is a Data Source.
A curated classification database of membrane transport proteins, organized by the Transporter Classification (TC) system and supporting sequence- and family-level exploration.
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| ID | Name | URL | Category | Format | Description |
|---|---|---|---|---|---|
| tcdb.portal | TCDB Portal | www.tcdb.org | Graphical Interface | http | Main web interface for browsing trans... |
| tcdb.blast | TCDB BLAST | blast.php | Graphical Interface | http | Sequence similarity search interface ... |
| tcdb.download.fasta | TCDB Protein Sequences | tcdb (13.0 MB) | Product | fasta | Complete TCDB protein sequence export. |
| tcdb.download.tcdoms | tcDoms Archive | tcDoms.tar.gz (14.0 MB) | Product | mixed | Precomputed tcDoms dataset archive. |
| tcdb.download.substrates ⚠ | TC Systems to Substrates Table | getSubstrates.py | Product | tsv | Tab-delimited table mapping TC system... |
| tcdb.download.families | TC Family Definitions | families.py (40.7 KB) | Product | tsv | Tab-delimited table with TC family de... |
| tcdb.download.refseq ⚠ | Sequence Accessions to TCIDs | refseq.py | Product | tsv | Tab-delimited table mapping sequence ... |
| tcdb.download.superfamilies | TC Superfamily Mapping | listSuperfamilies.py (40.5 KB) | Product | tsv | Tab-delimited table mapping systems, ... |
| tcdb.download.acc2tcid ⚠ | Accessions to TCIDs | acc2tcid.py | Product | tsv | Tab-delimited table mapping protein a... |
| tcdb.download.go ⚠ | TC Annotation Mapping Table | go.py | Product | tsv | Tab-delimited annotation mapping tabl... |
| tcdb.download.pdb ⚠ | TC Structure Mapping Table | pdb.py | Product | tsv | Tab-delimited structure mapping table... |
| tcdb.download.pfam ⚠ | TC Protein Family Mapping Table | pfam.py | Product | tsv | Tab-delimited protein family mapping ... |
| ID | Name | URL | Category | Format | Relation | Description |
|---|---|---|---|---|---|---|
| unibiomap.links | UniBioMap Graph Links | unibiomap.links.csv (1.3 GB) | Graph | csv | had primary source | Core UniBioMap graph edges file. |
| unibiomap.auxs | UniBioMap Graph Auxiliaries | unibiomap.auxs.tsv (563.9 MB) | Graph | tsv | had primary source | Auxiliary UniBioMap graph annotations... |
| unibiomap.pred | UniBioMap Predicted Graph | unibiomap.pred.csv (2.3 GB) | Graph | csv | had primary source | Predicted UniBioMap graph edges with ... |
| unibiomap.pred.full | UniBioMap Predicted Graph (Full) | unibiomap.pred.full.csv (5.9 GB) | Graph | csv | had primary source | Full unfiltered UniBioMap predicted g... |
TCDB is a curated classification resource for membrane transport proteins that organizes transport systems into a hierarchical transporter classification scheme.
Created: January 28, 2026 | Last modified: September 23, 2026