Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released.

Belongs to the sigma-70 factor family. ECF subfamily.

185 amino acids

MTATASDDEAVTALALSAAKGNGRALEAFIKATQQDVWRFVAYLSDVGSADDLTQETFLRAIGAIPRFSARSSARTWLLAIARHVVADHIRHVRSRPRTTRGARPEHLIDGDRHARGFEDLVEVTTMIADLTTDQREALLLTQLLGLSYADAAAVCGCPVGTIRSRVARARDALLADAEPDDLTG

20 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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