The Best PDBj Alternatives in 2026

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

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

BMRB collects and annotates biological NMR data to make it findable, accessible, interoperable, and reusable.

M3G maintains metadata for GNSS network stations, including identifiers, locations, installation dates, data licenses, and site logs.

The @unitedstates project maintains shared civic data and tools for working with US government information.

The Integrated Interactions Database lets users search interaction data by gene or protein identifiers and organism.

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

EIDA is the European Integrated Data Archive for seismic waveform data, with services integrated into the EPOS Data Portal.

VIAF combines multiple library name authority files into a single OCLC-hosted authority service.

The Rat Genome Database provides integrated genetic, genomic, physiological, pathway, and disease information with research tools.

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

WOUDC provides discovery and access to a global archive of ground-based ozone and ultraviolet radiation data.

The Global Carbon Atlas lets visitors explore and visualize data on carbon fluxes, including country-level emissions from human activities.

The National Center for Education Statistics collects, analyzes, and reports data on U.S. education from early childhood through adulthood.

Winterthur’s data and statistics office collects, processes, and analyzes city data on population, housing, economy, culture, environment, and transport.

Protected Planet provides data on protected areas and conservation measures, with global statistics updated from submitted records.

ISRIC is the World Data Centre for Soil, providing global soil information, tools, standards, and expertise for researchers and practitioners.

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

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

Reciprocal Net links a distributed crystallography network with a searchable collection of common molecular structures.

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

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

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

WorldViews supports compiling and analyzing schoolbook text corpora with structured, machine-readable information.