Protein
Heterocyst differentiation control protein
Organism
Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576)
Function
Controls heterocyst differentiation. Has both a protease and a DNA-binding activity. Binds the promoter regions of hetR, hepA and patS.
Similarity
Belongs to the peptidase S48 family.
Sequence
MSNDIDLIKRLGPSAMDQIMLYLAFSAMRTSGHRHGAFLDAAATAAKCAIYMTYLEQGQNLRMTGHLHHLEPKRVKIIVEEVRQALMEGKLLKTLGSQEPRYLIQFPYVWMEQYPWIPGRSRIPGTSLTSEEKRQIEHKLPSNLPDAQLVTSFEFLELIEFLHKRSQEDLPPEHRMELSEALAEHIKRRLLYSGTVTRIDSPWGMPFYALTRPFYAPADDQERTYIMVEDTARYFRMMKDWAEKRPNAMRALEELDVPPERWDEAMQELDEIIRTWADKYHQVGGIPMILQMVFGRKED