The CoFactor database: organic cofactors in enzyme catalysis. - Julia D. Fischer; Gemma L. Holliday; Janet M. Thornton (Bioinform., 2010)

MACiE: exploring the diversity of biochemical reactions. - Gemma L. Holliday; Claudia Andreini; Julia D. Fischer; Syed Asad Rahman; Daniel E. Almonacid; Sophie T. Williams; William R. Pearson (Nucleic Acids Res., 2012)

The EBI enzyme portal. - Rafael Alcántara; Joseph Onwubiko; Hong Cao; Paula de Matos; Jennifer A. Cham; Julius O. B. Jacobsen; Gemma L. Holliday; Julia D. Fischer; Syed Asad Rahman; Bijay Jassal; Mickael Goujon; Francis Rowland; et al. (Nucleic Acids Res., 2013)