definiens: shall mean : For First Gen PDS : the total amount of PDS fro m the purification of a single Fermentation Pellet resulting in not less th an * * * of DAB389IL-2 ; and For Second Gen PDS : the total amount of PDS fr om the purification of * * * Fermentation Pellets resulting in not less than the minimum validated yield for DAB389IL-2 as shall be set forth on two ( 2 ) schedul es to be proposed by SERAGEN and mutually agreed upon by the Parties and thereaf ter attached to this Agreement ( and made a part thereof ) ; a separate sch edule shall be proposed, agreed and attached for each of ( i ) clinical and co mmercial Batches of Second Gen PDS and ( ii ) development and validation Batches of Second Gen PDS ; and For Fermentation Pellets : A minimum of * * * pel lets resulting in not less than * * * grams of total protein per pellet accordin g to validated procedures then in effect