The NDB contains information about experimentally-determined nucleic acids and complex assemblies. Use the NDB to perform searches based on annotations relating to sequence, structure and function, and to download, analyze, and learn about nucleic acids.
RCSB Protein Data BankThe RCSB PDB provides a variety of tools and resources for studying the structures of biological macromolecules and their relationships to sequence, function, and disease.
The National Center for Biotechnology InformationEstablished in 1988 as a national resource for molecular biology information, NCBI creates public databases, conducts research in computational biology, develops software tools for analyzing genome data, and disseminates biomedical information - all for the better understanding of molecular processes affecting human health and disease.
Cambridge Crystallographic Data Centre (CSD)The CCDC is dedicated to the advancement of chemistry and crystallography for the public benefit through providing high-quality information services and software.
Enzyme Structures DatabaseThis database contains the known enzyme structures that have been deposited in the Protein Data Bank (PDB).