Isolation, characterization, and expression of the gene encoding the beta subunit of the mitochondrial processing peptidase from Blastocladiella emersonii. 1998

C R Costa Rocha, and S Lopes Gomes
Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, São Paulo, São Paulo 05599-970, Brazil.

A 2.3-kb BamHI-KpnI fragment was isolated from a partial genomic library and shown by nucleotide sequence analysis to contain the entire coding region of the gene encoding the beta subunit of the Blastocladiella mitochondrial processing peptidase (beta-MPP). The predicted beta-MPP protein has 465 amino acids and a calculated molecular mass of 50.8 kDa. S1 nuclease protection assays revealed an intron, 209 bp in size, interrupting the coding region between the putative signal sequence and the mature protein. Northern blot analysis showed that beta-MPP mRNA levels decrease significantly during B. emersonii sporulation, reaching basal levels in the zoospore stage. The amount of beta-MPP protein, determined in Western blots, unlike its mRNA, does not vary significantly throughout the fungal life cycle.

UI MeSH Term Description Entries
D008666 Metalloendopeptidases ENDOPEPTIDASES which use a metal such as ZINC in the catalytic mechanism. Metallo-Endoproteinases,Metalloendopeptidase
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
D011401 Promoter Regions, Genetic DNA sequences which are recognized (directly or indirectly) and bound by a DNA-dependent RNA polymerase during the initiation of transcription. Highly conserved sequences within the promoter include the Pribnow box in bacteria and the TATA BOX in eukaryotes. rRNA Promoter,Early Promoters, Genetic,Late Promoters, Genetic,Middle Promoters, Genetic,Promoter Regions,Promoter, Genetic,Promotor Regions,Promotor, Genetic,Pseudopromoter, Genetic,Early Promoter, Genetic,Genetic Late Promoter,Genetic Middle Promoters,Genetic Promoter,Genetic Promoter Region,Genetic Promoter Regions,Genetic Promoters,Genetic Promotor,Genetic Promotors,Genetic Pseudopromoter,Genetic Pseudopromoters,Late Promoter, Genetic,Middle Promoter, Genetic,Promoter Region,Promoter Region, Genetic,Promoter, Genetic Early,Promoter, rRNA,Promoters, Genetic,Promoters, Genetic Middle,Promoters, rRNA,Promotor Region,Promotors, Genetic,Pseudopromoters, Genetic,Region, Genetic Promoter,Region, Promoter,Region, Promotor,Regions, Genetic Promoter,Regions, Promoter,Regions, Promotor,rRNA Promoters
D001754 Blastocladiella A genus of aquatic fungi of the family Blastocladiaceae, order Blastocladiales, used in the study of zoospore formation. Blastocladiellas
D005800 Genes, Fungal The functional hereditary units of FUNGI. Fungal Genes,Fungal Gene,Gene, Fungal
D000096122 Mitochondrial Processing Peptidase A hetero-dimeric protein consisting of two subunits, alpha and beta, which are referred to as PMPCA and PMPCB in humans. It plays an essential role in removing the N-terminal targeting peptidase from precursor proteins imported into the mitochondria. Matrix Processing Peptidase,Mitochondrial Processing Protease,alpha-MPP,beta-MPP,Peptidase, Matrix Processing,Peptidase, Mitochondrial Processing,Processing Peptidase, Matrix,Processing Peptidase, Mitochondrial,Processing Protease, Mitochondrial,Protease, Mitochondrial Processing,alpha MPP,beta MPP
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
D001483 Base Sequence The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence. DNA Sequence,Nucleotide Sequence,RNA Sequence,DNA Sequences,Base Sequences,Nucleotide Sequences,RNA Sequences,Sequence, Base,Sequence, DNA,Sequence, Nucleotide,Sequence, RNA,Sequences, Base,Sequences, DNA,Sequences, Nucleotide,Sequences, RNA
D014158 Transcription, Genetic The biosynthesis of RNA carried out on a template of DNA. The biosynthesis of DNA from an RNA template is called REVERSE TRANSCRIPTION. Genetic Transcription
D015183 Restriction Mapping Use of restriction endonucleases to analyze and generate a physical map of genomes, genes, or other segments of DNA. Endonuclease Mapping, Restriction,Enzyme Mapping, Restriction,Site Mapping, Restriction,Analysis, Restriction Enzyme,Enzyme Analysis, Restriction,Restriction Enzyme Analysis,Analyses, Restriction Enzyme,Endonuclease Mappings, Restriction,Enzyme Analyses, Restriction,Enzyme Mappings, Restriction,Mapping, Restriction,Mapping, Restriction Endonuclease,Mapping, Restriction Enzyme,Mapping, Restriction Site,Mappings, Restriction,Mappings, Restriction Endonuclease,Mappings, Restriction Enzyme,Mappings, Restriction Site,Restriction Endonuclease Mapping,Restriction Endonuclease Mappings,Restriction Enzyme Analyses,Restriction Enzyme Mapping,Restriction Enzyme Mappings,Restriction Mappings,Restriction Site Mapping,Restriction Site Mappings,Site Mappings, Restriction

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