14726
The human immunodeficiency virus ( HIV ) type 1 long terminal repeat ( LTR ) contains binding sites for nuclear factor kappa B ( NF-kappa B ) and the constitutively expressed transcription factor Sp1 , both of which are highly conserved in HIV and simian immunodeficiency virus isolates .
 protein: transcription factor Sp1; protein: NF-kappa B; DNA: human immunodeficiency virus ( HIV ) type 1 long terminal repeat; protein: nuclear factor kappa B; DNA: LTR
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: transcription factor Sp1, NF-kappa B, human immunodeficiency virus ( HIV ) type 1 long terminal repeat, nuclear factor kappa B, LTR 
Answer:
 protein: transcription factor Sp1; protein: NF-kappa B; DNA: human immunodeficiency virus ( HIV ) type 1 long terminal repeat; protein: nuclear factor kappa B; DNA: LTR