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.

LTP4418 Recombinant Mouse RANKL Protein $1000 $500
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LT13501 Macrophage Colony Stimulating Factor (M-CSF)$650 $300
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LT12010  $230
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Displaying 381 to 390 (of 627 Products)
Price Product Name-
$450.00... more info
Human IFN alpha/beta R1 Protein (LTP10952)
Product NameHuman IFN alpha/beta R1 Protein (LTP10952) Catalog NumberLTP10952 Quantity100ug Price $ 450 In stock BackgroundIFN-alpha / beta R1, also known as IFNAR1, belongs to the class II cytokine receptor family of proteins. Class II...
$339.00... more info
Human IFN alpha/beta R2 Protein (LTP10572)
Product NameHuman IFN alpha/beta R2 Protein (LTP10572) Catalog NumberLTP10572 Quantity100ug Price $ 339 In stock BackgroundAlthough interferon (IFN)-? is known to exert immunomodulatory and antiproliferative effects on dendritic cells (DCs)...
$226.00... more info
Human IFN gamma R1/IFNGR1 Protein (LTP10587)
Product NameHuman IFN gamma R1/IFNGR1 Protein (LTP10587) Catalog NumberLTP10587 Quantity100ug Price $ 226 In stock BackgroundIFN-gamma and one of its receptor subunits, IFNGR1, are translocated to the nucleus, together with STAT1alpha as one...
$180.00... more info
Human IFN gamma/IFNG Protein (LTP11031)
Product NameHuman IFN gamma/IFNG Protein (LTP11031) Catalog NumberLTP11031 Quantity100ug Price $ 180 In stock BackgroundInterferon-gamma (IFN gamma) is a cytokine that plays physiologically important roles in promoting innate and adaptive...
$473.00... more info
Human IGF1R/CD221 Protein (LTP10816)
Product NameHuman IGF1R/CD221 Protein (LTP10816) Catalog NumberLTP10816 Quantity100ug Price $ 473 In stock BackgroundThe type 1 IGF receptor (IGF1R) is a transmembrane tyrosine kinase that is frequently overexpressed by tumours, and mediates...
$305.00... more info
Human IGFBP-7 Protein (LTP11038)
Product NameHuman IGFBP-7 Protein (LTP11038) Catalog NumberLTP11038 Quantity100ug Price $ 305 In stock BackgroundIGFBP-7, also known as Mac25/Angiomodulin (AGM), GFBP-rp1, tumor-derived adhesion factor (TAF) and prostacyclin-stimulating factor...
$150.00... more info
Human IgG1 Fc Protein (LTP10956)
Product NameHuman IgG1 Fc Protein (LTP10956) Catalog NumberLTP10956 Quantity100ug Price $ 113 In stock BackgroundIgG1 is most abundant in serum among the four IgG subclasses (IgG1, 2, 3 and 4) and binds to Fc receptors (Fc?R) on phagocytic...
$150.00... more info
Human IgG4 Fc Protein (LTP11022)
Product NameHuman IgG4 Fc Protein (LTP11022) Catalog NumberLTP11022 Quantity100ug Price $ 113 In stock BackgroundIt is known as a IgG4-related disease and its differentiation is based on the analysis of IgG4 levels in the affected tissues. The...
$406.00... more info
Human IL-1 Beta/IL-1F2 Protein (LTP10690)
Product NameHuman IL-1 Beta/IL-1F2 Protein (LTP10690) Catalog NumberLTP10690 Quantity100ug Price $ 406 In stock BackgroundInterleukin-1 beta (IL-1?) is induced by inflammatory signals in a broad number of immune cell types. IL-1? (and IL-18)...
$406.00... more info
Human IL-1 Rrp2/IL-1 R6 Protein (LTP10906)
Product NameHuman IL-1 Rrp2/IL-1 R6 Protein (LTP10906) Catalog NumberLTP10906 Quantity100ug Price $ 406 In stock BackgroundThe Interleukin 1 receptor family (IL-1 R) comprises at least eleven members including IL-1 RI (IL-1 R1), IL-1 RII (IL-1...
Displaying 381 to 390 (of 627 Products)
LifeTein LifeTein provides custom peptide synthesis service, recombinant proteins, peptides, cytokines, custom antibody service and custom protein service. LifeTein is the world leader in fast peptide synthesis service with lab facility located in New Jersey USA. LifeTein Peptide 100 Randolph Road, Suite 2D, Somerset USA New Jersey 08873
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