Enzyme Reaction Ontology for annotating Partial Information of chemical transformation	Proteomics Data and Process Provenance Ontology	Source
http://lsdis.cs.uga.edu/projects/glycomics/propreo#molecule	http://reactionontology.org/piero/molecule	LOOM
http://lsdis.cs.uga.edu/projects/glycomics/propreo#enzyme	http://www.kegg.jp/entry/enzyme	LOOM