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Structure and variations of feline immunodeficiency virus envelope glycoproteins. 1993

G Pancino, and I Fossati, and C Chappey, and S Castelot, and B Hurtrel, and A Moraillon, and D Klatzmann, and P Sonigo
Institut Cochin de Génétique Moléculaire (ICGM-CNRS UPR 0415), Paris, France.

We report the characterization of the env gene of a feline immunodeficiency virus isolate from France (FIV Wo). FIV Wo gag and env genes were cloned directly from cat peripheral blood mononuclear cells, using polymerase chain reaction. The env molecular clone was shown to be functional and to express antigenically relevant envelope glycoproteins in vitro. Alignment of FIV Wo sequences with available FIV sequences and application of a regionalization algorithm resulted in delineation of variable and conserved domains of FIV Env. These data were used to build a schematic folding model of FIV envelope glycoproteins. The Env molecular clone, variability map, and structural model constitute helpful tools for future studies of FIV envelope aimed at the determination of structure-function relationships or design of diagnostics or vaccine reagents.

UI MeSH Term Description Entries
D007963 Leukocytes, Mononuclear Mature LYMPHOCYTES and MONOCYTES transported by the blood to the body's extravascular space. They are morphologically distinguishable from mature granulocytic leukocytes by their large, non-lobed nuclei and lack of coarse, heavily stained cytoplasmic granules. Mononuclear Leukocyte,Mononuclear Leukocytes,PBMC Peripheral Blood Mononuclear Cells,Peripheral Blood Human Mononuclear Cells,Peripheral Blood Mononuclear Cell,Peripheral Blood Mononuclear Cells,Leukocyte, Mononuclear
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D008970 Molecular Weight The sum of the weight of all the atoms in a molecule. Molecular Weights,Weight, Molecular,Weights, Molecular
D002415 Cats The domestic cat, Felis catus, of the carnivore family FELIDAE, comprising over 30 different breeds. The domestic cat is descended primarily from the wild cat of Africa and extreme southwestern Asia. Though probably present in towns in Palestine as long ago as 7000 years, actual domestication occurred in Egypt about 4000 years ago. (From Walker's Mammals of the World, 6th ed, p801) Felis catus,Felis domesticus,Domestic Cats,Felis domestica,Felis sylvestris catus,Cat,Cat, Domestic,Cats, Domestic,Domestic Cat
D003001 Cloning, Molecular The insertion of recombinant DNA molecules from prokaryotic and/or eukaryotic sources into a replicating vehicle, such as a plasmid or virus vector, and the introduction of the resultant hybrid molecules into recipient cells without altering the viability of those cells. Molecular Cloning
D004591 Electrophoresis, Polyacrylamide Gel Electrophoresis in which a polyacrylamide gel is used as the diffusion medium. Polyacrylamide Gel Electrophoresis,SDS-PAGE,Sodium Dodecyl Sulfate-PAGE,Gel Electrophoresis, Polyacrylamide,SDS PAGE,Sodium Dodecyl Sulfate PAGE,Sodium Dodecyl Sulfate-PAGEs
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014644 Genetic Variation Genotypic differences observed among individuals in a population. Genetic Diversity,Variation, Genetic,Diversity, Genetic,Diversities, Genetic,Genetic Diversities,Genetic Variations,Variations, Genetic
D015686 Gene Products, env Retroviral proteins, often glycosylated, coded by the envelope (env) gene. They are usually synthesized as protein precursors (POLYPROTEINS) and later cleaved into the final viral envelope glycoproteins by a viral protease. env Gene Products,env Polyproteins,env Protein,env Antigens,env Glycoproteins,env Polyprotein,Antigens, env,Polyprotein, env,Polyproteins, env
D015750 Genes, gag DNA sequences that form the coding region for proteins associated with the viral core in retroviruses. gag is short for group-specific antigen. gag Genes,gag Gene,Gene, gag

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