PRO_ID	Object_term	Object_syny	Modifier	Relation	Ontology_ID	Ontology_term	Relative_to	Interaction_with	Evidence_source	Evidence_code	Taxon	Inferred_from	DB_ID	Date	Assigned_by	Comment
PR:P61769-1	beta-2-microglobulin isoform 1 (human)	hB2M/iso:1		has_role	CHEBI:59163	biomarker			PMID:17968930	EXP	NCBITaxon:9606		UniProtKB:P61769-1	20100525	SALO:AJ