6871
PI3-kinase activity was an upstream activator of PKB/Akt because the PI3-kinase inhibitor LY294002 blocked both constitutive PKB/Akt and factor-dependent PKB/Akt activity .
 protein: PKB/Akt; protein: PI3-kinase; protein: PKB/Akt; protein: PI3-kinase; protein: PKB/Akt
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: PKB/Akt, PI3-kinase, PKB/Akt, PI3-kinase, PKB/Akt 
Answer:
 protein: PKB/Akt; protein: PI3-kinase; protein: PKB/Akt; protein: PI3-kinase; protein: PKB/Akt