New friendly tools for users of ESTHER, the database of the α/β-hydrolase fold superfamily of proteins

The ESTHER (for esterases, α/β-hydrolase enzymes and relatives) database (http://bioweb.ensam.inra.fr/esther) gathers and annotates all the published pieces of information (gene and protein sequences; biochemical, pharmacological, and structural data) related to the superfamily, and connects them together to provide the bases for studying structure-function relationships within the superfamily. The most recent developments of the database are presented.