passages.id: 1.0alpha7.train.1305.sent
passages.type: sentence
passages.text: Mutation of the  CTCF binding site of  mouse 3HS1 was accomplished using the QuikChange site-directed mutagenesis kit (Stratagene, La Jolla, Calif.) according to the manufacturers directions.
coreferences.id: 1.0alpha7.train.1305.coref0
coreferences.entity_ids: 1.0alpha7.train.1305.ent0_0
coreferences.id: 1.0alpha7.train.1305.coref1
coreferences.entity_ids: 1.0alpha7.train.1305.ent1_0
coreferences.id: 1.0alpha7.train.1305.coref2
coreferences.entity_ids: 1.0alpha7.train.1305.ent2_0
coreferences.id: 1.0alpha7.train.1305.coref3
coreferences.entity_ids: 1.0alpha7.train.1305.ent3_0