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1. www.ncbi.nlm.nih.gov › Structure › cddNCBI Conserved Domain Search - National Center for Biotechnology...

   www.ncbi.nlm.nih.gov › Structure › cdd

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   Enter protein or nucleotide query as accession, gi, or sequence in FASTA format. For multiple protein queries, use Batch CD-Search.

   • Conserved Domains and Protein Classification Database

     CD-Search is NCBI's interface to searching the Conserved...

   • Batch CD-Search

     Enter query protein sequences. Warning: Batch CD-Search...

   • Fasta Format

     Note. 1 The degenerate nucleotide codes in red are treated...

   • 3D Macromolecular Structures

     Vector Alignment Search Tool (VAST) A computer algorithm...

   • Protein

     The Protein database is a collection of sequences from...

   • Domains & Structures

     Conserved Domain Architecture Retrieval Tool (CDART)...

   • Proteins

     NCBI's Protein resources include protein sequences and...

   • Protein Blast

     BlastP simply compares a protein query to a protein...

2. www.ncbi.nlm.nih.gov › proteinHome - Protein - NCBI - National Center for Biotechnology...

   www.ncbi.nlm.nih.gov › protein

   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.

3. www.ncbi.nlm.nih.gov › Structure › cddConserved Domains Database (CDD) and Resources - National Center...

   www.ncbi.nlm.nih.gov › Structure › cdd

   CD-Search is NCBI's interface to searching the Conserved Domain Database with protein or nucleotide query sequences. It uses RPS-BLAST , a variant of PSI-BLAST, to quickly scan a set of pre-calculated position-specific scoring matrices ( PSSMs ) with a protein query.

4. www.ncbi.nlm.nih.gov › guide › domains-structuresDomains & Structures - Site Guide - NCBI

   www.ncbi.nlm.nih.gov › guide › domains-structures

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   Conserved Domain Architecture Retrieval Tool (CDART) Displays the functional domains that make up a given protein sequence. It lists proteins with similar domain architectures and can retrieve proteins that contain particular combinations of domains. Conserved Domain Search Service (CD Search)

5. www.ncbi.nlm.nih.gov › home › proteinsProteins - NCBI - National Center for Biotechnology Information

   www.ncbi.nlm.nih.gov › home › proteins

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   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...

6. blast.ncbi.nlm.nih.gov › BlastProtein BLAST: search protein databases using a protein query

   blast.ncbi.nlm.nih.gov › Blast

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   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.

7. www.ncbi.nlm.nih.gov › Structure › indexNCBI Protein Domains and Macromolecular Structures

   www.ncbi.nlm.nih.gov › Structure › index

   The Molecular Modeling Database (MMDB), as part of the Entrez system, facilitates access to structure data by connecting them with associated literature, protein and nucleic acid sequences, chemicals, biomolecular interactions, and more.