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Prolyl endopeptidase from Flavobacterium meningosepticum: cloning and sequencing of the enzyme gene. 1991

T Yoshimoto, and A Kanatani, and T Shimoda, and T Inaoka, and T Kokubo, and D Tsuru
School of Pharmaceutical Sciences, Nagasaki University.

The prolyl endopeptidase [EC 3.4.21.26] gene of Flavobacterium meningosepticum was cloned in Escherichia coli with the aid of an oligonucleotide probe which was prepared based on the amino acid sequence. The hybrid plasmid, pFPEP1, with a 3.5 kbp insert at the HincII site of pUC19 containing the enzyme gene, was subcloned into pUC19 to construct plasmid pFPEP3. The whole nucleotide sequence of an inserted HincII-BamHI fragment of plasmid pFPEP3 was determined by the dideoxy chain-terminating method. The purified prolyl endopeptidase was labeled with tritium DFP, and the sequence surrounding the reactive serine residue was found to be Ala (551)-Leu-Ser-Gly-Arg-*Ser-Asn(557). Ser-556 was identified as a reactive serine residue. The enzyme consists of 705 amino acid residues as deduced from the nucleotide sequence and has a molecular weight of 78,705, which coincides well with the value estimated by ultra centrifugal analysis. The amino acid sequence was 38.2% homologous to that of the porcine brain prolyl endopeptidase [Rennex et al. (1991) Biochemistry 30, 2195-2203] and 24.5% homologous to E. coli protease II, which has substrate specificity for basic amino acids [Kanatani et al. (1991) J. Biochem. 110, 315-320].

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
D010450 Endopeptidases A subclass of PEPTIDE HYDROLASES that catalyze the internal cleavage of PEPTIDES or PROTEINS. Endopeptidase,Peptide Peptidohydrolases
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
D005417 Flavobacterium A genus of gram-negative, aerobic, rod-shaped bacteria widely distributed in SOIL and WATER. Its organisms are also found in raw meats, MILK and other FOOD, hospital environments, and human clinical specimens. Some species are pathogenic in humans.
D000085822 Prolyl Oligopeptidases A family of serine proteases with specificity for proline-specific cleavage of peptides that are not longer than 30 amino acids. In humans it is broadly distributed in all tissues with higher activity found in the brain. Post-Proline Cleaving Enzyme,Post-Proline Endopeptidase,Proline Endopeptidase,Proline Specific Endopeptidase,Prolyl Endopeptidase,Prolyl Endopeptidase (Thiol-dependent),Prolyl Endopeptidase I,Prolyl Oligopeptidase,Endopeptidase I, Prolyl,Endopeptidase, Post-Proline,Endopeptidase, Proline Specific,Oligopeptidases, Prolyl,Post Proline Cleaving Enzyme,Post Proline Endopeptidase
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
D001665 Binding Sites The parts of a macromolecule that directly participate in its specific combination with another molecule. Combining Site,Binding Site,Combining Sites,Site, Binding,Site, Combining,Sites, Binding,Sites, Combining
D012689 Sequence Homology, Nucleic Acid The sequential correspondence of nucleotides in one nucleic acid molecule with those of another nucleic acid molecule. Sequence homology is an indication of the genetic relatedness of different organisms and gene function. Base Sequence Homology,Homologous Sequences, Nucleic Acid,Homologs, Nucleic Acid Sequence,Homology, Base Sequence,Homology, Nucleic Acid Sequence,Nucleic Acid Sequence Homologs,Nucleic Acid Sequence Homology,Sequence Homology, Base,Base Sequence Homologies,Homologies, Base Sequence,Sequence Homologies, Base

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