Users wishing to cite the SFLD should use the reference:

Pegg SC, Brown SD, Ojha S, Seffernick J, Meng EC, Morris JH, Chang PJ, Huang CC, Ferrin TE, Babbitt PC. "Leveraging enzyme structure-function relationships for functional inference and experimental design: the structure-function linkage database.", Biochemistry, 2006 Feb 28;45(8):2545-55

A dataset including several of the best-characterized superfamilies in the SFLD has also been published for use as a test set for family and superfamily clustering methods. Note that the corresponding data in the SFLD may have been updated since the publication of this paper.

Brown SD, Gerlt JA, Seffernick JL, Babbitt PC. "A gold standard set of mechanistically diverse enzyme superfamilies." Genome Biology, 2006 7(1):R8

The SFLD is developed by the Babbitt Laboratory in collaboration with the UCSF Resource for Biocomputing, Visualization, and Informatics. Funding is provided by NIH grant R01-GM60595 (Babbitt), NSF grant DBI-0234768 (Babbitt), and NIH grant P41-RR01081 (Ferrin).