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A germination-specific spore cortex-lytic enzyme from Bacillus cereus spores: cloning and sequencing of the gene and molecular characterization of the enzyme. 1996

R Moriyama, and S Kudoh, and S Miyata, and S Nonobe, and A Hattori, and S Makino
Department of Applied Biological Sciences, School of Agricultural Sciences, Nagoya University, Japan.

A gene (sleB) encoding a 24-kDa germination-specific spore cortex-lytic enzyme, probably an N-acetylmuramyl-L-alanine amidase, was cloned from Bacillus cereus, and its nucleotide sequence was determined. It was indicated that the enzyme is produced as a 259-residue protein with a signal sequence of 32 residues and is present in dormant spores in its active form. Sulfhydryl reagents inactivated the enzyme, but mutation of a single cysteine of the protein, Cys-258, to Gly did not cause complete inactivation of the enzyme, suggesting that the residue does not function as the catalytic center of enzyme.

UI MeSH Term Description Entries
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
D009238 N-Acetylmuramoyl-L-alanine Amidase An autolytic enzyme bound to the surface of bacterial cell walls. It catalyzes the hydrolysis of the link between N-acetylmuramoyl residues and L-amino acid residues in certain cell wall glycopeptides, particularly peptidoglycan. EC 3.5.1.28. Mucopeptide Amidohydrolase,Autolysin,LE-Enzyme,Murein Hydrolase,Peptidoglycan Hydrolase,T7 Endolysin,T7 Lysozyme,Amidase, N-Acetylmuramoyl-L-alanine,Amidohydrolase, Mucopeptide,Endolysin, T7,Hydrolase, Murein,Hydrolase, Peptidoglycan,LE Enzyme,Lysozyme, T7,N Acetylmuramoyl L alanine Amidase
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
D004269 DNA, Bacterial Deoxyribonucleic acid that makes up the genetic material of bacteria. Bacterial DNA
D000581 Amidohydrolases Any member of the class of enzymes that catalyze the cleavage of amide bonds and result in the addition of water to the resulting molecules. Amidases,Amidohydrolase
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
D001409 Bacillus cereus A species of rod-shaped bacteria that is a common soil saprophyte. Its spores are widespread and multiplication has been observed chiefly in foods. Contamination may lead to food poisoning.
D001426 Bacterial Proteins Proteins found in any species of bacterium. Bacterial Gene Products,Bacterial Gene Proteins,Gene Products, Bacterial,Bacterial Gene Product,Bacterial Gene Protein,Bacterial Protein,Gene Product, Bacterial,Gene Protein, Bacterial,Gene Proteins, Bacterial,Protein, Bacterial,Proteins, Bacterial
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
D013171 Spores, Bacterial Heat and stain resistant, metabolically inactive bodies formed within the vegetative cells of bacteria of the genera Bacillus and Clostridium. Bacterial Spores,Bacterial Spore,Spore, Bacterial

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