Preferred Label : MysB protein, mycobacterium smegmatis;
MeSH note : The sigma factor is an initiation factor that promotes attachment of the RNA polymerase
to specific initiation sites and then is released; similar to sigma(70) proteins;
isolated from Mycobacterium smegmatis; amino acid sequence in first source; GenBank
U09863;
Is substance : O;
Origin ID : C093499;
UMLS CUI : C0297379;
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