9774
In this first study of TCR repertoire selection for an EBV lytic antigen , a BZLF1 -reactive component of diverse clonotypes was identified in primary type A or type B EBV infection which was sustained in the EBV -specific memory response throughout life-long infection .
 protein: BZLF1; protein: TCR; protein: TCR repertoire; protein: EBV lytic antigen
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: BZLF1, TCR, TCR repertoire, EBV lytic antigen 
Answer:
 protein: BZLF1; protein: TCR; protein: TCR repertoire; protein: EBV lytic antigen