mendations of the Nomenclature Committee of the International Union of Biochemistry and Molecular Biology (IUBMB) and it describes each type of characterized enzyme for which an EC (Enzyme Commission) number has been provided.

Home of the SWISS-PROT Annotated Protein Sequence Database. SWISS-PROT is a curated protein sequence database that strives to provide a high level of annotations (such as the description of the function of a protein, its domains structure, post-translational modifications, variants, etc), a minimal level of redundancy, and a high level of integration with other databases.

This database, developed by the National Center for Biotechnology Information (NCBI), is a catalogue of human genes and genetic disorders authored and edited by Dr. Victor A. McKusick and his colleagues at Johns Hopkins and elsewhere. It contains textual information, pictures, and reference information as well as links to NCBI’s Entrez database of MEDLINE articles and sequence information.

This Internet site contains recommendations for a Nomenclature System for Human Gene Mutations.

This site contains a significant amount of information on human DNA polymorphisms and their analysis.

Recent phosphodiesterase (PDE) gene family nomenclature recommendations. Includes updates for nearly all of the gene families and many of the subfamilies.

Web site for the Human Gene Nomenclature Committee. It includes a nomenclature database and guidelines. In addition, the site contains information on gene families and access to other relevant links.