OMIM External Links

Genome
Ensembl Genome databases for vertebrates and other eukaryotic species.
MITOMAP A curated repository of published and unpublished data on human mitochondrial DNA variation.
NCBI Map Viewer Detailed views of the complete genomes of selected organisms from vertebrates to protozoa.
UCSC UCSC Genome Browser; reference sequences and working draft assemblies for a large collection of genomes.

DNA
Ensembl Transcript-based views for coding and noncoding DNA.
NCBI RefSeq A collection of genome, gene, and transcript sequence data from several sources, including GenBank, RefSeq.
UCSC UCSC Genome Browser; reference sequences and working draft assemblies for a large collection of genomes.

Protein
UniProt Comprehensive protein sequence and functional information, including supporting data.
HPRD The Human Protein Reference Database; manually extracted and visually depicted information on human proteins.

Gene Info
BioGPS The Gene Portal Hub; customizable portal of gene and protein function information.
Ensembl Orthologs, paralogs, regulatory regions, and splice variants.
NCBI Gene Gene-specific map, sequence, expression, structure, function, citation, and homology data.
GeneCards The Human Genome Compendium; web-based cards integrating automatically mined information on human genes.
KEGG Kyoto Encyclopedia of Genes and Genomes; diagrams of signaling pathways.
PharmGKB Pharmacogenomics Knowledge Base; curated and annotated information regarding the effects of human genetic variations on drug response.
UCSC UCSC Genome Bioinformatics; gene-specific structure and function information with links to other databases.
HGNC HUGO Gene Nomenclature Committee.

Clinical
ClinicalTrials.gov A registry of federally and privately supported clinical trials conducted in the United States and around the world.
Gene Tests Information on genetic testing and its use in diagnosis, management, and genetic counseling.
Gene Reviews Expert-authored, peer-reviewed descriptions of inherited disorders including the uses of genetic testing in diagnosis, management, and genetic counseling.
OrphaNet Information on rare diseases and orphan drugs.
Genetic Alliance Network of disease-specific advocacy organizations, universities, private companies, government agencies, and public policy organizations.
Genetics Home Reference Consumer-friendly information about the effects of genetic variation on human health.
Newborn Screening Information and resources for newborn screening and genetics.
POSSUM A dysmorphology database of multiple malformations; metabolic, teratogenic, chromosomal, and skeletal syndromes; and their images.
DermAtlas Images and descriptions of lesions seen in dermatologic disorders.
GARD Genetic and Rare Diseases Information Center; information on rare and/or genetic disorders including portal to clinician and patient resources.
DECIPHER Database of chromosomal aberration including clinical and genomic information.

Variation
Genetics Association DB An archive of human genetic association studies of complex diseases and disorders.
HGMD Human Gene Mutation Database; published mutations causing or associated with human inherited disease; disease-associated/functional polymorphisms.
GWAS Central GWAS Central; summary level genotype-to-phenotype information from genetic association studies.
Coriell Coriell Cell Repositories; cell cultures and DNA derived from cell cultures.

Pathways
KEGG Kyoto Encyclopedia of Genes and Genomes; diagrams of signaling pathways.
Reactome Protein-specific information in the context of relevant cellular pathways.