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RNA polymerase sigma-70 factor, TIGR02957 family This group of sigma factors are members of the sigma-70 family (TIGR02937). They and appear by homology, tree building and bidirectional best hits, to represent a conserved family. This family is found in a limited number of bacterial lineages. This family includes apparent paralogous expansion in Streptomyces coelicolor A3(2), and multiple copies in Mycobacterium smegmatis MC2, Streptomyces avermitilis MA-4680 and Nocardia farcinica IFM10152. |
Jiyao W et al.(2023). "The conserved domain database in 2023.",