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Here, we describe the characterization of an alternatively spliced variant of Spi-B , named deltaSpi-B , which has lost the Ets domain .
 protein: Spi-B; protein: Ets domain; protein: deltaSpi-B
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: Spi-B, Ets domain, deltaSpi-B 
Answer:
 protein: Spi-B; protein: Ets domain; protein: deltaSpi-B