2053
Immunoblotting with antiphosphotyrosine antibody showed that many yeast proteins , including the p34CDC28 kinase , became phosphorylated at tyrosine in cells expressing v - src .
 GENE: p34CDC28 kinase; GENE: v - src
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: p34CDC28 kinase; GENE: v - src