products include NY-ESO-1, KRAS, MAGE, GP100, AFP, LMP2, Survivin, HBV, HPV, WT-1, and P53. Our functional peptide-ready MHCs products are a ready-to-use loading system for loading neoantigen peptides to form a new complete MHC peptide complex.

Applications of peptide-ready MHCs:

  • Research: Peptide-MHC tetramers or multimers are widely used in immunological research to detect and characterize antigen-specific T-cells. These reagents enable the precise identification and quantification of T-cells recognizing specific peptide antigens.
  • Vaccine development: Understanding the peptide epitopes presented by MHC molecules is crucial for designing vaccines that can elicit effective T-cell responses against pathogens or cancer cells.
  • Immunotherapy: Peptide-based immunotherapies, such as peptide vaccines or adoptive T-cell therapy, utilize knowledge of peptide-MHC interactions to target specific antigens in cancer treatment and infectious disease control.

Virus-like particles (VLPs)-displayed antigens

LifeTein offers a series of Virus-like particles (VLPs)-displayed antigens. VLPs are nanoparticles derived from the capsid protein of a virus. Virus-like particles are used for antibody discovery for immunization and screening, affinity determination for ELISA, Surface Plasmon Resonance (SPR), in vivo pharmacokinetic analysis, CMC (Chemistry, Manufacturing, and Controls) method development, and CAR-T positive rate detection.

Search these featured VLPs from the search box above: Human GPRC5D Protein-VLP (LTP10647), Human CCR2b Protein-VLP (LTP10415), CD24 Protein-VLP (LTP10683), Human CD20 VLP, Human CD24 VLP, Human Claudin 18.2 VLP, Human Claudin 6 VLP, Biotinylated Human VLP Control, Mouse Claudin 6 VLP, Human SSTR2 VLP, Human Cannabinoid Receptor 2 Protein-VLP, Human A2AR VLP, Human TM4SF1 VLP, Human GPC3 (438-554) VLP, Mouse GPRC5D VLP, Cynomolgus GPRC5D VLP, Human GPC3 VLP, Human Adenosine receptor A2b Protein-VLP

CD3 proteins

LifeTein provides highly active CD3 proteins, including monomers, homodimers, heterodimers, and biotinylated proteins.

Here are the featured products: Biotinylated Cynomolgus CD3E&CD3D, hFc tag; Biotinylated Cynomolgus CD3E&CD3G, hFc tag; Cynomolgus CD3E, His tag; Human CD3E&CD3G, His tag; Mouse CD3E&CD3D, hFc tag; Human CD3E&CD3G, hFc tag; Biotinylated Human CD3E&CD3G, His tag; Biotinylated Human CD3E&CD3D, His Tag; Biotinylated Cynomolgus CD3E 1-27 peptide, hFc tag; Cynomolgus CD3E&CD3D, hFc tag; Human CD3E&CD3D, hFc tag; Biotinylated Human CD3E 1-27 peptide, hFc tag.

Immune Checkpoint Proteins

LifeTein produced a series of immune checkpoint proteins with multiple labels like biotin, FITC and PE. These products are available: Human EGFRVIII Protein, Human EGFR/HER1 Protein, Cynomolgus FAP Protein, Cynomolgus FOLR2 Protein, Human FOLR4/Juno Protein, Human GUCY2C, Human Her2/ErbB2 Protein and more. Please use the search box for more proteins.

Human leukocyte antigen-G (HLA-G) and receptors

We provide mammalian-derived HLA-G and their receptors, LILRB/LILRA, in various species and tags for first-in-class drug discovery. HLA-G mediates its function by binding to receptors on immune cells.

Featured Products include: Biotinylated Human APOE3; Human APOE4 hFc Tag; Human APOE4 His Tag; Biotinylated Human LILRB Domain 2; Biotinylated Human HLA-G; Human APOE3 His Tag; Biotinylated Human HLA-G Tetramer; Cynomolgus HLA-G; Human HLA-G Tetramer; Mouse APOE; Rhesus macaque HLA-G; Cynomolgus LILRA6.

Other Proteins

We have developed a high-quality Laminin 521 product and Human Wnt Surrogate-Fc Fusion Protein that can be applied to scientific research and preclinical development. Our active Cas9 protein carries a nuclear localization signal (NLS) design. The in-house active CRISPR-Cas12a enzyme can recognize and cut DNA at a specific site different from the prototypical Cas9. Order your Recombinant CRISPR Cas9 Protein and AsCas12a (CRISPR-associated nuclease Acidaminococcus sp. Cas12a) now.

