Database of natural lipids including fatty acids, glycerolipids, sphingolipids, steroids, and various vitamins. Contains more than 6000 unique molecular structures, their lipid names, spectral information, and literature information.
Encyclopedia on the structure and function of proteins, RNA, DNA, and other macromolecules, and their assemblies and interactions with small molecules.
Freely accessible research database focusing on the relationship between human beings and the environment (subjects cover law, agriculture, education, health, technology, etc.) Contains scholarly and general interest titles, government documents, and reports.
General purpose multiple sequence alignment program for DNA or proteins. It produces multiple sequence alignments of divergent sequences and calculates the best match for the selected sequences, and lines them up so that the identities, similarities and differences can be seen.
Database of animal natural history, distribution, classification, and conservation biology. Contains species accounts about individual animal species and descriptions of levels of organization above the species level, especially phyla, classes, and in some cases, orders and families.
"The Index contains entries dealing with various aspects of extant and fossil North and South American plants and fungi, including systematics and floristics, morphology, and ecology, as well as economic botany and general botany."
Database that describes the complete genome sequence of E. coli K-12 MG1655, the nucleotide position and function of every its genes, several types of cellular regulation, and metabolic pathways.
There is no official classification of prokaryotes, but the names given to prokaryotes are regulated. This website includes the nomenclature of prokaryotes and the nomenclatural changes as cited in the literature.
The PLANTS Database provides standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories.