Virus Family virion Host function Viral protein Receptor Type Host expression Virus tropism entry mode
Feline leukemia virus A Retroviridae, gammaretrovirus RT Env Felidae Entry Envelope glycoprotein SLC19A2(Pit2) Transporter ? Lymphocytes? ?
Feline leukemia virus B Retroviridae, gammaretrovirus RT Env Felidae Entry Envelope glycoprotein SLC20A1(Pit1), SLC20A2(Pit2) Transporter Muscle. placenta, heart, liver and kidney. Lymphocytes? Fusion with host cell membrane
Feline leukemia virus C Retroviridae, gammaretrovirus RT Env Felidae Entry Envelope glycoprotein FLVCR1 Transporter Lymphocytes Lymphocytes? Fusion with host cell membrane
Feline leukemia virus T Retroviridae, gammaretrovirus RT Env Felidae Entry Envelope glycoprotein FeLIX endogenous retrovirus surface protein Lymphocytes T-Lymphocytes? Fusion with host cell membrane
Feline leukemia virus T Retroviridae, gammaretrovirus RT Env Felidae Entry Envelope glycoprotein SLC20A1(Pit1) Transporter Muscle. placenta, heart, liver and kidney T-Lymphocytes Fusion with host cell membrane
Gibbon ape leukemia virus Retroviridae, gammaretrovirus RT Env Apes Entry Envelope glycoprotein SLC20A1(Pit1) Transporter Muscle. placenta, heart, liver and kidney Lymphocytes Fusion with host cell membrane
Murine leukemia virus Retroviridae, gammaretrovirus RT Env Rodent Entry Envelope glycoprotein SLC19A2(Pit2) Transporter ? Lymphocyte Fusion with host cell membrane
Endogenous murine type C ecotropic retrovirus Retroviridae, gammaretrovirus RT Env Mouse Entry Envelope glycoprotein Slc7a1(CAT1) Transporter Skin, pancreas, gastrointestinal tract ? Caveolin-mediated endocytosis
Endogenous xenotropic and polytropic murine leukemia virus Retroviridae, gammaretrovirus RT Env Mouse Entry Envelope glycoprotein XPR1 Transporter ? ? Fusion with host cell membrane
Endogenous subgroup A avian leukosis and sarcoma virus Retroviridae, alpharetrovirus RT Env Chicken Entry Envelope glycoprotein Tva Receptor ? Mostly lymphocytes ?
Endogenous subgroup B, D and E avian leukosis and sarcoma virus Retroviridae, alpharetrovirus RT Env Chicken Entry Envelope glycoprotein Tvb Receptor ? Mostly lymphocytes ?
Bovine leukemia virus Retroviridae, deltaretrovirus RT Env Bovine, Ovine Entry Envelope glycoprotein Blvr ? ? B lymphocytes ?
Mouse mammary tumor virus Retroviridae, betaretrovirus RT Env Mouse Entry Envelope glycoprotein Transferin receptor (TFRC) Receptor Monocytes, lymphocytes, erythrocytes primary: macrophages in Peyer s patches of the gastrointestinal tracts, secondary B and T lymphocytes Fusion with host cell membrane
Spleen necrosis virus Retroviridae, gammaretrovirus RT Env Duck Entry Envelope glycoprotein SLC1A5 Transporter Ubiquitous ? ?
HIV-1 Retroviridae, lentivirus RT Env Human Adhesion Envelope gp120 CD4 Receptor T-lymphocytes, macrophages, dendritic cells T-lymphocytes Clathrin-mediated endocytosis
HIV-1 Retroviridae, lentivirus RT Env Human Adhesion Envelope gp120 DC-SIGN Lectin Dendritic cells T-lymphocytes Clathrin-mediated endocytosis
HIV-1 Retroviridae, lentivirus RT Env Human Adhesion Envelope gp120 CLEC4M(L-SIGN) Lectin liver sinusoidal endothelial cells and lymph node T-lymphocytes Clathrin-mediated endocytosis
HIV-1 Retroviridae, lentivirus RT Env Human Atdhesion Envelope gp120 Heparan sulfate Polysaccharide ? T-lymphocytes Clathrin-mediated endocytosis
HIV-1 Retroviridae, lentivirus RT Env Human Adhesion Envelope gp120 ? Glycosphingolipid ? T-lymphocytes Clathrin-mediated endocytosis
HIV-1 Retroviridae, lentivirus RT Env Human Adhesion Host ICAM1 LFA1 Adhesion molecule Lymphocytes T-lymphocytes Clathrin-mediated endocytosis
HIV-1 Retroviridae, lentivirus RT Env Human Entry Envelope gp120 CCr5 Receptor T-lymphocytes, macrophages, dendritic cells T-lymphocytes Clathrin-mediated endocytosis
HIV-1 Retroviridae, lentivirus RT Env Human Entry Envelope gp120 CXCR4 Receptor Lymphocytes T-lymphocytes Clathrin-mediated endocytosis
Simian immunodeficiency virus Retroviridae, lentivirus RT Env Apes Adhesion Envelope glycoprotein CD4 Receptor T-lymphocytes, macrophages, dendritic cells T lymphocytes ?
Feline immunodefficiency virus Retroviridae, lentivirus RT Env Felidae Adhesion Envelope glycoprotein TNFRSF4 Receptor Lymphocyte T4 Lymphocyte ?
Feline immunodefficiency virus Retroviridae, lentivirus RT Env Felidae ? Envelope glycoprotein CXCr4 Receptor Lymphocytes T4 Lymphocyte ?
Hepatitis B virus Hepadnaviridae, Orthohepadnavirus RT Env Human Adhesion Large envelope protein Heparan sulfate Polysaccharide ? Hepatocyte Caveolin-mediated endocytosis
Hepatitis B virus Hepadnaviridae, Orthohepadnavirus RT Env Human Adhesion Large envelope protein SLC10A1(NTCP) Transporter hepatocyte Hepatocyte Caveolin-mediated endocytosis
Hepatitis B virus Hepadnaviridae, Orthohepadnavirus RT Env Human Adhesion Large envelope protein Mannose receptor(MRC1) Receptor Macrophages, dendritic cells, dermal fibroblasts and keratinocytes Hepatocyte Caveolin-mediated endocytosis
Avian hepatitis B virus Hepadnaviridae, Avihepadnavirus RT Env Birds Entry Large envelope protein Carboxypeptidase D Peptidase ? hepatocyte Caveolin-mediated endocytosis