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P4798

Sigma-Aldrich

L-Phenylalanine Dehydrogenase from Sporosarcina sp.

lyophilized powder, ≥6 units/mg solid

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About This Item

CAS Number:
Enzyme Commission number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54

biological source

bacterial (Sporosarcina sp.)

Quality Level

form

lyophilized powder

specific activity

≥6 units/mg solid

storage condition

dry at room temperature

concentration

≤100%

color

white to light brown

application(s)

life science and biopharma

storage temp.

−20°C

General description

Research area: CELL SIGNALING

Phenylalanine dehydrogenase is a member of a large family of amino-acid dehydrogenases, which includes glutamate dehydrogenase, alanine dehydrogenase, leucine dehydrogenase, lysine €-dehydrogenase, and meso-a,€-diaminopimelate D-dehydrogenase. The three known gene sequences are octomers. It has a two-domain, three-dimensional structure.

Biochem/physiol Actions

Phenylalanine dehydrogenase (PheDH) is considered an effective enzyme to estimate the quantity of phenylalanine to distinguish phenylketonuria (PKU) disease.Moreover, it is utilized for the production of optically pure l-phenylalanine, a key component of the artificial sweetener aspartame. L-Phenylalanine dehydrogenase is a NAD+-dependent oxidoreductase that catalyzes the reversible, oxidative deamination of L-phenylalanine, which results in its degradation. L-Phenylalanine dehydrogenase is used to study phenylalanine metabolism and phenylalanine, tyrosine, and tryptophan biosynthesis.

Unit Definition

One unit will oxidize 1.0 μmole of L-phenylalanine per min at pH 10.5 at 30 °C in the presence of β-NAD.

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Resp. Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Increase of Bacillus badius Phenylalanine dehydrogenase specificity towards phenylalanine substrate by site-directed mutagenesis
Yousefi F, et al.
Archives of Biochemistry and Biophysics, 635, 44-51 (2017)
N M Brunhuber et al.
Biochemistry, 39(31), 9174-9187 (2000-08-05)
Phenylalanine dehydrogenase catalyzes the reversible, pyridine nucleotide-dependent oxidative deamination of L-phenylalanine to form phenylpyruvate and ammonia. We have characterized the steady-state kinetic behavior of the enzyme from Rhodococcus sp. M4 and determined the X-ray crystal structures of the recombinant enzyme
Enzymatic phenylalanine estimation for the management of patients with phenylketonuria.
U Wendel et al.
Clinica chimica acta; international journal of clinical chemistry, 201(1-2), 95-98 (1991-09-14)
Y Asano et al.
The Journal of biological chemistry, 262(21), 10346-10354 (1987-07-25)
NAD+-dependent phenylalanine dehydrogenases were purified 1,500- and 1,600-fold, and crystallized from Sporosarcina ureae SCRC-R04 and Bacillus sphaericus SCRC-R79a, respectively. The purified enzymes were homogeneous as judged by disc gel electrophoresis. The enzyme from S. ureae has a molecular weight of
N M Brunhuber et al.
The Journal of biological chemistry, 269(23), 16203-16211 (1994-06-10)
L-Phenylalanine dehydrogenase catalyzes the NAD(+)-dependent, reversible, oxidative deamination of L-phenylalanine to form ammonia, phenyl pyruvate, and NADH. The enzyme has been purified to homogeneity from Rhodococcus sp. M4, and a partial amino acid sequence was obtained. A cosmid library of

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