. . _:b653618 . "Tetraspanin-28SYNCI" . "P60033"^^ . "CD81 Antigen"^^ . _:b653618 . _:b653618 . "Amino Acid, Peptide, or Protein"^^ . "Target Of The Antiproliferative Antibody 1SYNCI" . "CD81_Antigen"^^ . "C0084715"^^ . "186845"^^ . _:b653618 . "Tspan-28SYNCI" . . "CD81 Antigen"^^ . "26 kDa Cell Surface Protein TAPA-1SYNCI" . "C74513"^^ . "CD81 AntigenPTNCI" . "CD81 antigen (236 amino acids; 25809 Da) is encoded by the human CD81 gene. This protein may play a role in signal transduction and can promote Hepatitis C infection by binding to viral envelope proteins.NCI" .