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Results 1 - 7 of 7
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EC Number Substrates Commentary Substrates Organism Products Commentary (Products) Reversibility
Display the word mapDisplay the reaction diagram Show all sequences 2.1.1.248methylamine + a [Co(I) methylamine-specific corrinoid protein] - Methanosarcina barkeri a [methyl-Co(III) methylamine-specific corrinoid protein] + ammonia - ?
Display the word mapDisplay the reaction diagram Show all sequences 2.1.1.248methylamine + a [Co(I) methylamine-specific corrinoid protein] - Methanosarcina mazei a [methyl-Co(III) methylamine-specific corrinoid protein] + ammonia - ?
Display the word mapDisplay the reaction diagram Show all sequences 2.1.1.248methylamine + a [Co(I) methylamine-specific corrinoid protein] catalytic cycle of MMA:CoM methyl transfer, overview Methanosarcina barkeri a [methyl-Co(III) methylamine-specific corrinoid protein] + ammonia - ?
Display the word mapDisplay the reaction diagram Show all sequences 2.1.1.248methylamine + a [Co(I) methylamine-specific corrinoid protein] the methylamine-specific corrinoid protein MtmC cycles between methyl-Co(III)- and Co(I)-MtmC during catalysis. Methanogen methylotrophic corrinoid proteins such as MtmC are methylated in the Co(I) state, forming a hexacoordinate methyl-Co(III) species whose demethylation regenerates Co (I) corrinoid. Pyrrolysine in MtmB mediates methylation of MtmC Methanosarcina barkeri a [methyl-Co(III) methylamine-specific corrinoid protein] + ammonia - ?
Display the word mapDisplay the reaction diagram Show all sequences 2.1.1.248methylamine + a [Co(I) methylamine-specific corrinoid protein] - Methanosarcina barkeri MS / DSM 800 a [methyl-Co(III) methylamine-specific corrinoid protein] + ammonia - ?
Display the word mapDisplay the reaction diagram Show all sequences 2.1.1.248methylamine + a [Co(I) methylamine-specific corrinoid protein] - Methanosarcina mazei Goe1 a [methyl-Co(III) methylamine-specific corrinoid protein] + ammonia - ?
Display the word mapDisplay the reaction diagram Show all sequences 2.1.1.248more model for MtmB methylation of Co(I) corrinoid cofactor with monomethylamine. Y335 and Q333 are proposed to assist in the initial MtmB binding of monomethylamine and positioning such that electrophilic attack of the C-2 atom on the lone electron pair of the nitrogen of unionized monomethylamine occurs. The residues can also serve to H-bond with the ammonia released from the pyrroline ring, enhancing the equilibrium between 2-aminopyrrolysine and pyrrolysine in the direction of product removal from the enzyme, model of pyrrolysine function Methanosarcina barkeri ? - ?
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