tokens: 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 ) .
folded_tokens: 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 ) .
labels: O B-DNA_molecule B-protein_molecule O O O O O O O B-DNA_N/A I-DNA_N/A I-DNA_N/A I-DNA_N/A I-DNA_N/A O O B-DNA_molecule I-DNA_molecule I-DNA_molecule O O O O O B-virus I-virus I-virus I-virus O B-virus O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O B-DNA_domain_or_region O O