Abcam, ab109839, Recombinant human ADA protein

Size: 50µg / 250µg
Recombinant human ADA protein is a Human Full Length protein, in the 1 to 363 aa range, expressed in Escherichia coli, with >90%, < 1 EU/mg endotoxin level, suitable for SDS-PAGE, Mass Spec, FuncS.
Key facts
Purity:>90% SDS-PAGE,
Endotoxin level:< 1 EU/mg,
Expression system:Escherichia coli,
Tags:His tag N-Terminus,
Applications:FuncS, SDS-PAGE, Mass SpecSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Biologically active:Yes,
Biological activity:Specific activity is >40 units/mg, and is defined as the amount of enzyme that convert 1.0 umol of adenosine to inosine per minute at pH 7.5 at 25°C.,
Accession:P00813,
Animal free:No,
Carrier free:No,
Species:Human,
Storage buffer:pH: 8Constituents: 20% Glycerol (glycerin, glycerine), 0.32% Tris HCl, 0.02% (R*,R*)-1,4-Dimercaptobutan-2,3-diol

Properties and Storage Information:
Shipped at conditions-Blue Ice, Appropriate short-term storage duration-1-2 weeks, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions--20°C, Aliquoting information-Upon delivery aliquot, Storage information-Avoid freeze / thaw cycle

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
Adenosine deaminase (ADA) sometimes known as deaminase is an enzyme that plays a critical mechanical role in cellular metabolism. This enzyme catalyzes the deamination of adenosine converting it into inosine. ADA is a 41 kDa protein primarily expressed in most tissues including the thymus and spleen. Various ADA assays and ADA protocols exist to study its functionality and quantification often using ADA ELISA kits to measure ADA activity in biological samples. In cell lines such as HeLa ADA expression is also present and significant for studying its regulation and function.
Biological function summary
Adenosine deaminase activity influences purine metabolism playing an important role in the breakdown of adenosine. It is not part of a complex but interacts closely with other components of the purine salvage pathway to maintain nucleotide balance. This enzyme is important for the proper function of immune cells as it prevents toxic accumulations of adenosine which can be detrimental to lymphocyte proliferation and function. ADA's activity ensures the proper management of nucleotides within cells sustaining cellular health and functionality.
Pathways
Adenosine deaminase plays significant roles in the immune and purine catabolism pathways. Within these pathways ADA is closely related to proteins such as purine nucleoside phosphorylase (PNP) which together orchestrate the steps necessary for adenine and guanine nucleotide turnover. These proteins facilitate the conversion processes needed for cellular nucleic acid synthesis and energy regulation. By managing adenosine levels ADA's function ensures the smooth operation of cellular signaling and metabolic balance.
Adenosine deaminase deficiency is linked to severe combined immunodeficiency (SCID) and can also be associated with pulmonary disorders like asthma. A lack of ADA activity leads to the accumulation of toxic metabolites impairing immune function and contributing to the pathogenesis of SCID. In some patients with pulmonary disorders altered ADA activity impacts the inflammatory response. ADA's mechanistic interactions with other proteins such as PNP highlight its importance in maintaining immune competence and metabolic homeostasis emphasizing the enzyme's role in these clinical conditions.