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Glucose-6-phosphate Dehydrogenase from baker's yeast (S. cerevisiae)

Type XV, lyophilized powder, 200-400 units/mg protein (modified Warburg-Christian)

Zwischenferment, G-6-P-DH
CAS Number:
Enzyme Commission number:
EC Number:
MDL number:

Quality Level


Type XV


lyophilized powder

specific activity

200-400 units/mg protein (modified Warburg-Christian)

mol wt

128 kDa

purified by



diagnostic assay manufacturing

shipped in

dry ice

storage temp.


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General description

Glucose 6-phosphate dehydrogenase (G-6-P-DH) is a key regulatory enzyme in the first step of the pentose phosphate pathway. G-6-P-DH is a glycoprotein with a molecular mass of 128 kDa (gel filtration).


Glucose-6-phosphate dehydrogenase is used to test ketose reductase activity in developing maize endosperm.


1000 units in glass bottle
2000, 5000 units in poly bottle

Biochem/physiol Actions

Glucose-6-phosphate dehydrogenase catalyzes the conversion of glucose-6-phosphate to 6-phosphogluconolacetone as the first step in the pentose phosphate pathway<<<17>>>.
Glucose-6-phosphate dehydrogenase catalyzes the conversion of glucose-6-phosphate to 6-phosphogluconolacetone as the first step in the pentose phosphate pathway.

Unit Definition

One unit will oxidize 1.0 μmole of D-glucose 6-phosphate to 6-phospho-D-gluconate per min in the presence of NADP at pH 7.4 at 25 °C.

Physical form

Lyophilized and essentially sulfate-free; contains approx. 20% sodium citrate based on dry weight

Preparation Note

Prepared from G7877


Health hazard

Signal Word


Hazard Statements

Hazard Classifications

Resp. Sens. 1

Storage Class Code

11 - Combustible Solids



Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. What are the Km values for Product G6378, Glucose-6-phosphate Dehydrogenase?

    The Km values for glucose 6-phosphate and NADP are 2.0 x 10-5 and 2.0 x 10-6 , respectively in Tris buffer, pH 8.0 containing 10 mm magnesium chloride at 38°C.

  6. What does Type XV mean in the description of Product G6378, Glucose-6-phosphate Dehydrogenase?

    The type designation Type XV is a Sigma in-house designation and does not represent any kind of biochemical significance. It simply refers to the order of addition of the product to the catalog (i.e., first there was a type I, then a type II, etc.).

  7. What is the activity and protein content of the lot number of Product G6378, Glucose-6-phosphate Dehydrogenase, I have?

    The protein content and the specific activity of the enzyme can be found on the lot-specific certificate of analysis.

  8. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Yong Yang et al.
Frontiers in microbiology, 9, 1428-1428 (2018-07-20)
Mycobacteria spontaneously form surface-associated multicellular communities, called biofilms, which display resistance to a wide range of exogenous stresses. A causal relationship between biofilm formation and emergence of stress resistance is not known. Here, we report that activation of a nitrogen
K E Reilly et al.
Biochemical and biophysical research communications, 216(3), 993-998 (1995-11-22)
A commercial preparation of glucose-6-phosphate dehydrogenase (G6PD) purified from Saccharomyces cerevisiae was subjected to PAGE analysis under both nondenaturing and denaturing conditions. The enzyme, identified by both activity staining and anti-yeast G6PD antibody immunoblotting, was shown to contain carbohydrate using
D C Doehlert
Plant physiology, 84(3), 830-834 (1987-07-01)
Ketose reductase (NAD-dependent polyol dehydrogenase EC activity, which catalyzes the NADH-dependent reduction of fructose to sorbitol (d-glucitol), was detected in developing maize (Zea mays L.) endosperm, purified 104-fold from this tissue, and partially characterized. Product analysis by high performance
P Andrews
The Biochemical journal, 96(3), 595-606 (1965-09-01)
1. Correlation between elution volume, V(e), and molecular weight was investigated for gel filtration of proteins of molecular weights ranging from 3500 (glucagon) to 820000 (alpha-crystallin) on Sephadex G-200 columns at pH7.5. 2. Allowing for uncertainties in the molecular weights


Enzymatic Assay of Phosphoglucomutase (EC

This procedure may be used for all Phosphoglucomutase products except for Phosphoglucomutase, Catalog Number P4109.

Enzymatic Assay of Glucose-6-Phosphate Dehydrogenase (EC

Enzymatic Assay of Glucose-6-Phosphate Dehydrogenase (EC

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