NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.
Bookshelf ID: NBK44864
Entrez Sequences Help
Bethesda (MD): National Center for Biotechnology Information (US); 2010-.
This book contains information on the Entrez Protein, Nucleotide, Expressed Sequence Tag (EST), and Genome Survey Sequence (GSS) databases. The instructions here should allow you to quickly begin searching and using the features of the Entrez sequence databases.
Contents
- Entrez Sequences Quick Start
- Which of the three databases containing nucleic acid sequence (Nucleotide, EST, or GSS) should I search?
- How do I use a simple query, such as a word or a phrase?
- How can I make my search more specific with Boolean operators (AND, OR, NOT)?
- How do I restrict my search to specific subsets of records such as those from a specific organism, molecule type, source database, genomic or cDNA library name or properties?
- How do I analyze the sequence data directly or find additional related data?
- How can I search for a sub-sequence, or pattern in a protein or nucleotide sequence?
- How can I locate and highlight a biological feature in a protein or nucleotide sequence?
- Entrez Nucleotide and Entrez Protein FAQs
- Search Field Descriptions for Sequence Database
- Entrez Sequences HelpEntrez Sequences HelpBookself
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