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In-vitro cleavage of recombinant SP1 by recombinant caspase 3 ( CPP32 ) or caspase 7 ( Mch 3 ) results in similar cleavage products as those observed in vivo.
 protein: CPP32; protein: recombinant caspase 3; protein: recombinant SP1; protein: caspase 7; protein: Mch 3; protein: SP1
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: CPP32, recombinant caspase 3, recombinant SP1, caspase 7, Mch 3, SP1 
Answer:
 protein: CPP32; protein: recombinant caspase 3; protein: recombinant SP1; protein: caspase 7; protein: Mch 3; protein: SP1