892
Thus, our experiments demonstrate that the C-terminal region of HIV-1 Tat is required to suppress Mn-SOD expression and to induce pro-oxidative conditions reflected by a drop in reduced glutathione ( GSH ) and the GSH:oxidized GSH ( GSSG ) ratio .
 protein: Tat; protein: Mn-SOD; protein: HIV-1 Tat; protein: GSH; protein: C-terminal region
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: Tat, Mn-SOD, HIV-1 Tat, GSH, C-terminal region 
Answer:
 protein: Tat; protein: Mn-SOD; protein: HIV-1 Tat; protein: GSH; protein: C-terminal region