observation_id	peptide	proforma	protein_accession	protein_name	measured_mz	charge	adduct	theoretical_mz	ppm_error	species	taxon_id	tissue	uberon_id	condition	doi	status	flags
1172	LLVVYPWTQR	LLVVYPWTQR	P69892	Hemoglobin subunit gamma-2	1274.8811	1	H	1274.72557	122.01	Homo sapiens	9606	Breast	UBERON:0000310	Breast tumour	10.1021/pr3003672	approved	reported_theoretical_differs
1272	WLQGSQELPR	WLQGSQELPR	P01877	Immunoglobulin heavy constant alpha 2	1213.7753	1	H	1213.6324	117.75	Homo sapiens	9606	Breast	UBERON:0000310	Breast tumour	10.1021/pr3003672	approved	reported_theoretical_differs