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.

                                                                                                                                                                               
LTP4418 Recombinant Mouse RANKL Protein $1000 $500
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LT13501 Macrophage Colony Stimulating Factor (M-CSF)$650 $300
download pdf data sheet
LTP10120$406
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LT13513$320
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LT12010  $230
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Displaying 3311 to 3320 (of 7269 Products)
Price Product Name-
$360.00... more info
Human Fc gamma RIIIB/CD16b (NA2) Protein (LTP10820)
Product NameHuman Fc gamma RIIIB/CD16b (NA2) Protein (LTP10820) Catalog NumberLTP10820 Quantity100ug Price $ 360 In stock BackgroundHuman Fc gamma RIIIB/CD16b Protein is a receptor for the Fc region of immunoglobulins gamma. Low affinity...
$609.00... more info
Human FcRH5/FcRL5 Protein (LTP10003)
Product NameHuman FcRH5/FcRL5 Protein (LTP10003) Catalog NumberLTP10003 Quantity100ug Price $ 609 In stock BackgroundFcRH5 is a cell surface marker enriched on malignant plasma cells when compared to other hematologic malignancies and normal...
$485.00... more info
Human FcRn Protein (LTP10232)
Product NameHuman FcRn Protein (LTP10232) Catalog NumberLTP10232 Quantity100ug Price $ 485 In stock BackgroundThe neonatal Fc receptor (FCRN) is an approximately 45 kDa transmembrane glycoprotein with structural homology to MHC class I...
$136.00... more info
Human FGF basic Protein (LTP10759)
Product NameHuman FGF basic Protein (LTP10759) Catalog NumberLTP10759 Quantity100ug Price $ 136 In stock BackgroundFGF basic is a member of the FGF family of at least 23 related mitogenic proteins which show 35-60% amino acid conservation. FGF...
$473.00... more info
Human FGF10 Protein (LTP10975)
Product NameHuman FGF10 Protein (LTP10975) Catalog NumberLTP10975 Quantity100ug Price $ 473 In stock BackgroundFibroblast growth factor 10 (FGF10) regulates multiple stages of structural lung morphogenesis, cellular differentiation, and the...
$563.00... more info
Human FGF21 Protein (LTP11055)
Product NameHuman FGF21 Protein (LTP11055) Catalog NumberLTP11055 Quantity100ug Price $ 563 In stock BackgroundFibroblast growth factor 21 (FGF21) is a peptide hormone that is synthesized by several organs and regulates energy homeostasis....
$226.00... more info
Human FGFR1 alpha (IIIc) Protein (LTP10923)
Product NameHuman FGFR1 alpha (IIIc) Protein (LTP10923) Catalog NumberLTP10923 Quantity100ug Price $ 226 In stock BackgroundFibroblast growth factors (FGFs) comprise a family of at least eighteen structurally related proteins that are involved...
$339.00... more info
Human FGFR1 beta (IIIc) Protein (LTP10187)
Product NameHuman FGFR1 beta (IIIc) Protein (LTP10187) Catalog NumberLTP10187 Quantity100ug Price $ 339 In stock BackgroundFibroblast growth factor receptor 1 (FGFR1) transmits signals through the plasma membrane regulating essential cellular...
$519.00... more info
Human FGFR2 alpha (IIIb) Protein (LTP10481)
Product NameHuman FGFR2 alpha (IIIb) Protein (LTP10481) Catalog NumberLTP10481 Quantity100ug Price $ 519 In stock BackgroundFour distinct genes encoding closely related FGF receptors, FGF R1 - 4, are known. All four genes for FGF Rs encode...
$473.00... more info
Human FGFR2 alpha (IIIb) Protein (LTP11063)
Product NameHuman FGFR2 alpha (IIIb) Protein (LTP11063) Catalog NumberLTP11063 Quantity100ug Price $ 473 In stock BackgroundFour distinct genes encoding closely related FGF receptors, FGF R1 - 4, are known. All four genes for FGF Rs encode...
Displaying 3311 to 3320 (of 7269 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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