10744
Molecular cloning and characterization of a cDNA , CHEMR1 , encoding a chemokine receptor with a homology to the human C-C chemokine receptor , CCR-4 .
 DNA: cDNA; protein: human C-C chemokine receptor; protein: chemokine receptor; protein: CCR-4; DNA: CHEMR1
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: cDNA, human C-C chemokine receptor, chemokine receptor, CCR-4, CHEMR1 
Answer:
 DNA: cDNA; protein: human C-C chemokine receptor; protein: chemokine receptor; protein: CCR-4; DNA: CHEMR1