Organism
Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4)
Function
Acts as a corepressor of its own operon with PezA; it is not clear if it binds DNA alone.
Similarity
Belongs to the zeta toxin family.
Sequence
MEIQDYTDSEFKHALARNLRSLTRGKKSSKQPIAILLGGQSGAGKTTIHRIKQKEFQGNIVIIDGDSFRSQHPHYLELQQEYGKDSVEYTKDFAGKMVESLVTKLSSLRYNLLIEGTLRTVDVPKKTAQLLKNKGYEVQLALIATKPELSYLSTLIRYEELYIINPNQARATPKEHHDFIVNHLVDNTRKLEELAIFERIQIYQRDRSCVYDSKENTTSAADVLQELLFGEWSQVEKEMLQVGEKRLNELLEK