A Novel N,N-8-Amino-8-demethyl-D-riboflavin Dimethyltransferase (RosA) Catalyzing the Two Terminal Steps of Roseoflavin Biosynthesis in Streptomyces davawensis

Jankowitsch F, Kuehm C, Kellner R, Kalinowski J, Pelzer S, Macheroux P, Mack M (2011)
Journal of Biological Chemistry 286(44): 38275-38285.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
Streptomyces davawensis synthesizes the antibiotic roseoflavin (RoF) (8-dimethylamino-8-demethyl-D-riboflavin). It was postulated that RoF is synthesized from riboflavin via 8-amino( AF) and 8-methylamino-8-demethyl-D-riboflavin (MAF). In a cell-free extract of S. davawensis, an S-adenosyl methionine-dependent conversion of AF into MAF and RoF was observed. The corresponding N,N-8-amino-8-demethyl-D-riboflavin dimethyltransferase activity was enriched by column chromatography. The final most active fraction still contained at least five different proteins that were analyzed by enzymatic digestion and concomitant de novo sequencing by MS/MS. One of the sequences matched a hypothetical peptide fragment derived from an as yet uncharacterized open reading frame (sda77220) located in the middle of a (putative) gene cluster within the S. davawensis genome. Expression of ORF sda77220 in Escherichia coli revealed that the corresponding gene product had N,N-8-amino-8-demethyl-D-riboflavin dimethyltransferase activity. Inactivation of ORF sda77220 led to a S. davawensis strain that synthesized AF but not MAF or RoF. Accordingly, as the first identified gene of RoF biosynthesis, ORF sda77220 was named rosA. RosA (347 amino acids; 38 kDa) was purified from a recombinant E. coli strain (as a His(6)-tagged protein) and was biochemically characterized (apparent K(m) for AF = 57.7 +/- 9.2 mu M; apparent K(D) for AF = 10.0 mu M; k(cat) = 0.37 +/- 0.02 s(-1)). RosA is a unique enzyme and may be useful for a variety of applications.
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Zeitschriftentitel
Journal of Biological Chemistry
Band
286
Zeitschriftennummer
44
Seite
38275-38285
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Jankowitsch F, Kuehm C, Kellner R, et al. A Novel N,N-8-Amino-8-demethyl-D-riboflavin Dimethyltransferase (RosA) Catalyzing the Two Terminal Steps of Roseoflavin Biosynthesis in Streptomyces davawensis. Journal of Biological Chemistry. 2011;286(44):38275-38285.
Jankowitsch, F., Kuehm, C., Kellner, R., Kalinowski, J., Pelzer, S., Macheroux, P., & Mack, M. (2011). A Novel N,N-8-Amino-8-demethyl-D-riboflavin Dimethyltransferase (RosA) Catalyzing the Two Terminal Steps of Roseoflavin Biosynthesis in Streptomyces davawensis. Journal of Biological Chemistry, 286(44), 38275-38285. doi:10.1074/jbc.M111.292300
Jankowitsch, F., Kuehm, C., Kellner, R., Kalinowski, J., Pelzer, S., Macheroux, P., and Mack, M. (2011). A Novel N,N-8-Amino-8-demethyl-D-riboflavin Dimethyltransferase (RosA) Catalyzing the Two Terminal Steps of Roseoflavin Biosynthesis in Streptomyces davawensis. Journal of Biological Chemistry 286, 38275-38285.
Jankowitsch, F., et al., 2011. A Novel N,N-8-Amino-8-demethyl-D-riboflavin Dimethyltransferase (RosA) Catalyzing the Two Terminal Steps of Roseoflavin Biosynthesis in Streptomyces davawensis. Journal of Biological Chemistry, 286(44), p 38275-38285.
F. Jankowitsch, et al., “A Novel N,N-8-Amino-8-demethyl-D-riboflavin Dimethyltransferase (RosA) Catalyzing the Two Terminal Steps of Roseoflavin Biosynthesis in Streptomyces davawensis”, Journal of Biological Chemistry, vol. 286, 2011, pp. 38275-38285.
Jankowitsch, F., Kuehm, C., Kellner, R., Kalinowski, J., Pelzer, S., Macheroux, P., Mack, M.: A Novel N,N-8-Amino-8-demethyl-D-riboflavin Dimethyltransferase (RosA) Catalyzing the Two Terminal Steps of Roseoflavin Biosynthesis in Streptomyces davawensis. Journal of Biological Chemistry. 286, 38275-38285 (2011).
Jankowitsch, Frank, Kuehm, Christian, Kellner, Roland, Kalinowski, Jörn, Pelzer, Stefan, Macheroux, Peter, and Mack, Matthias. “A Novel N,N-8-Amino-8-demethyl-D-riboflavin Dimethyltransferase (RosA) Catalyzing the Two Terminal Steps of Roseoflavin Biosynthesis in Streptomyces davawensis”. Journal of Biological Chemistry 286.44 (2011): 38275-38285.

9 Zitationen in Europe PMC

Daten bereitgestellt von Europe PubMed Central.

Taxonomic analyses of members of the Streptomyces cinnabarinus cluster, description of Streptomyces cinnabarigriseus sp. nov. and Streptomyces davaonensis sp. nov.
Landwehr W, Kämpfer P, Glaeser SP, Rückert C, Kalinowski J, Blom J, Goesmann A, Mack M, Schumann P, Atasayar E, Hahnke RL, Rohde M, Martin K, Stadler M, Wink J., Int J Syst Evol Microbiol 68(1), 2018
PMID: 29227220
The Crystal Structure of RosB: Insights into the Reaction Mechanism of the First Member of a Family of Flavodoxin-like Enzymes.
Konjik V, Brünle S, Demmer U, Vanselow A, Sandhoff R, Ermler U, Mack M., Angew Chem Int Ed Engl 56(4), 2017
PMID: 27981706
Identification of the Key Enzyme of Roseoflavin Biosynthesis.
Schwarz J, Konjik V, Jankowitsch F, Sandhoff R, Mack M., Angew Chem Int Ed Engl 55(20), 2016
PMID: 27062037
Flavoproteins are potential targets for the antibiotic roseoflavin in Escherichia coli.
Langer S, Hashimoto M, Hobl B, Mathes T, Mack M., J Bacteriol 195(18), 2013
PMID: 23836860
A highly specialized flavin mononucleotide riboswitch responds differently to similar ligands and confers roseoflavin resistance to Streptomyces davawensis.
Pedrolli DB, Matern A, Wang J, Ester M, Siedler K, Breaker R, Mack M., Nucleic Acids Res 40(17), 2012
PMID: 22740651
Genome sequence of the bacterium Streptomyces davawensis JCM 4913 and heterologous production of the unique antibiotic roseoflavin.
Jankowitsch F, Schwarz J, Rückert C, Gust B, Szczepanowski R, Blom J, Pelzer S, Kalinowski J, Mack M., J Bacteriol 194(24), 2012
PMID: 23043000

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