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The Protein database is a collection of sequences from several sources, including translations from annotated coding regions in GenBank, RefSeq and TPA, as well as records from SwissProt, PIR, PRF, and PDB. Protein sequences are the fundamental determinants of biological structure and function.
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. Retrieve all protein sequences for an organism or taxon. Find the function of a protein. Find a gene homolog. View a protein 3D structure. more...
BlastP simply compares a protein query to a protein database. PSI-BLAST allows the user to build a PSSM (position-specific scoring matrix) using the results of the first BlastP run. PHI-BLAST performs the search but limits alignments to those that match a pattern in the query.
UniProt is the world’s leading high-quality, comprehensive and freely accessible resource of protein sequence and functional information. Cite UniProt Proteins
Protein Database. A database that includes protein sequence records from a variety of sources, including GenPept, RefSeq, Swiss-Prot, PIR, PRF, and PDB. Protein Family Models is a collection of models representing homologous proteins with a common function. It includes conserved domain architecture, hidden Markov models and BlastRules.
Proteins. Protein sequences, 3-D structures, and tools for the study of functional protein domains and active sites
The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. About the NCBI |. Mission |. Organization |.
