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The living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm. Any macromolecular complex composed of two or more polypeptide subunits, which may or may not be identical. Protein complexes may have other associated non-protein prosthetic groups, such as nucleotides, metal ions or other small molecules. A multimeric complex that is able to catalyze the addition of methyl groups to histone proteins. A heterotrimeric protein complex composed of a methanol methyltransferase subunit, a corrinoid protein and a methanol-specific corrinoid:coenzyme M methyltransferase subunit. Catalyzes the transfer of a methyl group from methanol to coenzyme M as part of the pathway of methanogenesis from methanol. A protein complex that consists of an RNA 5' triphosphatase and a guanyl transferase (Cet1p and Ceg1p in S. cerevisiae; Pct1 and Ceg1 in S. pombe) and is involved in mRNA capping. A stable assembly of two or more macromolecules, i.e. proteins, nucleic acids, carbohydrates or lipids, in which the constituent parts function together. Any constituent part of a cell, the basic structural and functional unit of all organisms. Any constituent part of the living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm. A multimeric protein complex involved in the methylation of specific nucleotides in tRNA. A large (20 S) protein complex that possesses protein arginine methyltransferase activity and modifies specific arginines to dimethylarginines in the arginine- and glycine-rich domains of several spliceosomal Sm proteins, thereby targeting these proteins to the survival of motor neurons (SMN) complex for assembly into small nuclear ribonucleoprotein (snRNP) core particles. Proteins found in the methylosome include the methyltransferase JBP1 (PRMT5), pICln (CLNS1A), MEP50 (WDR77), and unmethylated forms of SM proteins that have RG domains. A protein complex that possesses methyltransferase activity.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: methyltransferase complex
Acc: GO:0034708
Aspect: Cellular Component
Desc: A protein complex that possesses methyltransferase activity.
Proteins in PDR annotated with:
   This term: 0
   Term or descendants: 114 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0034708 - methyltransferase complex (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle