4657
Our results indicate that interaction between Jak2 and PRLR requires a proline - rich sequence in the membrane proximal region of the receptor , which is conserved among the different members of the cytokine receptor superfamily .
 GENE: Jak2; GENE: PRLR; GENE: cytokine receptor superfamily
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: Jak2, PRLR, cytokine receptor superfamily 
Answer:
 GENE: Jak2; GENE: PRLR; GENE: cytokine receptor superfamily