messages: “Avantageusement, on utilise un mélange, comprenant un ou plusieurs polypeptide(s) a) et/ou un ou plusieurs polypeptide(s) b) tels que définis ci-dessus.”	Translate this piece.
messages: user
messages: “Advantageously, a mixture comprising one or more polypeptide(s) a) and/or one or more polypeptide(s) b) as defined above is used.”
messages: assistant