Nucleoside diphosphate kinase A is an
enzyme
Enzymes () are proteins that act as biological catalysts by accelerating chemical reactions. The molecules upon which enzymes may act are called substrates, and the enzyme converts the substrates into different molecules known as products ...
that in humans is encoded by the ''NME1''
gene
In biology, the word gene (from , ; "...Wilhelm Johannsen coined the word gene to describe the Mendelian units of heredity..." meaning ''generation'' or ''birth'' or ''gender'') can have several different meanings. The Mendelian gene is a b ...
.
It is thought to be a
metastasis suppressor.
Function
This gene (NME1) was identified because of its reduced mRNA transcript levels in highly metastatic cells. Nucleoside diphosphate kinase (NDK) exists as a hexamer composed of 'A' (encoded by this gene) and 'B' (encoded by NME2) isoforms. Mutations in this gene have been identified in aggressive neuroblastomas. Two transcript variants encoding different isoforms have been found for this gene. Co-transcription of this gene and the neighboring downstream gene (NME2) generates naturally occurring transcripts (NME1-NME2), which encodes a fusion protein consisting of sequence sharing identity with each individual gene product.
Interactions
NME1 has been shown to
interact
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with:
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Aurora A kinase
Aurora kinase A also known as serine/threonine-protein kinase 6 is an enzyme that in humans is encoded by the ''AURKA'' gene.
Aurora A is a member of a family of mitotic serine/threonine kinases. It is implicated with important processes during ...
,
*
CD29
Integrin beta-1 (ITGB1), also known as CD29, is a cell surface receptor that in humans is encoded by the ''ITGB1'' gene. This integrin associates with integrin alpha 1 and integrin alpha 2 to form integrin complexes which function as collagen r ...
*
NME3,
*
Protein SET,
*
RAR-related orphan receptor alpha,
*
RAR-related orphan receptor beta,
[ and
* TERF1.]
See also
*Nucleoside-diphosphate kinase
Nucleoside-diphosphate kinases (NDPKs, also NDP kinase, (poly)nucleotide kinases and nucleoside diphosphokinases) are enzymes that catalyze the exchange of terminal phosphate between different nucleoside diphosphates (NDP) and triphosphates (NTP) ...
References
Further reading
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{{PDB Gallery, geneid=4830