Component of the SOS system and an inhibitor of cell division. Accumulation of SulA causes rapid cessation of cell division and the appearance of long, non-septate filaments. In the presence of GTP, binds a polymerization-competent form of FtsZ in a 1:1 ratio, thus inhibiting FtsZ polymerization and therefore preventing it from participating in the assembly of the Z ring. This mechanism prevents the premature segregation of damaged DNA to daughter cells during cell division.

Belongs to the SulA family.

168 amino acids

MRTQSLKPYHANYHSLTTNDSPTRVDAPTDSGLISEFVYSENQPVVTQLLLPLLQQLSKQSRWLLWLTPQQKLSRSWLKQSGLPINKVVQLRQINPLSTVEAMEKALLTGNYSVVLGWLPELTEDDRIRLRLAAKLGNAYGFVMRPLNDTKVGSGQCATLKIHSYLYH

19.1 kDa

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

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