Databases: U

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U.S. Census Bureau International Data Base (IDB)
A computerized databank containing statistical tables of demographic, and socio-economic data for most countries and areas of the world.

U.S. Patents
Full-page images of U.S. patents filed since 1790; full-text of those since 1976.

U.S. Mass Shootings 1982-2019
Regularly updated, downloadable dataset compiled by Mother Jones magazine.

Ulrich’s Periodicals Directory
“Ulrich’s Periodicals Directory is a bibliographic database providing detailed, comprehensive, and authoritative information on serials published throughout the world.”

UNdata
A single entry point to United Nations statistical databases.

Unified Medical Language System (UMLS)
The purpose of NLM’s Unified Medical Language System (UMLS) is to facilitate the development of computer systems that behave as if they “understand” the meaning of the language of biomedicine and health.

UniGene
UniGene is an experimental system for automatically partitioning GenBank sequences into a non-redundant set of gene-oriented clusters. Each UniGene cluster contains sequences that represent a unique gene, as well as related information such as the tissue types in which the gene has been expressed and map location.

UniProt
An annotated protein sequence knowledgebase.

UniSTS
UniSTS is no longer available: this link directs to Probe. UniSTS was a database of sequence tagged sites (STSs), derived from STS-based maps and other experiments. All data from this resource have been moved to the Probe database. You can retrieve all UniSTS records by searching the probe database using the search term “unists[properties]”.

USDA Food Composition Databases

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