7402
Recombinant , bacterially expressed PIP5KIalpha possessed PIP5K activity and was immunoreactive with erythroid PIP5KI antibodies .
 PIP5KIalpha, PIP5K, erythroid PIP5KI antibodies
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 PIP5KIalpha, PIP5K, erythroid PIP5KI antibodies