MetaCyc: a multiorganism database of metabolic pathways and enzymes. - Ron Caspi; Hartmut Foerster; Carol A. Fulcher; Rebecca Hopkinson; John Ingraham; Pallavi Kaipa; Markus Krummenacker; Suzanne M. Paley; John Pick; Seung Yon Rhee; Christophe Tissier; Peifen Zhang; et al. (Nucleic Acids Res., 2006)

The MetaCyc Database of metabolic pathways and enzymes and the BioCyc collection of Pathway/Genome Databases. - Ron Caspi; Hartmut Foerster; Carol A. Fulcher; Pallavi Kaipa; Markus Krummenacker; Mario Latendresse; Suzanne M. Paley; Seung Yon Rhee; Alexander Glennon Shearer; Christophe Tissier; Thomas C. Walk; Peifen Zhang; et al. (Nucleic Acids Res., 2008)

Pathway Tools version 13.0: integrated software for pathway/genome informatics and systems biology. - Peter D. Karp; Suzanne M. Paley; Markus Krummenacker; Mario Latendresse; Joseph M. Dale; Thomas J. Lee; Pallavi Kaipa; Fred Gilham; Aaron Spaulding; Liviu Popescu; Tomer Altman; Ian T. Paulsen; et al. (Briefings Bioinform., 2010)

The MetaCyc database of metabolic pathways and enzymes and the BioCyc collection of pathway/genome databases. - Ron Caspi; Tomer Altman; Joseph M. Dale; Kate Dreher; Carol A. Fulcher; Fred Gilham; Pallavi Kaipa; Athikkattuvalasu S. Karthikeyan; Anamika Kothari; Markus Krummenacker; Mario Latendresse; Lukas A. Mueller; et al. (Nucleic Acids Res., 2010)

EcoCyc: a comprehensive database of Escherichia coli biology. - Ingrid M. Keseler; Julio Collado-Vides; Alberto Santos-Zavaleta; Martín Peralta-Gil; Socorro Gama-Castro; Luis Muñiz-Rascado; César Bonavides-Martínez; Suzanne M. Paley; Markus Krummenacker; Tomer Altman; Pallavi Kaipa; Aaron Spaulding; et al. (Nucleic Acids Res., 2011)