P0065
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
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form
buffered aqueous glycerol solution
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).
signalword
Danger
hcodes
pcodes
Hazard Classifications
Resp. Sens. 1
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
ppe
Eyeshields, Gloves, type N95 (US)
Certificates of Analysis (COA)
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Imamura S and Horiuti Y
Journal of Biochemistry, 85(1), 79-95 (1979)
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