_pdbx_entity_instance_feature.ordinal 1
_pdbx_entity_instance_feature.comp_id Q20
_pdbx_entity_instance_feature.auth_asym_id A
_pdbx_entity_instance_feature.feature_type 'SUBJECT OF INVESTIGATION'
_pdbx_entity_instance_feature.auth_seq_num 47
_pdbx_entity_instance_feature.auth_comp_id R77