I5907
Pyrophosphatase, Inorganic from Escherichia coli
recombinant, expressed in E. coli, lyophilized powder, ≥90%, ≥800 units/mg protein
Synonym(s):
Inorganic Pyrophosphatase, Pyrophosphate phosphohydrolase
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About This Item
Recommended Products
recombinant
expressed in E. coli
Quality Level
Assay
≥90%
form
lyophilized powder
specific activity
≥800 units/mg protein
mol wt
hexamer subunit mol wt 20 kDa
storage temp.
−20°C
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General description
Pyrophosphatase from E coli (E-PPase) has a broader pH optimum and contains four divalent cations per subunit. It comprises 175 amino acids with additional aspartate residue in the active site cavity. Structurally E-PPase is a homohexamer with six identical 20 kDa subunits. Magnesium is a cofactor for E-PPase.
Application
Inorganic pyrophosphatase (PPase) is a ubiquitous enzyme catalyzing the reaction PPi + H2O → 2Pi.
It plays an important role in protein, RNA, and DNA synthesis.
It plays an important role in protein, RNA, and DNA synthesis.
Pyrophosphatase, Inorganic from Escherichia coli has been used as a component of transcription buffer.
Pyrophosphatase, inorganic from Escherichia coli has been used in assay for conjugation of ubiquitin and ubiquitin-like proteins. It has been used for one-pot three-enzyme system for synthesis of Lewis x and sialyl Lewis x antigens.
Biochem/physiol Actions
Pyrophosphatase from E coli (E-PPase) is an essential enzyme in yeast and bacteria The active site residues are crucial for binding to magnesium.
Other Notes
A homohexameric protein containing 175 amino acid residues per subunit, its activity is Mg2+ dependent. It is a relatively thermostable protein.
Unit Definition
One unit will release 1.0 μmole of inorganic orthophosphate per minute at pH 9 at 25 °C.
Physical form
Lyophilized powder in Tris-buffered salts containing protease inhibitors
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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Ngoc Truongvan et al.
Nature communications, 13(1), 4789-4789 (2022-08-16)
The covalent modification of target proteins with ubiquitin or ubiquitin-like modifiers is initiated by E1 activating enzymes, which typically transfer a single modifier onto cognate conjugating enzymes. UBA6 is an unusual E1 since it activates two highly distinct modifiers, ubiquitin
Christopher E Berndsen et al.
Analytical biochemistry, 418(1), 102-110 (2011-07-21)
Ubiquitination is a widely studied regulatory modification involved in protein degradation, DNA damage repair, and the immune response. Ubiquitin is conjugated to a substrate lysine in an enzymatic cascade involving an E1 ubiquitin-activating enzyme, an E2 ubiquitin-conjugating enzyme, and an
The structure of E. coli soluble inorganic pyrophosphatase at 2.7
Kankare J, et al.
Protein engineering, design & selection : PEDS, 7(7), 823-830 (1994)
Si Min Zhang et al.
Cell chemical biology, 28(12), 1693-1702 (2021-07-01)
Ganciclovir (GCV) is the first-line therapy against human cytomegalovirus (HCMV), a widespread infection that is particularly dangerous for immunodeficient individuals. Closely resembling deoxyguanosine triphosphate, the tri-phosphorylated metabolite of GCV (GCV-TP) is preferentially incorporated by the viral DNA polymerase, thereby terminating
B S Cooperman et al.
Trends in biochemical sciences, 17(7), 262-266 (1992-07-01)
Soluble inorganic pyrophosphatases (PPases) are essential enzymes that are important for controlling the cellular levels of inorganic pyrophosphate (PPi). Although prokaryotic and eukaryotic PPases differ substantially in amino acid sequence, recent evidence now demonstrates clearly that PPases throughout evolution show
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