1781
The particular characteristics of these alterations , 80 % of which are missense mutations leading to functionally heterogeneous proteins , make p53 a unique gene in the class of tumor suppressor genes .
 Anatomy: tumor
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: tumor