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Merck
CN

3HBDB-RO

Roche

3-Hydroxybutyrate Dehydrogenase (3-HBDH)

suspension, ~3 units/mg protein (At 25 °C with 3-hydroxybutyrate as the substrate; standardized with BSA.), grade II

Synonym(s):

3-Hydroxybutyrate Dehydrogenase (3-HBDH), 3-HBDH

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About This Item

UNSPSC Code:
12352204
EC Number:
1.1.1.30 (BRENDA, IUBMB)
NACRES:
NA.54

Key Documents

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Product Name

3-Hydroxybutyrate Dehydrogenase (3-HBDH), suspension, ~3 units/mg protein (At 25 °C with 3-hydroxybutyrate as the substrate; standardized with BSA.), grade II

concentration

5 mg/mL

form

suspension

specific activity

~3 units/mg protein (At 25 °C with 3-hydroxybutyrate as the substrate; standardized with BSA.)

packaging

vial of 2 mL (10127833001)
vial of 5 mL (10127841001)

manufacturer/tradename

Roche

impurities

<0.1% LDH
<5% MDH

optimum pH

6.2-6.9(for reduction)
7-9(for oxidation)

shipped in

wet ice

storage temp.

2-8°C

Quality Level

100

Related Categories

Analysis Note

Contaminants: <0.1% LDH, <5% MDH

Application

3-Hydroxybutyrate Dehydrogenase (3-HBDH) oxidizes selectively (R)-3-hydroxymonocarboxylic acids, or reverse reaction.

Biochem/physiol Actions

3-Hydroxybutyrate dehydrogenase (3-HBDH), a mitochondrial enzyme, catalyzes the reversible oxidation of 3-hydroxybutyrate (3HB) to acetoacetate, with NAD as coenzyme. In mammals, acetyl-coA is metabolized, in one of two pathways, to produce acetoacetate and D-3-hydroxybutyrate, which along with acetone are known as ketone bodies. 3-HBDH reversibly reduces this free acetoacetate to D-3-­hydroxybutyrate. In patients with diabetic ketoacidosis (DKA), the ratio of 3HB and acetoacetate can be as high as 10:1, as compared to the normal ratio of 1:1. 3-HBDH enzyme can be used to detect the quantity of 3HB in urine, serum, and blood samples.

General description

3-Hydroxybutyrate dehydrogenase (3-HBDH) enzyme, obtained from Rhodobacter sphaeroides, is generally used for the quantification of ketone bodies, such as D-3-hydroxybutyrate and acetoacetate.

Other Notes

For life science research only. Not for use in diagnostic procedures.

Physical form

Suspension in 3.2 M ammonium sulfate solution, pH approximately 6

Preparation Note

Stabilizers: NADH, Ca2+

Storage Class

12 - Non Combustible Liquids

wgk

WGK 1

flash_point_f

No data available

flash_point_c

No data available

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
64483524
64483523
64483521
64483520
51751527

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Yoshitaka Nakajima et al.
Acta crystallographica. Section F, Structural biology and crystallization communications, 61(Pt 1), 36-38 (2006-03-02)
A recombinant form of D-3-hydroxybutyrate dehydrogenase (EC 1.1.1.30) from Pseudomonas fragi has been crystallized by the hanging-drop method using PEG 3000 as a precipitating agent. The crystals belong to the orthorhombic group P2(1)2(1)2, with unit-cell parameters a = 64.3, b
E B Worrall et al.
The Biochemical journal, 241(1), 297-300 (1987-01-01)
The enzymic determination of D-3-hydroxybutyrate and acetoacetate normally involves the use of 3-hydroxybutyrate dehydrogenase (HBDH, EC 1.1.1.30) of bacterial origin. We show that HBDH from Rhodopseudomonas spheroides (BCL, grade II) contains a 3-hydroxyisobutyrate dehydrogenase (HIBDH) activity: activity with 3-hydroxyisobutyrate as
Fahimeh Khorsand et al.
IET nanobiotechnology, 7(1), 1-6 (2013-05-28)
Precise detection of 3-hydroxybutyrate (HB) in biological samples is of great importance for management of diabetic patients. In this study, an HB biosensor based on single-walled carbon nanotubes (SWCNTs)-modified screen-printed electrode (SPE) was developed to determine the concentration of HB

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