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Pathway Commons provides access to data integrated from public pathway and molecular interaction databases.

Browse Kurucz atomic line lists alongside links to related astronomy and molecular databases.

The Database of Zeolite Structures provides searchable structural information, descriptions, drawings, and animated displays for approved zeolite framework types.

MyRiceBase collects rice biology data for quality traits, including searchable and downloadable genomic, transcriptomic, gene, and network information.

OrtholugeDB provides orthology predictions for sequenced bacterial and archaeal genomes, using Ortholuge and reciprocal best-hit methods.

The Earth System Grid Federation is an open-source distributed data and computation platform for worldwide scientific collaboration.

Penn State Data Commons supports data sharing, discovery, and archiving, with tools to find data and share research datasets.

HITRANonline provides access to the HITRAN database, including molecular line-by-line parameters, cross-section data, and documentation.

CDMS provides reference data for molecular spectroscopy, with database records and guidance on their content and citation.

The Gene Ontology project represents knowledge about gene functions across molecular, cellular, and tissue system levels.

PHI-base curates molecular and biological information on genes affecting pathogen-host interactions and some anti-infective targets.

PDBj maintains the single global PDB/BMRB/EMDB archives of macromolecular structures and provides integrated tools for searching and analyzing PDB data.

RCSB PDB supports searching, visualizing, downloading, and analyzing protein structures and related sequence, structure, and function data.

PAZy catalogs plastic-active enzymes, substrates, enzyme structures, and curated literature on plastic degradation.

The Worldwide Protein Data Bank manages the public archive of 3D structures for proteins, nucleic acids, and complex assemblies.

WURM catalogs computed mineral properties, including crystal structures, calculation parameters, and spectral measurements.

Search and browse CATH's database classifying protein structures, with options to find a protein structure.

EMDataResource archives and retrieves three-dimensional electron microscopy structures, with data standards, validation methods, and related tools.

The Nucleic Acid Knowledgebase provides 3D structural information about nucleic acids, with structures, search, and full-text access.

The Endangered Languages Archive preserves multimedia collections of endangered languages and provides a searchable catalogue of its collections.

The prometheus digital image archive makes collections from research institutes and museums searchable through one interface.

Foto Marburg welcomes visitors to its art history documentation center and image archive, with links to image search and its image index.

The doRiNA page is archived and preserves links to regulator lists and related resources.

The MUSE-Wide project page describes a survey of well-studied deep fields and links to its first data release.