300 Units at 25oC; ~ 600 Units at 37oC
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300 Units at 25oC;
~ 600 Units at 37oC
|Formulation:||In 3.2 M ammonium sulphate|
|Stability:||Minimum 1 year at 4oC. Check vial for details.|
|EC Number:||EC 18.104.22.168 (transferred to EC 22.214.171.124)|
|Synonyms:||formate dehydrogenase; formate:NAD+ oxidoreductase|
|Concentration:||Supplied at ~ 75 U/mL|
|Expression:||Recombinant from Candida boidinii|
Catalyses the reaction:
Formate + NAD+ = CO2 + NADH
|Specific Activity:||~ 1 U/mg (25oC, pH 7.6 on formic acid)|
|Unit Definition:||One Unit of formate dehydrogenase is defined as the amount of enzyme required to convert one µmole of formic acid to NADH + CO2 per minute in the presence of NAD+ in potassium phosphate buffer (41 mM), pH 7.6 at 25oC.|
|Application examples:||Applications for the measurement of formate in the food, fermentation, wine, beverage and dairy industries.|
High purity recombinant Formate dehydrogenase (Candida boidinii) for use in research, biochemical enzyme assays and in vitro diagnostic analysis.
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(Escherichia coli) E-HKGDH - Hexokinase/Glucose-6-phosphate dehydrogenase E-HBDH - 3-Hydroxybutyrate dehydrogenase (prokaryote) E-INDHBS - myo-Inositol dehydrogenase (Bacillus subtilis) E-ICDHBS - Isocitrate dehydrogenase (Bacillus subtilis) E-DLDHLM - D-Lactate dehydrogenase
(Leuconostoc mesenteroides) E-LLDHP - L-Lactate dehydrogenase (Porcine) E-LMDHEC - L-Malate dehydrogenase (Escherichia coli) E-MNHPF - Mannitol dehydrogenase
(Pseudomona fluorescens) E-PGDHEC - 6-Phosphogluconate dehydrogenase
(Escherichia coli) E-XYLMUT - Xylose dehydrogenase + Xylose mutarotase
Synthesis of α-hydroxy ketones and vicinal (R, R)-diols by Bacillus clausii DSM 8716T butanediol dehydrogenase.
Muschallik, L., Molinnus, D., Jablonski, M., Kipp, C. R., Bongaerts, J., Pohl, M., Wagner, T., Schonong, M. J. Selmer, T. & Siegert, P. (2020). RSC Advances, 10(21), 12206-12216.
α-hydroxy ketones (HK) and 1,2-diols are important building blocks for fine chemical synthesis. Here, we describe the R-selective 2,3-butanediol dehydrogenase from B. clausii DSM 8716T (BcBDH) that belongs to the metal-dependent medium chain dehydrogenases/reductases family (MDR) and catalyzes the selective asymmetric reduction of prochiral 1,2-diketones to the corresponding HK and, in some cases, the reduction of the same to the corresponding 1,2-diols. Aliphatic diketones, like 2,3-pentanedione, 2,3-hexanedione, 5-methyl-2,3-hexanedione, 3,4-hexanedione and 2,3-heptanedione are well transformed. In addition, surprisingly alkyl phenyl dicarbonyls, like 2-hydroxy-1-phenylpropan-1-one and phenylglyoxal are accepted, whereas their derivatives with two phenyl groups are not substrates. Supplementation of Mn2+ (1 mM) increases BcBDH's activity in biotransformations. Furthermore, the biocatalytic reduction of 5-methyl-2,3-hexanedione to mainly 5-methyl-3-hydroxy-2-hexanone with only small amounts of 5-methyl-2-hydroxy-3-hexanone within an enzyme membrane reactor is demonstrated.Hide Abstract
Sustainable Recycling of Formic Acid by Bio-Catalytic CO2 Capture and Re-Hydrogenation.
Zhao, Z., Yu, P., Shanbhag, B. K., Holt, P., Zhong, Y. L. & He, L. (2019). C-Journal of Carbon Research, 5(2), 22.
Formic acid (FA) is a promising reservoir for hydrogen storage and distribution. Its dehydrogenation releases CO2 as a by-product, which limits its practical application. A proof of concept for a bio-catalytic system that simultaneously combines the dehydrogenation of formic acid for H2, in-situ capture of CO2 and its re-hydrogenation to reform formic acid is demonstrated. Enzymatic reactions catalyzed by carbonic anhydrase (CA) and formate dehydrogenase (FDH) under ambient condition are applied for in-situ CO2 capture and re-hydrogenation, respectively, to develop a sustainable system. Continuous production of FA from stripped CO2 was achieved at a rate of 40% using FDH combined with sustainable co-factor regeneration achieved by electrochemistry. In this study, the complete cycle of FA dehydrogenation, CO2 capture, and re-hydrogenation of CO2 to FA has been demonstrated in a single system. The proposed bio-catalytic system has the potential to reduce emissions of CO2 during H2 production from FA by effectively using it to recycle FA for continuous energy supply.Hide Abstract
Muschallik, L., Molinnus, D., Bongaerts, J., Pohl, M., Wagner, T., Schöning, M. J., Siegert, P. & Selmer, T. (2017). Journal of Biotechnology, 258, 41-50.
The gene encoding a putative (R,R)-butane-2,3-diol dehydrogenase (bdhA) from Bacillus clausii DSM 8716T was isolated, sequenced and expressed in Escherichia coli. The amino acid sequence of the encoded protein is only distantly related to previously studied enzymes (identity 33-43%) and exhibited some uncharted peculiarities. An N-terminally StrepII-tagged enzyme variant was purified and initially characterized. The isolated enzyme catalyzed the (R)-specific oxidation of (R, R)- and meso-butane-2,3-diol to (R)- and (S)-acetoin with specific activities of 12 U/mg and 23 U/mg, respectively. Likewise, racemic acetoin was reduced with a specific activity of up to 115 U/mg yielding a mixture of (R,R)- and meso-butane-2,3-diol, while the enzyme reduced butane-2,3-dione (Vmax 74 U/mg) solely to (R,R)-butane-2,3-diol via (R)-acetoin. For these reactions only activity with the co-substrates NADH/NAD+ was observed. The enzyme accepted a selection of vicinal diketones, α-hydroxy ketones and vicinal diols as alternative substrates. Although the physiological function of the enzyme in B. clausii remains elusive, the data presented herein clearly demonstrates that the encoded enzyme is a genuine (R,R)-butane-2,3-diol dehydrogenase with potential for applications in biocatalysis and sensor development.Hide Abstract