(ribulose-bisphosphate carboxylase)-lysine N-methyltransferase

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In enzymology, a [ribulose-bisphosphate carboxylase]-lysine N-methyltransferase (EC is an enzyme that catalyzes the chemical reaction

S-adenosyl-L-methionine + [ribulose-1,5-bisphosphate carboxylase]-lysine S-adenosyl-L-homocysteine + [ribulose-1,5-bisphosphate carboxylase]-N6-methyl-L-lysine

Thus, the two substrates of this enzyme are S-adenosyl methionine and [[[ribulose-1,5-bisphosphate carboxylase]-lysine]], whereas its two products are S-adenosylhomocysteine and [[[ribulose-1,5-bisphosphate carboxylase]-N6-methyl-L-lysine]].

This enzyme belongs to the family of transferases, specifically those transferring one-carbon group methyltransferases. The systematic name of this enzyme class is S-adenosyl-L-methionine:[3-phospho-D-glycerate-carboxy-lyase (dimerizing)]-lysine N6-methyltransferase. Other names in common use include rubisco methyltransferase, ribulose-bisphosphate-carboxylase/oxygenase N-methyltransferase, ribulose-1,5-bisphosphate carboxylase/oxygenase large subunit, epsilonN-methyltransferase, S-adenosyl-L-methionine:[3-phospho-D-glycerate-carboxy-lyase, and (dimerizing)]-lysine 6-N-methyltransferase.

Structural studies

As of late 2007, 7 structures have been solved for this class of enzymes, with PDB accession codes 1MLV, 1OZV, 1P0Y, 2H21, 2H23, 2H2E, and 2H2J.


External links

The CAS registry number for this enzyme class is 139171-98-5.

Gene Ontology (GO) codes