4084
Replacement of Val20 - Leu21 with Ala - Ala produced a dimeric RII beta protein that binds AKAP75 approximately 4 % as avidly as wild - type RII beta .
 GENE: dimeric RII beta protein; GENE: AKAP75; GENE: wild - type RII beta
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: dimeric RII beta protein; GENE: AKAP75; GENE: wild - type RII beta