2578
Deletion constructs of the pCD41 clone demonstrated that ORF-A was critical for the HIV LTR activation.
 DNA: pCD41 clone; DNA: pCD41; protein: ORF-A; DNA: HIV 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: pCD41 clone, pCD41, ORF-A, HIV LTR 
Answer:
 DNA: pCD41 clone; DNA: pCD41; protein: ORF-A; DNA: HIV LTR