text: # BioCyc term TAB ONDEX term
  PlantCyc	PLANTCYC
  MetaCyc	MC
  AraCyc	AC
  LycoCyc	LYCOCYC
  SoyCyc	SOYCYC
  PubMed	PubMed
  UniProt	UNIPROTKB
  UniProtKB	UNIPROTKB
  PIR	PIR
  Ligand-Rxn	KEGG
  LIGAND	KEGG
  CAS	CAS
  PubChem	PUBCHEM
  ChEBI	CHEBI
  Chebi	CHEBI
  NCI	NCI
  KNApSAcK	KNApSAcK
  Knapksack	KNApSAcK
  UMBBD-Compounds	UMBBD
  UMBBD	UMBBD
  Wikipedia	WIKI
  Entrez	NC_GE
  Entrez Protein (GI)	NC_GI
  RefSeq	NC_NP
  Entrez-Nucleotide	NC_NM
  Pfam	PFAM
  PDB	PDB
  Phytozome Plant Orthologs	PHYTOZOME
  TAIR	TAIR
  Gramene_Genedb	GR
  EcoCyc	ECOCYC
  ModBase	MODBASE
  Modbase	MODBASE
  Swiss-Model	SMOD
  unknown	unknown
  Annotation_Source	UC
  CJEJ192222cyc	NCTC11168
  LIGAND-compound	KEGG
  CJEJ195099cyc	RM1221
  KEGG	KEGG
  Kegg	KEGG
  LIGAND-reaction	KEGG
  NCBI Entrez Protein (GI)	NC_GI
  Annotation Source	UNIPROTKB
  LIGAND - generic	KEGG
  BRENDA	BRENDA