3272
Many human malignant cells lack methylthioadenosine phosphorylase ( MTAP ) enzyme activity .
 GENE: methylthioadenosine phosphorylase; GENE: MTAP
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: methylthioadenosine phosphorylase; GENE: MTAP