Characterization of a novel manganese peroxidase-lignin peroxidase hybrid isozyme produced by Bjerkandera species strain BOS55 in the absence of manganese.
Identifieur interne : 001C33 ( Main/Exploration ); précédent : 001C32; suivant : 001C34Characterization of a novel manganese peroxidase-lignin peroxidase hybrid isozyme produced by Bjerkandera species strain BOS55 in the absence of manganese.
Auteurs : T. Mester [Pays-Bas] ; J A FieldSource :
- The Journal of biological chemistry [ 0021-9258 ] ; 1998.
Descripteurs français
- KwdFr :
- Alcools benzyliques (métabolisme), Basidiomycota (enzymologie), Catalyse (MeSH), Données de séquences moléculaires (MeSH), Isoenzymes (métabolisme), Manganèse (métabolisme), Oxydoréduction (MeSH), Peroxidases (métabolisme), Point isoélectrique (MeSH), Spectrophotométrie atomique (MeSH), Séquence d'acides aminés (MeSH).
- MESH :
- enzymologie : Basidiomycota.
- métabolisme : Alcools benzyliques, Isoenzymes, Manganèse, Peroxidases.
- Catalyse, Données de séquences moléculaires, Oxydoréduction, Point isoélectrique, Spectrophotométrie atomique, Séquence d'acides aminés.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Benzyl Alcohols, Isoenzymes, Manganese, Peroxidases.
- enzymology : Basidiomycota.
- Amino Acid Sequence, Catalysis, Isoelectric Point, Molecular Sequence Data, Oxidation-Reduction, Spectrophotometry, Atomic.
Abstract
A novel manganese-dependent peroxidase (MnP) isozyme produced in manganese-free cultures of Bjerkandera sp. strain BOS55 was purified and characterized. The production of the enzyme was greatly stimulated by the exogenous addition of various physiological organic acids such as glycolate, glyoxylate, and oxalate. The physical properties of the enzyme are similar to those of MnP isozymes from different white rot fungi (Mr = 43,000, pI 3.88, and epsilon407 nm = 123 mM-1 cm-1). The Bjerkandera MnP was efficient in the oxidation of Mn(II), as indicated by the kinetic constants (low Km of 51 microM and turnover number of 59 s-1). Furthermore, the isozyme was able to oxidize various substrates in the absence of manganese, such as 2,6-dimethoxyphenol, guaiacol, ABTS, 3-hydroxyanthranilic acid, and o- and p-anisidine. An interesting characteristic of the isozyme was its ability to oxidize nonphenolic substrates, veratryl alcohol and 1,4-dimethoxybenzene, without manganese addition. The affinity for veratryl alcohol (Km = 116 microM) and its turnover number (2.8 s-1) are comparable to those of lignin peroxidase (LiP) isozymes from other white rot fungi. Manganese at concentrations greater than 0.1 mM severely inhibited the oxidation of veratryl alcohol. The results suggest that this single isozyme is a hybrid between MnP and LiP found in other white rot fungi. The N-terminal amino acid sequence showed a very high homology to those of both MnP and LiP isozymes from Trametes versicolor.
