The following publications are possibly variants of this publication:
- The MetaCyc database of metabolic pathways and enzymes and the BioCyc collection of pathway/genome databasesRon 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, Suzanne M. Paley, Liviu Popescu, Anuradha Pujar, Alexander Glennon Shearer, Peifen Zhang, Peter D. Karp. nar, 38(Database-Issue):473-479, 2010. [doi]
- MetaCyc: a multiorganism database of metabolic pathways and enzymesCynthia J. Krieger, Peifen Zhang, Lukas A. Mueller, Alfred Wang, Suzanne M. Paley, Martha Arnaud, John Pick, Seung Yon Rhee, Peter D. Karp. nar, 32(Database-Issue):438-442, 2004.
- MetaCyc: a multiorganism database of metabolic pathways and enzymesRon 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, Peter D. Karp. nar, 34(Database-Issue):511-516, 2006. [doi]