passages.id: 1.0alpha7.train.472.sent
passages.type: sentence
passages.text:  At low pH does  DM bind to the closed form of  MHCII,  prying  it open, or does  DM simply bind to and stabilize the open form of  MHCII induced spontaneously by the shift to low pH?  
coreferences.id: 1.0alpha7.train.472.coref0
coreferences.entity_ids: 1.0alpha7.train.472.ent0_0 1.0alpha7.train.472.ent1_1
coreferences.id: 1.0alpha7.train.472.coref1
coreferences.entity_ids: 1.0alpha7.train.472.ent2_0 1.0alpha7.train.472.ent3_1