10482
Both receptors utilize protein tyrosine kinases ( PTKs ) for the phosphorylation of various signaling molecules , a process that is critical for the function of both receptors .
 GENE: protein tyrosine kinases; GENE: PTKs
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: protein tyrosine kinases, PTKs 
Answer:
 GENE: protein tyrosine kinases; GENE: PTKs