1170
The protein predicted by the sequence of the human pim - 1 proto - oncogene shares extensive homology with known serine / threonine protein kinases , and yet the human Pim - 1 enzyme has previously been reported to exhibit protein tyrosine kinase activity both in vitro and in vivo .
 human pim - 1 proto - oncogene, serine / threonine protein kinases, human Pim - 1 enzyme, protein tyrosine kinase
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 human pim - 1 proto - oncogene, serine / threonine protein kinases, human Pim - 1 enzyme, protein tyrosine kinase