Evidence map›Paper›PMID 24757503›Full record

ArticleComputational and structural biotechnology journal2014

Cofactor Specificity Engineering of Streptococcus mutans NADH Oxidase 2 for NAD(P)(+) Regeneration in Biocatalytic Oxidations.

Barbara Petschacher, Nicole Staunig, Monika Müller, Martin Schürmann, Daniel Mink, Stefaan De Wildeman, Karl Gruber, Anton Glieder

Open access · goldAbstract read
In one paragraph

Article in Computational and structural biotechnology journal, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
3.3field-weighted citation impact, top 9% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

15 citing papers in PubMed, 67 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 3 institutions in 2 countries.

Barbara PetschacherAustrian Centre of Industrial Biotechnology GmbH, c/o Institute of Molecular Biotechnology, Graz University of Technology, Petersgasse 14, 8010 Graz, Austria.
Nicole StaunigAustrian Centre of Industrial Biotechnology GmbH, c/o Institute of Molecular Biosciences, University Graz, Humboldtstrasse 50/3, 8010 Graz, Austria.
Monika MüllerDSM Innovative Synthesis B.V., P.O. Box 18, 6160 MD Geleen, Netherlands.
Martin SchürmannDSM Innovative Synthesis B.V., P.O. Box 18, 6160 MD Geleen, Netherlands.
Daniel MinkDSM Innovative Synthesis B.V., P.O. Box 18, 6160 MD Geleen, Netherlands.
Stefaan De WildemanDSM Innovative Synthesis B.V., P.O. Box 18, 6160 MD Geleen, Netherlands.
Karl GruberAustrian Centre of Industrial Biotechnology GmbH, c/o Institute of Molecular Biosciences, University Graz, Humboldtstrasse 50/3, 8010 Graz, Austria.
Anton GliederAustrian Centre of Industrial Biotechnology GmbH, c/o Institute of Molecular Biotechnology, Graz University of Technology, Petersgasse 14, 8010 Graz, Austria.
DSM (Netherlands) · NLAustrian Centre of Industrial Biotechnology (Austria) · ATInstitute of Molecular Biotechnology · AT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Soluble water-forming NAD(P)H oxidases constitute a promising NAD(P)(+) regeneration method as they only need oxygen as cosubstrate and produce water as sole byproduct. Moreover, the thermodynamic equilibrium of O2 reduction is a valuable driving force for mostly energetically unfavorable biocatalytic oxidations. Here, we present the generation of an NAD(P)H oxidase with high activity for both cofactors, NADH and NADPH. Starting from the strictly NADH specific water-forming Streptococcus mutans NADH oxidase 2 several rationally designed cofactor binding site mutants were created and kinetic values for NADH and NADPH conversion were determined. Double mutant 193R194H showed comparable high rates and low K m values for NADPH (k cat 20 s(-1), K m 6 µM) and NADH (k cat 25 s(-1), K m 9 µM) with retention of 70% of wild type activity towards NADH. Moreover, by screening of a SeSaM library S. mutans NADH oxidase 2 variants showing predominantly NADPH activity were found, giving further insight into cofactor binding site architecture. Applicability for cofactor regeneration is shown for coupling with alcohol dehydrogenase from Sphyngobium yanoikuyae for 2-heptanone production.

Indexed as

2-heptanol oxidationcoenzyme selectivitycofactor regenerationNADPH oxidaseNADPH recyclingsite-directed mutagenesis

Identifiers

PMID24757503
PMCPMC3995211
OpenAlexW1985987885

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.