passages.id: 1.0alpha7.train.286.sent
passages.type: sentence
passages.text: The 2.8 angstrom crystal structure of ZAG resembles a class I major histocompatibility complex (MHC) heavy chain, but ZAG does not bind the class I light chain beta2-microglobulin. 
coreferences.id: 1.0alpha7.train.286.coref0
coreferences.entity_ids: 1.0alpha7.train.286.ent0_0 1.0alpha7.train.286.ent1_1
coreferences.id: 1.0alpha7.train.286.coref1
coreferences.entity_ids: 1.0alpha7.train.286.ent2_0
coreferences.id: 1.0alpha7.train.286.coref2
coreferences.entity_ids: 1.0alpha7.train.286.ent3_0 1.0alpha7.train.286.ent4_0