Purification, characterization, and cDNA cloning of ABP-2 (arylphorin gene-specific binding protein-2) that specifically binds to the ABP-1-binding sequence in the arylphorin gene of Sarcophaga peregrina. 1996

N Adachi, and T Kubo, and S Natori
Faculty of Parmaceutical Sciences, University of Tokyo.

Previously, we demonstrated that ABP-1 (arylphorin gene-specific binding protein-1), which is suggested to be the transcriptional activator of the arylphorin gene of Sarcophaga peregrina, is present in NIH-Sape-4 cells, which do not express arylphorin. As well as ABP-1, these cells were found to contain another protein (ABP-2) that probably binds to the same sequence as that to which ABP-1 binds [Adachi, N., Kubo, T., and Natori, S. (1993) J. Biochem. 114, 55-60]. We purified ABP-2 from a nuclear extract of NIH-Sape-4 cells and compared its DNA-binding activity with that of ABP-1. Both ABP-1 and ABP-2 were found to bind to the same sequence in the arylphorin gene with the same affinity and stability, but an ABP-2-specific hypersensitive site was detected by DNase I footprinting analysis. Analyses of proteolytic fragments suggested that both ABP-1 and ABP-2 have Zn fingers showing high similarity with that of AEF-1, a transcriptional repressor of the Drosophila melanogaster alcohol dehydrogenase gene that binds to a sequence very similar to that binding ABP-1 and ABP-2. We isolated a candidate cDNA for ABP-2, and the protein it encoded contained nine Zn fingers and regions rich in alanine, glutamine, serine/threonine, glycine, histidine, and asparagine.

UI MeSH Term Description Entries
D007301 Insect Hormones Hormones secreted by insects. They influence their growth and development. Also synthetic substances that act like insect hormones. Insect Hormone,Hormone, Insect,Hormones, Insect
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
D002352 Carrier Proteins Proteins that bind or transport specific substances in the blood, within the cell, or across cell membranes. Binding Proteins,Carrier Protein,Transport Protein,Transport Proteins,Binding Protein,Protein, Carrier,Proteins, Carrier
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
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
D004175 Diptera An order of the class Insecta. Wings, when present, number two and distinguish Diptera from other so-called flies, while the halteres, or reduced hindwings, separate Diptera from other insects with one pair of wings. The order includes the families Calliphoridae, Oestridae, Phoridae, SARCOPHAGIDAE, Scatophagidae, Sciaridae, SIMULIIDAE, Tabanidae, Therevidae, Trypetidae, CERATOPOGONIDAE; CHIRONOMIDAE; CULICIDAE; DROSOPHILIDAE; GLOSSINIDAE; MUSCIDAE; TEPHRITIDAE; and PSYCHODIDAE. The larval form of Diptera species are called maggots (see LARVA). Flies, True,Flies,Dipteras,Fly,Fly, True,True Flies,True Fly
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
D006023 Glycoproteins Conjugated protein-carbohydrate compounds including MUCINS; mucoid, and AMYLOID glycoproteins. C-Glycosylated Proteins,Glycosylated Protein,Glycosylated Proteins,N-Glycosylated Proteins,O-Glycosylated Proteins,Glycoprotein,Neoglycoproteins,Protein, Glycosylated,Proteins, C-Glycosylated,Proteins, Glycosylated,Proteins, N-Glycosylated,Proteins, O-Glycosylated
D000595 Amino Acid Sequence The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION. Protein Structure, Primary,Amino Acid Sequences,Sequence, Amino Acid,Sequences, Amino Acid,Primary Protein Structure,Primary Protein Structures,Protein Structures, Primary,Structure, Primary Protein,Structures, Primary Protein
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

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