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ONTOLOGY REPORT - ANNOTATIONS


Term:obsolete negative regulation of molecular function, epigenetic
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Accession:GO:0045857 term browser browse the term
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This term is obsolete. We suggest searching for the text of the ontology term or for a keyword rather than searching for the ontology ID. For more information, please contact us.
Definition:OBSOLETE. Any heritable epigenetic process that stops, prevents, or reduces the frequency, rate or extent of protein function by self-perpetuating conformational conversions of normal proteins in healthy cells. This is distinct from, though mechanistically analogous to, disease states associated with prion propagation and amyloidogenesis. A single protein, if it carries a glutamine/asparagine-rich ('prion') domain, can sometimes stably exist in at least two distinct physical states, each associated with a different phenotype; propagation of one of these traits is achieved by a self-perpetuating change in the protein from one form to the other, mediated by conformational changes in the glutamine/asparagine-rich domain. Prion domains are both modular and transferable to other proteins, on which they can confer a heritable epigenetic alteration of function; existing bioinformatics data indicate that they are rare in non-eukarya, but common in eukarya.
Comment:This term was obsoleted because it is not an active process.
Synonyms:exact_synonym: down regulation of protein activity, epigenetic;   downregulation of protein activity, epigenetic;   negative regulation of protein activity, epigenetic
 narrow_synonym: inhibition of protein activity, epigenetic



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