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IL-2 gene expression and NF-kappa B activation through CD28 requires reactive oxygen production by 5-lipoxygenase .
 protein: 5-lipoxygenase; protein: NF-kappa B; DNA: IL-2 gene; protein: CD28
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: 5-lipoxygenase, NF-kappa B, IL-2 gene, CD28 
Answer:
 protein: 5-lipoxygenase; protein: NF-kappa B; DNA: IL-2 gene; protein: CD28