is a Data Source.
The Conserved Domain Database (CDD) is a resource for the annotation of functional units in proteins. It provides a collection of well-annotated multiple sequence alignment models for ancient domains and full-length proteins, available as position-specific score matrices for fast identification of conserved domains in protein sequences.
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| ID | Name | URL | Category | Format | Description |
|---|---|---|---|---|---|
| cdd.site | CDD Website | cdd.shtml | GraphicalInterface | http | Web interface for browsing and search... |
| cdd.cdsearch | CD-Search | wrpsb.cgi | GraphicalInterface | http | CD-Search tool for identifying conser... |
| cdd.downloads | CDD Downloads | cdd | Product | mixed | FTP archive of CDD domain models, ali... |
| ID | Name | URL | Category | Format | Relation | Description |
|---|---|---|---|---|---|---|
| genecards.web.interface | GeneCards Web Interface | www.genecards.org | GraphicalInterface | http | had primary source | Web-based interface for searching and... |
The Conserved Domain Database (CDD), part of NCBI’s Entrez system, is a resource for the annotation of functional units (conserved domains) in proteins. It curates multiple sequence alignment models for ancient domains and full-length proteins, and imports domain models from external collections such as Pfam, SMART, COG, PRK, and TIGRFAMs.
Content and tools include:
GeneCards integrates conserved protein domain annotations from CDD.
Created: June 17, 2026 | Last modified: June 17, 2026