1265
Lysates of COS cells transfected with modified hGrzB cDNA were able to hydrolyze tert - butyloxycarbonyl - Ala - Ala - Asp - thiobenzyl ester ( Boc - Ala - Ala - Asp - SBzl ) , whereas lysates transfected with unmodified hGrzB cDNA were inactive .
 GENE: modified hGrzB cDNA; GENE: unmodified hGrzB cDNA
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: modified hGrzB cDNA; GENE: unmodified hGrzB cDNA