1552
Cell cycle regulatory components have been largely conserved in eukaryotes ; however , orthologs of neither CAK1 nor csk1 have been identified in other species to date .
 GENE: CAK1; GENE: csk1
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: CAK1; GENE: csk1