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http://purl.uniprot.org/citations/7705362http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/7705362http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/7705362http://www.w3.org/2000/01/rdf-schema#comment"Proteinase B, an asparagine-specific endopeptidase, has been purified from germinating vetch (Vicia sativa L.) seeds. The final preparation consists of two enzymically active proteins with molecular masses of approximately 39 kDa and 37 kDa. Synthetic substrates were used to confirm cleavage specificity of the proteinase B preparation. As expected, the enzyme cleaves the substrates at the C-terminal side of Asn residues. The octapeptide ETRNGVEE was digested most efficiently. When Gly was replaced by Ile or Glu, cleavage took place with lower efficiency. Polyclonal antibodies displayed both proteins in cotyledon extracts of germinated vetch seeds. In addition, a strong cross-reacting protein band was found in cotyledon extracts of developing seeds, indicating the presence of a very similar enzyme during seed development. cDNA clones encoding proteinase B precursor have been obtained on the basis of the N-terminal amino acid sequence DDDFEGTRWAILLAGS, by means of the polymerase chain reaction. The cDNA clones contain an open reading frame of 1479 bp encoding a polypeptide of 493 amino acids. The precursor displayed 59% sequence identity to the cDNA-derived amino acid sequence of a vacuolar Asn-specific enzyme from the developing castor beam endosperm which is thought to catalyze the post-translational processing of pro-proteins into the mature forms. Proteinase B is synthesized de novo during seed germination. The results of Southern-blot analyses suggested that there are at least two genes for proteinase B."xsd:string
http://purl.uniprot.org/citations/7705362http://purl.org/dc/terms/identifier"doi:10.1111/j.1432-1033.1995.tb20284.x"xsd:string
http://purl.uniprot.org/citations/7705362http://purl.org/dc/terms/identifier"doi:10.1111/j.1432-1033.1995.tb20284.x"xsd:string
http://purl.uniprot.org/citations/7705362http://purl.uniprot.org/core/author"Jung R."xsd:string
http://purl.uniprot.org/citations/7705362http://purl.uniprot.org/core/author"Jung R."xsd:string
http://purl.uniprot.org/citations/7705362http://purl.uniprot.org/core/author"Fischer J."xsd:string
http://purl.uniprot.org/citations/7705362http://purl.uniprot.org/core/author"Fischer J."xsd:string
http://purl.uniprot.org/citations/7705362http://purl.uniprot.org/core/author"Horstmann C."xsd:string
http://purl.uniprot.org/citations/7705362http://purl.uniprot.org/core/author"Horstmann C."xsd:string
http://purl.uniprot.org/citations/7705362http://purl.uniprot.org/core/author"Nielsen N.C."xsd:string
http://purl.uniprot.org/citations/7705362http://purl.uniprot.org/core/author"Nielsen N.C."xsd:string
http://purl.uniprot.org/citations/7705362http://purl.uniprot.org/core/author"Becker C."xsd:string
http://purl.uniprot.org/citations/7705362http://purl.uniprot.org/core/author"Becker C."xsd:string
http://purl.uniprot.org/citations/7705362http://purl.uniprot.org/core/author"Nong V.H."xsd:string
http://purl.uniprot.org/citations/7705362http://purl.uniprot.org/core/author"Nong V.H."xsd:string
http://purl.uniprot.org/citations/7705362http://purl.uniprot.org/core/author"Shutov A.D."xsd:string
http://purl.uniprot.org/citations/7705362http://purl.uniprot.org/core/author"Shutov A.D."xsd:string
http://purl.uniprot.org/citations/7705362http://purl.uniprot.org/core/author"Muntz K."xsd:string
http://purl.uniprot.org/citations/7705362http://purl.uniprot.org/core/author"Muntz K."xsd:string
http://purl.uniprot.org/citations/7705362http://purl.uniprot.org/core/author"Senyuk V.I."xsd:string
http://purl.uniprot.org/citations/7705362http://purl.uniprot.org/core/author"Senyuk V.I."xsd:string
http://purl.uniprot.org/citations/7705362http://purl.uniprot.org/core/date"1995"xsd:gYear
http://purl.uniprot.org/citations/7705362http://purl.uniprot.org/core/date"1995"xsd:gYear