DOI: 10.1074/jbc.273.25.15412
PubMed: 9624124
Affiliations:
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Box 8129, 6700 EV Wageningen</wicri:regionArea><orgName type="university">Université de Wageningue</orgName><placeName><settlement type="city">Wageningue</settlement><region nuts="2">Gueldre (province)</region></placeName></affiliation></author><author><name sortKey="Field, J A" sort="Field, J A" uniqKey="Field J" first="J A" last="Field">J A Field</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1998">1998</date><idno type="RBID">pubmed:9624124</idno><idno type="pmid">9624124</idno><idno type="doi">10.1074/jbc.273.25.15412</idno><idno type="wicri:Area/Main/Corpus">001C26</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">001C26</idno><idno type="wicri:Area/Main/Curation">001C26</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">001C26</idno><idno type="wicri:Area/Main/Exploration">001C26</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Characterization of a novel manganese peroxidase-lignin peroxidase hybrid isozyme produced by Bjerkandera species strain BOS55 in the absence of manganese.</title><author><name sortKey="Mester, T" sort="Mester, T" uniqKey="Mester T" first="T" last="Mester">T. Mester</name><affiliation wicri:level="4"><nlm:affiliation>Division of Industrial Microbiology, Department of Food Technology and Nutrition Sciences, Wageningen Agricultural University, P. O. Box 8129, 6700 EV Wageningen, The Netherlands. Tunde.Mester@algemeen.im.wau.nl</nlm:affiliation><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Division of Industrial Microbiology, Department of Food Technology and Nutrition Sciences, Wageningen Agricultural University, P. O. 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The production of the enzyme was greatly stimulated by the exogenous addition of various physiological organic acids such as glycolate, glyoxylate, and oxalate. The physical properties of the enzyme are similar to those of MnP isozymes from different white rot fungi (Mr = 43,000, pI 3.88, and epsilon407 nm = 123 mM-1 cm-1). The Bjerkandera MnP was efficient in the oxidation of Mn(II), as indicated by the kinetic constants (low Km of 51 microM and turnover number of 59 s-1). Furthermore, the isozyme was able to oxidize various substrates in the absence of manganese, such as 2,6-dimethoxyphenol, guaiacol, ABTS, 3-hydroxyanthranilic acid, and o- and p-anisidine. An interesting characteristic of the isozyme was its ability to oxidize nonphenolic substrates, veratryl alcohol and 1,4-dimethoxybenzene, without manganese addition. The affinity for veratryl alcohol (Km = 116 microM) and its turnover number (2.8 s-1) are comparable to those of lignin peroxidase (LiP) isozymes from other white rot fungi. Manganese at concentrations greater than 0.1 mM severely inhibited the oxidation of veratryl alcohol. The results suggest that this single isozyme is a hybrid between MnP and LiP found in other white rot fungi. The N-terminal amino acid sequence showed a very high homology to those of both MnP and LiP isozymes from Trametes versicolor.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">9624124</PMID><DateCompleted><Year>1998</Year><Month>07</Month><Day>09</Day></DateCompleted><DateRevised><Year>2019</Year><Month>05</Month><Day>08</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0021-9258</ISSN><JournalIssue CitedMedium="Print"><Volume>273</Volume><Issue>25</Issue><PubDate><Year>1998</Year><Month>Jun</Month><Day>19</Day></PubDate></JournalIssue><Title>The Journal of biological chemistry</Title><ISOAbbreviation>J Biol Chem</ISOAbbreviation></Journal><ArticleTitle>Characterization of a novel manganese peroxidase-lignin peroxidase hybrid isozyme produced by Bjerkandera species strain BOS55 in the absence of manganese.</ArticleTitle><Pagination><MedlinePgn>15412-7</MedlinePgn></Pagination><Abstract><AbstractText>A novel manganese-dependent peroxidase (MnP) isozyme produced in manganese-free cultures of Bjerkandera sp. strain BOS55 was purified and characterized. The production of the enzyme was greatly stimulated by the exogenous addition of various physiological organic acids such as glycolate, glyoxylate, and oxalate. The physical properties of the enzyme are similar to those of MnP isozymes from different white rot fungi (Mr = 43,000, pI 3.88, and epsilon407 nm = 123 mM-1 cm-1). The Bjerkandera MnP was efficient in the oxidation of Mn(II), as indicated by the kinetic constants (low Km of 51 microM and turnover number of 59 s-1). Furthermore, the isozyme was able to oxidize various substrates in the absence of manganese, such as 2,6-dimethoxyphenol, guaiacol, ABTS, 3-hydroxyanthranilic acid, and o- and p-anisidine. An interesting characteristic of the isozyme was its ability to oxidize nonphenolic substrates, veratryl alcohol and 1,4-dimethoxybenzene, without manganese addition. The affinity for veratryl alcohol (Km = 116 microM) and its turnover number (2.8 s-1) are comparable to those of lignin peroxidase (LiP) isozymes from other white rot fungi. Manganese at concentrations greater than 0.1 mM severely inhibited the oxidation of veratryl alcohol. The results suggest that this single isozyme is a hybrid between MnP and LiP found in other white rot fungi. The N-terminal amino acid sequence showed a very high homology to those of both MnP and LiP isozymes from Trametes versicolor.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Mester</LastName><ForeName>T</ForeName><Initials>T</Initials><AffiliationInfo><Affiliation>Division of Industrial Microbiology, Department of Food Technology and Nutrition Sciences, Wageningen Agricultural University, P. O. Box 8129, 6700 EV Wageningen, The Netherlands. 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