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Official Full Name CD81 antigen
Background CD81 is a 26 kD non-glycosylated member of the tetraspanin superfamily (TM4SF), also known as TAPA-1. CD81 is expressed on T and B cells, NK cells, dendritic cells, thymocytes, endothelial cells and fibroblasts. CD81 induces B cell adhesion via the VLA-4
Synonyms CD81; CD81 antigen; 26 kDa cell surface protein TAPA-1; target of the antiproliferative 1; Tapa1; Tapa-1; Tspan28
    • Species :
    • Chicken
    • Cynomolgus
    • Human
    • Mouse
    • Rat
    • Rhesus Macaque
    • Zebrafish
    • Source :
    • E.coli
    • HEK293
    • HEK293T
    • Human Cell
    • Human cells
    • Insect Cell
    • Mammalian Cell
    • Wheat Germ
    • Tag :
    • Fc
    • GST
    • His
    • HIgG
    • T7
    • MYC/DDK
    • Myc
    • DDK
    • N/A
    Species Cat.# Product name Source (Host) Tag Protein Length Price
    Human CD81-151H Recombinant Human CD81 Protein, His-tagged Human cells His
    Human CD81-0866H Recombinant Human CD81 Protein, GST-Tagged Wheat Germ GST
    Human CD81-1555H Recombinant Human CD81 protein, His & T7-tagged E.coli His/T7
    Human CD81-186H Recombinant Human CD81, Gly&Pro tagged Human Cell Fc
    Human CD81-214H Recombinant Human CD81 Protein, hIgG-His-tagged Insect Cell His/HIgG
    Human CD81-247H Recombinant Human CD81, Fc tagged Human Cell His
    Human CD81-3105H Recombinant Human CD81 Protein, MYC/DDK-tagged HEK293 Myc/DDK
    Human CD81-619H Recombinant Human CD81 Protein, His-tagged HEK293 His
    Human CD81-848HCL Recombinant Human CD81 cell lysate Human Cell N/A
    Mouse CD81-3110M Recombinant Mouse CD81 Protein Mammalian Cell His
    Mouse Cd81-329M Recombinant Mouse CD81 Protein, His-tagged HEK293 His
    Mouse CD81-400M Recombinant Mouse CD81 Protein (116-201 aa), GST-tagged E.coli GST
    Mouse Cd81-849M Recombinant Mouse Cd81 Protein, MYC/DDK-tagged HEK293T MYC/DDK
    Mouse Cd81-906M Recombinant Mouse Cd81 Protein, Fc-tagged HEK293 Fc
    Rat Cd81-1102R Recombinant Rat Cd81 Protein, Fc-tagged HEK293 Fc
    Rat CD81-1263R Recombinant Rat CD81 Protein Mammalian Cell His
    Rat Cd81-330R Recombinant Rat CD81 Protein HEK293 N/A
    Cynomolgus CD81-328C Recombinant Cynomolgus CD81 Protein, His-tagged HEK293 His
    Rhesus Macaque CD81-750R Recombinant Rhesus monkey CD81 Protein, His-tagged Mammalian Cell His
    Chicken CD81-2225C Recombinant Chicken CD81 Mammalian Cell His
    Zebrafish CD81-9067Z Recombinant Zebrafish CD81 Mammalian Cell His

    cd81 involved in several pathways and played different roles in them. We selected most pathways cd81 participated on our site, such as B cell receptor signaling pathway, Malaria, Hepatitis C, which may be useful for your reference. Also, other proteins which involved in the same pathway with cd81 were listed below. Creative BioMart supplied nearly all the proteins listed, you can search them on our site.

    Pathway Name Pathway Related Protein
    B cell receptor signaling pathway RAC2; CTNNB2; INPPL1; PILRB; RASGRP3; CD81; VAV2; NFKBIE; DAPP1; NFATC1
    Malaria HBA1; GYPA; TGFB2; CD40; THBS4; COMP; TGFB3; CD81; SDC2; ITGAL
    Hepatitis C IFNA1; TBK1; MAPK12; MAPK10; RELA; BRAF; HRAS; MAPK3; RIPK1; DDX58

    cd81 has several biochemical functions, for example, MHC class II protein complex binding, protein binding, transferrin receptor binding. Some of the functions are cooperated with other proteins, some of the functions could acted by cd81 itself. We selected most functions cd81 had, and list some proteins which have the same functions with cd81. You can find most of the proteins on our site.

    Function Related Protein
    MHC class II protein complex binding MS4A1; ANXA11; HSPA8; HLA-DMA; CD74; PKM2; HLA-DRB1; HLA-DMB; CD81; HLA-DOB
    protein binding PES1; COL18A1; PTPN7; G3BP2; CLIC3; SYNCRIP; CDPF1; FECH; RBM5; TTC23L
    transferrin receptor binding HFE; TF; CD81; RGMA; SNX4; HFE2; SNX2; Trf; SNX1

    cd81 has direct interactions with proteins and molecules. Those interactions were detected by several methods such as yeast two hybrid, co-IP, pull-down and so on. We selected proteins and molecules interacted with cd81 here. Most of them are supplied by our site. Hope this information will be useful for your research of cd81.

    p27958-pro_0000037570; SRFBP1; HLA-B; q99ib8-pro_0000045596; TRAF6; JAK3; CSNK2B; ZBTB16

    Xiao, F; Fofana, I; et al. Synergy of entry inhibitors with direct-acting antivirals uncovers novel combinations for prevention and treatment of hepatitis C. GUT 64:483-+(2015).
    Meola, A; Tarr, AW; et al. Structural Flexibility of a Conserved Antigenic Region in Hepatitis C Virus Glycoprotein E2 Recognized by Broadly Neutralizing Antibodies. JOURNAL OF VIROLOGY 89:2170-2181(2015).

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