| http://www.w3.org/ns/prov#value | - oxygen, nitrogen, sulfur and phosphorus, having a mass range of 50 to 1000 daltons; J is a direct bond or a functional group such as amide, ester, amine, sulfide, ether, thioester, disulfide, thioether, urea, thiourea,carbamate, thiocarbamate, Schiff base, reduced Schiff base, imine, oxime, hydrazone, phosphate, phosphonate, phosphoramide, phosphonamide, sulfonate, sulfonamide or carbon-carbon bo
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