905
The coding sequence of rat MEK kinase 1 ( MEKK1 ) has been determined from multiple , independent cDNA clones .
 GENE: rat MEK kinase 1; GENE: MEKK1
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: rat MEK kinase 1; GENE: MEKK1