4273
Increasing the levels of BCL-2 retarded the G0-->S transition, sustained the levels of cyclin-dependent kinase inhibitor p27Kip1 , and repressed postactivation death.
 protein: BCL-2; protein: cyclin-dependent kinase
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: BCL-2, cyclin-dependent kinase 
Answer:
 protein: BCL-2; protein: cyclin-dependent kinase