10213
High - level expression in Escherichia coli of selenocysteine - containing rat thioredoxin reductase utilizing gene fusions with engineered bacterial - type SECIS elements and co - expression with the selA , selB and selC genes .
 GENE: rat thioredoxin reductase; GENE: selA; GENE: selB; GENE: selC genes
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: rat thioredoxin reductase, selA, selB, selC genes 
Answer:
 GENE: rat thioredoxin reductase; GENE: selA; GENE: selB; GENE: selC genes