is a Data Source.
A resource for orthology-based functional classification of proteins into clusters of orthologous groups (COGs) across complete genomes.
genomics, microbiology, biological systems
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| ID | Name | URL | Category | Format | Description |
|---|---|---|---|---|---|
| cog.portal | COG Project Portal | cog | GraphicalInterface | http | NCBI web interface for exploring the ... |
| cog.download.cog-24-csv | COG 2024 Functional Assignments | cog-24.cog.csv (607.9 MB) | Product | csv | COG 2024 functional assignment table ... |
| cog.download.cogorg24-fasta | COG 2024 Protein FASTA | COGorg24.faa.gz (1.5 GB) | Product | fasta | Protein FASTA set for the COG 2024 re... |
| ID | Name | URL | Category | Format | Description |
|---|---|---|---|---|---|
| string.protein.links | STRING Protein Links | protein.links.v12.0.txt.gz (128.7 GB) | GraphProduct | txt | protein network data (full network, s... |
| string.protein.links.detailed | STRING Protein Links Detailed | protein.links.detailed.v12.0.txt.gz (189.6 GB) | GraphProduct | txt | protein network data (full network, i... |
| string.protein.links.full | STRING Protein Links Full | protein.links.full.v12.0.txt.gz (199.6 GB) | GraphProduct | txt | protein network data (full network, i... |
| string.protein.physical.links | STRING Protein Physical Links | protein.physical.links.v12.0.txt.gz (11.1 GB) | GraphProduct | txt | protein network data (physical subnet... |
| string.protein.physical.links.detailed | STRING Protein Physical Links Detailed | protein.physical.links.detailed.v12.0.txt.gz (13.8 GB) | GraphProduct | txt | protein network data (physical subnet... |
| string.protein.physical.links.full | STRING Protein Physical Links Full | protein.physical.links.full.v12.0.txt.gz (14.5 GB) | GraphProduct | txt | protein network data (physical subnet... |
| string.cog.links | STRING COG Links | COG.links.v12.0.txt.gz (176.8 MB) | GraphProduct | txt | association scores between orthologou... |
| string.cog.links.detailed | STRING COG Links Detailed | COG.links.detailed.v12.0.txt.gz (238.7 MB) | GraphProduct | txt | association scores (incl. subscores p... |
| string.database | STRING Database Network Schema | network_schema.v12.0.sql.gz (262.2 GB) | GraphProduct | ❔ | full database, part II: the networks ... |
Created: January 30, 2026 | Last modified: February 15, 2026