2 1 0 http://purl.obolibrary.org/obo/MOD_00322 1'-methyl-L-histidine '1'-methyl-L-histidine' SubClassOf http://purl.obolibrary.org/obo/MOD_02038 http://purl.obolibrary.org/obo/MOD_00082 3'-methyl-L-histidine '3'-methyl-L-histidine' SubClassOf http://purl.obolibrary.org/obo/MOD_02038 http://purl.obolibrary.org/obo/MOD_02038 monomethylated L-histidine 'monomethylated L-histidine' SubClassOf 'monomethylated residue' 'monomethylated L-histidine' SubClassOf 'methylated histidine'