Helpful Search Fields

• Properties field
• molecule type (e.g., biomol_genomic[prop])
• GenBank division (e.g., gbdiv_EST[prop])
• gene location (e.g., gene in mitochondrion[prop])
• source database (e.g., srcdb_refseq[prop])
• citation status (e.g., cit_inpress[prop])
• HTGS phase (e.g., htgs_phase3[prop])
• other features (e.g., partial[prop], complete[prop])
• submission types (e.g., population study[prop])
• see note below
• Feature Key (nucleotides only)
• Sequence Length
• Molecular Weight (proteins only)
• Organism (uses Taxonomy db)

A complete list of Search Fields and Qualifiers is available in the Summary Matrices file associated with the Entrez Help Document.

Note about Properties field:

The most commonly used properties are shown on the Limits page as check boxes or in pop-up menus (see Entrez Help doc for more details).

To see a complete list of properties, browse the index of that field in the database of interest. For example, select the Entrez CoreNucleotide database, follow the link for Preview/Index in the grey bar beneath the search box, select Properties from the Search Field pop-up menu, and press the Index button. Use the Up and Down buttons to scroll through the index.