Proteins
NCBI's Protein resources include protein sequences and structures and related comparison and visualization tools, as well as databases and tools to predict and analyze functional domains.
How to
Protein Sequences
- Protein
- protein sequence repository
- BLASTp
- protein sequence similarity search tool
- cobalt
- protein multiple alignment tool
- Protein Clusters
- sequence similarity-based protein clusters
Functional Domains
- Conserved Domains
- conserved protein functional domain repository
- CD-Search
- sequence-based domain search tool
- cdart
- modular protein domain architecture tool
- CD-Tree
- conserved domain analysis program
Three-dimensional Structures
- Structure
- three dimensional macromolecular structures
- Cn3D
- downloadable 3D structure viewer
- VAST+
- macromolecular structural similarity service
- VAST Search
- finds 3D structures similar to an input PDB file
Supporting Resources
- Taxonomy
- taxonomic classification and nomenclature catalog
- GenBank
- primary nucleotide sequence repository
- RefSeq
- curated, non-redundant biological sequence set
- BioProject
- catalog of high-throughput genome-wide studies
- BioSample
- sample repository for the BioProjects database
Additional Tools
- ProSplign
- aligns protein sequences to genomes
- Genome ProtMap
- maps microbial protein coding regions to genomes
- iCn3D
- displays interactive 3D structures in a web browser