928
A mouse ets-1 cDNA clone was obtained by screening a mouse thymus cDNA expression library with a double-stranded oligonucleotide probe representing 20 bp of the Moloney murine sarcoma virus ( MSV ) long terminal repeat ( LTR ).
 protein: ets-1; DNA: long terminal repeat; DNA: double-stranded oligonucleotide probe; DNA: mouse thymus cDNA expression library; DNA: mouse ets-1 cDNA clone; DNA: LTR
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: ets-1; DNA: long terminal repeat; DNA: double-stranded oligonucleotide probe; DNA: mouse thymus cDNA expression library; DNA: mouse ets-1 cDNA clone; DNA: LTR