In addition to the Syc-Yop complex, Yops are also tagged for type III secretion either by the first 60nt in their corresponding mRNA transcript or by their corresponding first 20 N-terminal amino acids.
Ademais do complexo Syc-Yop, as Yops están tamén etiquetadas para a secreción de tipo III polos primeiros 60 nucleótidos do seu transcrito de ARNm correspondente ou polos correspondentes 20 primeiros aminoácido N-terminais.