What are major secondary databases?

What is the example of secondary database?

Secondary databases store information such as conserved sequences, active site residues, and signature sequences. Protein Databank data is stored in secondary databases. Examples include: SCOP at Cambridge University.

What is meant by secondary database?

A database that provides an alternative set of keys to access that data is called a secondary database. In a secondary database, the keys are your alternative (or secondary) index, and the data corresponds to a primary record's key.

Is GenBank a primary database or secondary database?

The Primary Databases GenBank hosted by the National Center for Biotechnology Information (or NCBI). The European Nucleotide archive or ENA hosted by the European Molecular Biology Laboratories (EMBL).

Is PDB a secondary database?

PDB (Berman et al., 2000) is the most comprehensive repository of structure data for biological macromolecules. The repository contains the primary structure and secondary structure information along with the atomic coordinates of a constituent atoms of biomolecule. It also contains corresponding experimental data.