Three of these proteins are essential in detecting the mismatch and directing repair machinery to it: MutS, MutH and MutL (MutS is a homologue of HexA and MutL of HexB).
Tres destas proteínas son esenciais para detectar a discordancia e dirixir a maquinaria de reparación cara a elas: MutS, MutH e MutL (MutS é un homólogo de HexA e MutL de HexB).