                                                                                                                                                               
LT13501 Macrophage Colony Stimulating Factor (M-CSF)$650 $300
download pdf data sheet
LTP10120$406
download pdf data sheet
LT13513$320
download pdf data sheet
LT12010  $230
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Displaying 1 to 10 (of 1152 Products)
Price Product Name-
$960.00... more info
2019 Coronavirus SARS-CoV-2 Nucleocapsid Protein
Featured Product New! : Monoclonal Antibodies to Coronavirus SARS-CoV-2 RBD Domain Name : 2019 Coronavirus SARS-CoV-2 Nucleocapsid Protein Description : Recombinant protein of SARS-CoV-2 nucleocapsid phosphoprotein (N) from Wuhan pneumonia virus...
$960.00... more info
2019 Coronavirus SARS-CoV-2 Spike S1 RBD Protein
Featured Product New! : Monoclonal Antibodies to Coronavirus SARS-CoV-2 RBD Domain Description :2019 Coronavirus SARS-CoV-2 Spike S1 RBD Protein, human IgG1 Fc tag. Reference: A highly conserved cryptic epitope in the receptor-binding domains of...
$2,880.00... more info
2019 Coronavirus SARS-CoV-2 Spike S1 RBD Protein-1mg
Featured Product New! : Monoclonal Antibodies to Coronavirus SARS-CoV-2 RBD Domain Description :2019 Coronavirus SARS-CoV-2 Spike S1 RBD Protein, human IgG1 Fc tag. Reference: A highly conserved cryptic epitope in the receptor-binding domains of...
$336.00... more info
Alkali-tolerant Recombinant Protein A Agarose
Catalog Number: LT12014 Packing Details: 1 mL resin, crosslinked 6% beaded agarose supplied as 50% slurry (e.g., 1mL of settled resin is equivalent to 2mL of 50% slurry) in 0.02% sodium azide Binding Capacity: 10~20 mg/ml rabbit IgG or 15~25...
$540.00 $350.00Save: 35% off... more info
Biotin-SBP1 Peptide binder to the SARS-CoV-2 spike protein
Featured Product New! : Monoclonal Antibodies to Coronavirus SARS-CoV-2 RBD Domain The SARS-CoV-2 coronavirus invades host cells by binding the angiotensin converting enzyme 2 (ACE2) receptor on human cell surface through its viral spike protein...
$789.00... more info
Biotinylated Cynomolgus BAFF/TNFSF13B/CD257 Trimer Protein (LTP11049)
Product NameBiotinylated Cynomolgus BAFF/TNFSF13B/CD257 Trimer Protein (LTP11049) Catalog NumberLTP11049 Quantity100ug Price $ 789 In stock BackgroundB-cell activating factor (BAFF) also known as tumor necrosis factor ligand superfamily member...
$789.00... more info
Biotinylated Cynomolgus CD24 Protein (Primary Amine Labeling) (LTP10260)
Product NameBiotinylated Cynomolgus CD24 Protein (Primary Amine Labeling) (LTP10260) Catalog NumberLTP10260 Quantity100ug Price $ 789 In stock BackgroundCD24 is a sialoglycoprotein expressed at the surface of most B lymphocytes and...
$900.00... more info
Biotinylated Cynomolgus CD3E/CD3 epsilon 1-27 peptide Protein (LTP10584)
Product NameBiotinylated Cynomolgus CD3E/CD3 epsilon 1-27 peptide Protein (LTP10584) Catalog NumberLTP10584 Quantity100ug Price $ 900 In stock BackgroundCD3E, is a single-pass type I membrane protein.CD3 (cluster of differentiation 3) T cell...
$1,013.00... more info
Biotinylated Cynomolgus GARP&Latent TGF beta 1 Complex Protein (LTP10635)
Product NameBiotinylated Cynomolgus GARP&Latent TGF beta 1 Complex Protein (LTP10635) Catalog NumberLTP10635 Quantity100ug Price $ 1013 In stock BackgroundGARP&Latent TGF Beta is a complex found on surface of many types of cells. In Tregs,...
$789.00... more info
Biotinylated Cynomolgus MSLN/Mesothelin Protein (Primary Amine Labeling) (LTP10699)
Product NameBiotinylated Cynomolgus MSLN/Mesothelin Protein (Primary Amine Labeling) (LTP10699) Catalog NumberLTP10699 Quantity100ug Price $ 789 In stock BackgroundMesothelin, also known as MSLN, is a protein that in humans is encoded by the...
Displaying 1 to 10 (of 1152 Products)
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