1822
When expressed in Escherichia coli , SH - PTP2 displays tyrosine - specific phosphatase activity .
 GENE: SH - PTP2; GENE: tyrosine - specific phosphatase
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: SH - PTP2; GENE: tyrosine - specific phosphatase