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A0262

Sigma-Aldrich

Lithium potassium acetyl phosphate

high-energy phosphate donor

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Synonym(s):
Acetyl phosphate lithium potassium salt
Linear Formula:
CH3COOP(O)(OK)(OLi)
CAS Number:
Molecular Weight:
184.06
Beilstein:
5689718
EC Number:
MDL number:
UNSPSC Code:
12352204
PubChem Substance ID:
NACRES:
NA.32

Quality Level

Assay

≥85% (elemental analysis)

form

powder

mp

>300 °C (lit.)

solubility

water: 25 mg/mL, clear, colorless

storage temp.

−20°C

SMILES string

[Li+].[K+].CC(=O)OP([O-])([O-])=O

InChI

1S/C2H5O5P.K.Li/c1-2(3)7-8(4,5)6;;/h1H3,(H2,4,5,6);;/q;2*+1/p-2

InChI key

RLQMPLKXFIXRCV-UHFFFAOYSA-L

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Application

Lithium potassium acetyl phosphate:
  • has been used as a substrate for CpxR (transcription factor) in x-ray crystallography to soak CpxR receiver domain (CpxRRD) crystals to obtain the phosphorylated form
  • may be used as a phosphate (P) donor in a study to screen a wide range of natural and synthetic organic phosphate donors with several enzymes on various hydroxyl?compounds for the improved enzymatic synthesis of phosphate monoesters
  • has been used to set up premixA for in vitro translation reaction

Biochem/physiol Actions

Lithium potassium acetyl phosphate is commonly used as the source for acetyl phosphate. So acetyl phosphate can be used as a suitable alternative to replace inorganic oligophosphates in phosphatase-catalyzed transphosphorylation to reduce inorganic monophosphate by-product formation.

Pictograms

Health hazardCorrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Repr. 2 - Skin Corr. 1B

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Soma Mukhopadhyay et al.
Bioorganic chemistry, 36(2), 65-69 (2008-02-26)
Acetate kinase, a member of the ASKHA (Acetate and Sugar Kinases, Hsp70, Actin) phosphotransferase superfamily is a central enzyme in prokaryotic carbon and energy metabolism. Recently extensive structural and biochemical studies of acetate kinase and related carboxylate kinases have been
Gábor Tasnádi et al.
Advanced synthesis & catalysis, 360(12), 2394-2401 (2018-10-20)
Undesired product hydrolysis along with large amounts of waste in form of inorganic monophosphate by-product are the main obstacles associated with the use of pyrophosphate in the phosphatase-catalyzed synthesis of phosphate monoesters on large scale. In order to overcome both
Birgit Dreier et al.
Methods in molecular biology (Clifton, N.J.), 687, 283-306 (2010-10-23)
The selection and concomitant affinity maturation of proteins to bind to user-defined target molecules have become a key technology in biochemical research, diagnostics, and therapy. One of the most potent selection technologies for such applications is ribosome display. It works
Juan Andres Imelio et al.
Bio-protocol, 7(16), e2510-e2510 (2017-08-20)
We have developed protocols to generate site-specific variants of the histidine-kinase DesK and its cognate response regulator DesR, conducive to trapping different signaling states of the proteins. Co-expression of both partners in E. coli, ensuring an excess of the regulator
Sebastian R Schmidl et al.
Nature chemical biology, 15(7), 690-698 (2019-05-22)
Two-component systems (TCSs) are the largest family of multi-step signal transduction pathways and valuable sensors for synthetic biology. However, most TCSs remain uncharacterized or difficult to harness for applications. Major challenges are that many TCS output promoters are unknown, subject

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