AK2 Human; Adenylate Kinase 2 Human Recombinant; ADK2; AK-2; Adenylate kinase isoenzyme 2 mitochondrial; ATP-AMP transphosphorylase 2; adenylate kinase 2

For Research Use Only. Not for use in diagnostic procedures.

E Coli

Greater than 95.0% as determined by SDS-PAGE.

AK2 solution containing 20mM Tris pH-7.5, 5mM DTT and 20% glycerol.
Sterile filtered colorless solution.

AK2 Human Recombinant although stable at 4 degree C for 1 week, should be stored below -18 degree C. Please prevent freeze thaw cycles.

Small volumes of AK2 recombinant protein vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

Description: AK2 Human Recombinant produced in E Coli is a single, non-glycosylated, polypeptide chain containing 259 amino acids and having a molecular mass of 28.6 kDa. AK2 is fused to 20 a.a. His-Tag at N-terminus and purified by proprietary chromatographic techniques.

Introduction: Adenylate kinases play a role in regulating the adenine nucleotide composition within a cell by catalyzing the reversible transfer of phosphate groups among adenine nucleotides. There are 3 types of adenylate kinase isozymes, AK1, AK2, and AK3 in vertebrates. Expression of these isozymes are tissue-specific and developmentally regulated. AK2 is localized in the mitochondrial intermembrane space and is involved in apoptosis. AK2 is mutated in individuals with reticular dysgenesis.

PROTEIN KINASES; Enzymes; Adenylate Kinase

21,636 Da

adenylate kinase 2

adenylate kinase 2, mitochondrial; AK 2; AK2; ATP-AMP transphosphorylase 2; ATP:AMP phosphotransferase; adenylate kinase isoenzyme 2, mitochondrial; adenylate monophosphate kinase

Adenylate kinase 2, mitochondrial

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KAD2_HUMAN

Adenylate kinases are involved in regulating the adenine nucleotide composition within a cell by catalyzing the reversible transfer of phosphate groups among adenine nucleotides. Three isozymes of adenylate kinase, namely 1, 2, and 3, have been identified in vertebrates; this gene encodes isozyme 2. Expression of these isozymes is tissue-specific and developmentally regulated. Isozyme 2 is localized in the mitochondrial intermembrane space and may play a role in apoptosis. Mutations in this gene are the cause of reticular dysgenesis. Alternate splicing results in multiple transcript variants. Pseudogenes of this gene are found on chromosomes 1 and 2.[provided by RefSeq, Nov 2010]

AK2: Catalyzes the reversible transfer of the terminal phosphate group between ATP and AMP. This small ubiquitous enzyme involved in energy metabolism and nucleotide synthesis that is essential for maintenance and cell growth. Plays a key role in hematopoiesis. Defects in AK2 are the cause of reticular dysgenesis (RDYS); also known as aleukocytosis. RDYS is the most severe form of inborn severe combined immunodeficiencies (SCID) and is characterized by absence of granulocytes and almost complete deficiency of lymphocytes in peripheral blood, hypoplasia of the thymus and secondary lymphoid organs, and lack of innate and adaptive humoral and cellular immune functions, leading to fatal septicemia within days after birth. In bone marrow of individuals with reticular dysgenesis, myeloid differentiation is blocked at the promyelocytic stage, whereas erythro- and megakaryocytic maturation is generally normal.In addition, affected newborns have bilateral sensorineural deafness. Defects may be due to its absence in leukocytes and inner ear, in which its absence can not be compensated by AK1. Belongs to the adenylate kinase family. AK2 subfamily. 6 isoforms of the human protein are produced by alternative splicing.

Protein type: Nucleotide Metabolism - purine; EC 2.7.4.3; Mitochondrial; Kinase, other

Chromosomal Location of Human Ortholog: 1p34

Cellular Component: mitochondrial inner membrane; mitochondrial intermembrane space; cytosol

Molecular Function: adenylate kinase activity; ATP binding

Biological Process: dATP metabolic process; nucleobase, nucleoside and nucleotide interconversion; nucleobase, nucleoside and nucleotide metabolic process; ADP biosynthetic process; brain development; liver development; AMP metabolic process; oxidative phosphorylation; nucleotide phosphorylation

Disease: Reticular Dysgenesis

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