4535
In addition to the nine and 51 terminal amino acid forms already known , we identified a third with 43 terminal amino acids predicted to encode a novel RET protein isoform .
 GENE: RET protein isoform
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: RET protein isoform 
Answer:
 GENE: RET protein isoform