%0 Journal Article %1 ISI:000074236900001 %A May, O %A Siemann, M %A Pietzsch, M %A Kiess, M %A Mattes, R %A Syldatk, C %C PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS %D 1998 %I ELSEVIER SCIENCE BV %J JOURNAL OF BIOTECHNOLOGY %K EC amidase; aurescens; hydantoinase; myown nomenclature; physiology} purification; {Arthrobacter %N 1 %P 1-13 %R 10.1016/S0168-1656(98)00005-4 %T Substrate-dependent enantioselectivity of a novel hydantoinase from Arthrobacter aurescens DSM 3745: Purification and characterization as new member of cyclic amidases %U https://doi.org/10.1016/S0168-1656(98)00005-4 %V 61 %X A hydantoinase from Arthrobacter aurescens DSM 3745 has been purified to homogeneity with a yield of 77\% using a three-step purification procedure. The active enzyme is a tetramer consisting of four identical subunits, each with a molecular mass of 49670 Da as determined by mass spectrometry. The N-terminal amino acid sequence of the enzyme indicates sequence identities to cyclic amidases involved in the nucleotide metabolism as the D-hydantoinase from Agrobacterium radiobacter (53\%), the D-selective dihydropyrimidinase from Bacillus stearothermophilus (38\%), the allantoinase from Rana catesbeiana (26\%), as well as to the catalytic subunit of the urease from Heliobacter pylori (50\%). However, all studies based on substrate-dependent growth, induction and catalytic behavior documented the novelty of the bacterial hydantoinase and that its physiological role is not related to any of these enzymes or known metabolic pathways. Its substrate specificity differs from hydantoinases listed in Enzyme Nomenclature and is rather more predominant for the cleavage of aryl-than for alkyl-hydantoin, derivatives. It is shown that the stereoselectivity of this enzyme depends on the substrate used for bioconversion: although it is strictly L-selective for the cleavage of D,L-5-indolylmethylhydantoin, it appears to be D-selective for the hydrolysis of D,L-methylthioethylhydantoin. Due to these findings we conclude that this novel bacterial hydantoinase should be classified as a new member of the EC-group 3.5.2 of cyclic amidases. (C) 1998 Elsevier Science B.V. All rights reserved.

@article{ISI:000074236900001, abstract = {{A hydantoinase from Arthrobacter aurescens DSM 3745 has been purified to homogeneity with a yield of 77\% using a three-step purification procedure. The active enzyme is a tetramer consisting of four identical subunits, each with a molecular mass of 49670 Da as determined by mass spectrometry. The N-terminal amino acid sequence of the enzyme indicates sequence identities to cyclic amidases involved in the nucleotide metabolism as the D-hydantoinase from Agrobacterium radiobacter (53\%), the D-selective dihydropyrimidinase from Bacillus stearothermophilus (38\%), the allantoinase from Rana catesbeiana (26\%), as well as to the catalytic subunit of the urease from Heliobacter pylori (50\%). However, all studies based on substrate-dependent growth, induction and catalytic behavior documented the novelty of the bacterial hydantoinase and that its physiological role is not related to any of these enzymes or known metabolic pathways. Its substrate specificity differs from hydantoinases listed in Enzyme Nomenclature and is rather more predominant for the cleavage of aryl-than for alkyl-hydantoin, derivatives. It is shown that the stereoselectivity of this enzyme depends on the substrate used for bioconversion: although it is strictly L-selective for the cleavage of D,L-5-indolylmethylhydantoin, it appears to be D-selective for the hydrolysis of D,L-methylthioethylhydantoin. Due to these findings we conclude that this novel bacterial hydantoinase should be classified as a new member of the EC-group 3.5.2 of cyclic amidases. (C) 1998 Elsevier Science B.V. All rights reserved.}}, added-at = {2018-01-25T13:38:08.000+0100}, address = {{PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS}}, affiliation = {{Siemann, M (Reprint Author), Univ Stuttgart, Inst Bioverfahrenstech, Allmandring 31, D-70569 Stuttgart, Germany. Univ Stuttgart, Inst Bioverfahrenstech, D-70569 Stuttgart, Germany. Gesell Biotechnol Forsch GmbH, D-38124 Braunschweig, Germany. Univ Stuttgart, Inst Ind Genet, D-70569 Stuttgart, Germany.}}, author = {May, O and Siemann, M and Pietzsch, M and Kiess, M and Mattes, R and Syldatk, C}, author-email = {{siemann@ivbt.uni-stuttgart.de}}, biburl = {https://puma.ub.uni-stuttgart.de/bibtex/2d355360f997642eac09a710c9c2af606/siemannherzberg}, da = {{2018-01-25}}, doc-delivery-number = {{ZU807}}, doi = {{10.1016/S0168-1656(98)00005-4}}, interhash = {d8ddc2dd89797154fed8e1da611617fa}, intrahash = {d355360f997642eac09a710c9c2af606}, issn = {{0168-1656}}, journal = {{JOURNAL OF BIOTECHNOLOGY}}, journal-iso = {{J. Biotechnol.}}, keywords = {EC amidase; aurescens; hydantoinase; myown nomenclature; physiology} purification; {Arthrobacter}, keywords-plus = {{L-AMINO-ACIDS; BACILLUS-STEAROTHERMOPHILUS NS1122A; AMIDOHYDROLASE; ENZYME; DIHYDROPYRIMIDINASE; DERIVATIVES; EXPRESSION; CLEAVAGE; CLONING; LIVER}}, language = {{English}}, month = {{MAR 26}}, number = {{1}}, number-of-cited-references = {{34}}, orcid-numbers = {{Pietzsch, Markus/0000-0001-6266-9621}}, pages = {{1-13}}, publisher = {{ELSEVIER SCIENCE BV}}, research-areas = {{Biotechnology \& Applied Microbiology}}, researcherid-numbers = {{Pietzsch, Markus/E-2026-2017}}, times-cited = {{46}}, timestamp = {2018-01-25T12:38:18.000+0100}, title = {{Substrate-dependent enantioselectivity of a novel hydantoinase from Arthrobacter aurescens DSM 3745: Purification and characterization as new member of cyclic amidases}}, type = {{Article}}, unique-id = {{ISI:000074236900001}}, url = {https://doi.org/10.1016/S0168-1656(98)00005-4}, usage-count-last-180-days = {{0}}, usage-count-since-2013 = {{1}}, volume = {{61}}, web-of-science-categories = {{Biotechnology \& Applied Microbiology}}, year = {{1998}} }