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概 述
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Full name: |
methionine adenosyltransferase I, alpha |
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Synonyms: |
MAT, SAMS, MATA1, SAMS1 |
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Swissprot: |
Q00266 |
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Gene Accession: |
BC018359 |
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Purity: |
>85%, as determined by Coomassie blue stained SDS-PAGE |
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Expression system: |
Escherichia coli |
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Tags: |
His tag C-Terminus, GST tag N-Terminus |
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Background: |
This gene catalyzes a two-step reaction that involves the transfer of the adenosyl moiety of ATP to methionine to form S-adenosylmethionine and tripolyphosphate, which is subsequently cleaved to PPi and Pi. S-adenosylmethionine is the source of methyl groups for most biological methylations. The encoded protein is found as a homotetramer (MAT I) or a homodimer (MAT III) whereas a third form, MAT II (gamma), is encoded by the MAT2A gene. Mutations in this gene are associated with methionine adenosyltransferase deficiency. |
