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Protein N-terminal methyltransferase (, ''NMT1 (gene)'', ''METTL11A (gene)'') is an enzyme with system name ''S-adenosyl-L-methionine:N-terminal-(A,P,S)PK-(protein) methyltransferase''. This enzyme catalyses the following chemical reaction :(1) 3 S-adenosyl-L-methionine + N-terminal-(A,S)PK-() 3 S-adenosyl-L-homocysteine + N-terminal-N,N,N-trimethyl-N-(A,S)PK-() (overall reaction) :(1a) S-adenosyl-L-methionine + N-terminal-(A,S)PK-() S-adenosyl-L-homocysteine + N-terminal-N-methyl-N-(A,S)PK-() :(1b) S-adenosyl-L-methionine + N-terminal-N-methyl-N-(A,S)PK-() S-adenosyl-L-homocysteine + N-terminal-N,N-dimethyl-N-(A,S)PK-() :(1c) S-adenosyl-L-methionine + N-terminal-N,N-dimethyl-N-(A,S)PK-serine-() S-adenosyl-L-homocysteine + N-terminal-N,N,N-trimethyl-N-(A,S)PK-() :(2) 2 S-adenosyl-L-methionine + N-terminal-PPK-() 2 S-adenosyl-L-homocysteine + N-terminal-N,N-dimethyl-N-PPK-() (overall reaction) :(2a) S-adenosyl-L-methionine + N-terminal-PPK-() S-adenosyl-L-homocysteine + N-terminal-N-methyl-N-PPK-() :(2b) S-adenosyl-L-methionine + N-terminal-N-methyl-N-PPK-() S-adenosyl-L-homocysteine + N-terminal-N,N-dimethyl-N-PPK-() This enzyme methylates the N-terminus of target proteins containing the N-terminal motif ()-Pro-Lys. == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Protein N-terminal methyltransferase」の詳細全文を読む スポンサード リンク
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