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Key Documents

P0065

Sigma-Aldrich

Phospholipase D from Streptomyces chromofuscus

≥50,000 units/mL, buffered aqueous glycerol solution

Synonym(s):

Lecithinase D, Phosphatidylcholine phosphatidohydrolase

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About This Item

CAS Number:
Enzyme Commission number:
EC Number:
MDL number:
UNSPSC Code:
41106300
NACRES:
NA.77

form

buffered aqueous glycerol solution

Quality Level

specific activity

≥50,000 units/mL

mol wt

~60 kDa

shipped in

dry ice

storage temp.

−70°C

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General description

Phospholipase D (phosphatidylcholine cholinehydrolase, EC 3.1.4.4) is a ubiquitous enzyme with a molecular weight of ~ 50,000Da. It is expressed in a variety of plant tissues, few microorganisms and some mammalian tissues.

Application

Phospholipase D from Streptomyces chromofuscus has been used to cleave choline-containing phospholipids (PCs).

Biochem/physiol Actions

Phospholipase D (PLD) catalyses the hydrolysis of phosphatidylcholines (PC) to yield phosphatidic acid (PA) and choline. PC-PLD activity is regulated by hormones, cytokines, neurotransmitters and growth factors. Thus, it is considered to have a role in signal transduction in various cell types. Three vital lipid messengers produced by PLD plays a vital role in various crucial cellular processes and these lipids also have an essential role in downstream triglyceride and phospholipid synthetic pathway. PLD is essential for exocytosis in neurons and endocrine cells. In addition, it also plays a key role in phagocytosis.
Phospholipase D is active on sphingomyelins and lysophospholipids. Phospholipase D hydrolyzes the phosphate bonds of phospholipids and sphingomyelin to give the corresponding phosphatidic acid.

Unit Definition

One unit will release 1 μmol of choline from L-α-phosphatidylcholine per hour at pH 8.0 and 30 °C.

Physical form

Solution in 100 mM Tris/HCl, pH 8.0, 10% glycerol (v/v), and 0.1% Triton X-100 (w/v).

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Resp. Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

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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Phospholipase D: a downstream effector of ARF in granulocytes.
Cockcroft S
Science, 263(5146), 523-526 (1994)
Lecithin: a by-product of biodiesel production and a source of choline for dairy cows
Italian Journal of Animal Science, 11:2 (2012)
Dynamics and function of phospholipase D and phosphatidic acid during phagocytosis.
Traffic, 7(3), 365-377 (2006)
Phospholipase D: enzymology, mechanisms of regulation, and function.
Exton JH
Physiological Reviews, 77(2), 303-320 (1997)
Purification of Streptomyces chromofuscus phospholipase D by hydrophobic affinity chromatography on palmitoyl cellulose.
Imamura S and Horiuti Y
Journal of Biochemistry, 85(1), 79-95 (1979)

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