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
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LTP10120$406
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LT13513$320
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LT12010  $230
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Displaying 351 to 360 (of 627 Products)
Price Product Name-
$473.00... more info
Human FGL1 Protein (LTP10724)
Product NameHuman FGL1 Protein (LTP10724) Catalog NumberLTP10724 Quantity100ug Price $ 473 In stock BackgroundFibrinogen-like protein 1 (FGL-1) is a protein that is structurally related to fibrinogen. In humans, FLG-1 is encoded by the FGL1...
$406.00... more info
Human FOLR1 Protein (LTP10548)
Product NameHuman FOLR1 Protein (LTP10548) Catalog NumberLTP10548 Quantity100ug Price $ 406 In stock BackgroundFolate Receptor 1 (FOLR1), also known as Folate Receptor alpha and Folate Binding Protein (FBP), is a 37 - 42 kDa protein that...
$450.00... more info
Human Galectin 9/LGALS9 Protein (LTP10760)
Product NameHuman Galectin 9/LGALS9 Protein (LTP10760) Catalog NumberLTP10760 Quantity100ug Price $ 450 In stock BackgroundGalectin-9 is a secreted carbohydrate-binding protein with two lectin domains connected by a linker region.Galectins are...
$473.00... more info
Human GARP&Latent TGF Beta 1 Complex Protein (LTP10642)
Product NameHuman GARP&Latent TGF Beta 1 Complex Protein (LTP10642) Catalog NumberLTP10642 Quantity100ug Price $ 473 In stock BackgroundGARP&Latent TGF Beta is a complex found on surface of many types of cells. In Tregs, GARP is involved in...
$473.00... more info
Human GFRAL/GFR alpha-like Protein (LTP10662)
Product NameHuman GFRAL/GFR alpha-like Protein (LTP10662) Catalog NumberLTP10662 Quantity100ug Price $ 473 In stock BackgroundGFR alpha -like (GDNF receptor-alpha-like) is a distant member of the GDNFR family of proteins. Mature human GFR...
$473.00... more info
Human GFRAL/GFR alpha-like Protein (LTP10894)
Product NameHuman GFRAL/GFR alpha-like Protein (LTP10894) Catalog NumberLTP10894 Quantity100ug Price $ 473 In stock BackgroundGFR alpha -like (GDNF receptor-alpha-like) is a distant member of the GDNFR family of proteins. Mature human GFR...
$406.00... more info
Human GHR/Growth Hormone R Protein (LTP10560)
Product NameHuman GHR/Growth Hormone R Protein (LTP10560) Catalog NumberLTP10560 Quantity100ug Price $ 406 In stock BackgroundPegvisomant, a growth hormone receptor (GHR) antagonist, is a well-known drug that was designed to treat acromegaly....
$473.00... more info
Human GITR Ligand/TNFSF18 Trimer Protein (LTP10547)
Product NameHuman GITR Ligand/TNFSF18 Trimer Protein (LTP10547) Catalog NumberLTP10547 Quantity100ug Price $ 473 In stock BackgroundGlucocorticoid-induced TNFR-related protein (TNFRSF18, GITR, CD357), expressed by T cells, and its ligand...
$406.00... more info
Human GITR/TNFRSF18 Protein (LTP10804)
Product NameHuman GITR/TNFRSF18 Protein (LTP10804) Catalog NumberLTP10804 Quantity100ug Price $ 406 In stock BackgroundGITR (glucocorticoid-induced tumor necrosis factor receptor), also known as AITR and TNFRSF18, is a 40 kDa transmembrane...
$473.00... more info
Human Glypican 1/GPC1 Protein (LTP10545)
Product NameHuman Glypican 1/GPC1 Protein (LTP10545) Catalog NumberLTP10545 Quantity100ug Price $ 473 In stock BackgroundCAR-T cells targeting glypican-1 (GPC1)-specific human and murine CAR-T cells generated from our original anti-human/mouse...
Displaying 351 to 360 (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 Logo 100 Randolph Road, Suite 2D, Somerset USA New Jersey 08873
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