The activity was found by taking the units/ml of enzyme and dividing it by the mg protein/ml of enzyme. The activity was found in an spectrophometric rate determination assay. The result found that one unit of enzyme will oxidize 1.0 micro mole of formaldehyde to formic acid per minute at pH 7.5 at 37°C.
F1879
Formaldehyde Dehydrogenase from Pseudomonas sp.
lyophilized powder, 1.0-6.0 units/mg solid
Synonym(s):
FDH, Formaldehyde:NAD+ oxidoreductase
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All Photos(3)
About This Item
CAS Number:
MDL number:
UNSPSC Code:
12352204
Recommended Products
form
lyophilized powder
specific activity
1.0-6.0 units/mg solid
storage temp.
−20°C
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General description
Formaldehyde Dehydrogenase (FDH) belongs to the medium-chain alcohol dehydrogenase family.[1] It is encoded by the fdhA and fdhB gene in Pseudomonas aeruginosa.[2] The FDH sequences of P. aeruginosa and P. putida are conserved and show homology.[1] FDH exists as dimer and tetramer with zinc in their catalytic active site. The monomer corresponds to 350-400 amino-acid residues.[3]
Application
Formaldehyde Dehydrogenase from Pseudomonas sp. has been used:
- For standard curve generation for the demethylation-FDH assay of lysine specific demethylase 1 (LSD1)[4] and in formaldehyde dehydrogenase (FDH) assay.[5]
- As a biosensor for the presence of formaldehyde in pharmaceuticals, waste water, vaccines and industrial products.[6]
- In coupled pectin methyl esterase (PME) enzyme assay.[6]
Biochem/physiol Actions
Formaldehyde dehydrogenase (FDH) is an enzyme that catalyzes the oxidation of formaldehyde to formate with NAD+ as an electron acceptor.[1]Formaldehyde dehydrogenases are involved in the biological detoxification of formaldehyde, a toxic product in the metabolism of compounds like histidine, vanillate etc. They detoxify by converting formaldehyde to carbon-di-oxide.[2] FDH plays a crucial role in regulating protein S-nitrosation in mammalian cells by decomposing S-nitrosoglutathione.[7] They are also involved in the regulation of nitrosothiol homeostasis by catalyzing the reduction of endogenous nitrosylating agent S-nitrosoglutathione (GSNO).[8]
Unit Definition
One unit will oxidize 1.0 μmole of formaldehyde to formic acid per min at pH 7.5 at 37 °C.
Physical form
Lyophilized powder containing ~70% stabilizers as Mg2+, Ca2+, bovine serum albumin, glycine, and lysine
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Formaldehyde dehydrogenase: beyond phase I metabolism
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Metabolism is predicted to generate formaldehyde, a toxic, simple, reactive aldehyde that can damage DNA. Here we report a synthetic lethal interaction in avian cells between ADH5, encoding the main formaldehyde-detoxifying enzyme, and the Fanconi anemia (FA) DNA-repair pathway. These
Redundancy of enzymes for formaldehyde detoxification in Pseudomonas putida
Roca A, et al.
Journal of Bacteriology, 191(10), 3367-3374 (2009)
Structure of formaldehyde dehydrogenase from Pseudomonas aeruginosa: the binary complex with the cofactor NAD+
Liao Y, et al.
Acta Crystallographica Section F, Structural Biology and Crystallization Communications, 69(Pt 9), 967-972 (2013)
Enzymological aspects of caffeine demethylation and formaldehyde oxidation by Pseudomonas putida C1.
W Hohnloser et al.
Hoppe-Seyler's Zeitschrift fur physiologische Chemie, 361(12), 1763-1766 (1980-12-01)
1) The enzymatic demethylation of caffeine (1,3,7-trimethylxanthine) by Pseudomonas putida C1 was investigated; an inducible enzyme system has been observed. This enzyme shows an optimum pH of about 6.0, and the optimum temperature is in the range of 22-24 degrees
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