{"field":"accession","example":"accession:P62988","description":"The old behaviour was to list all entries with primary or secondary accession number\n P62988. The new behaviour will list all primary / canonical isoform \naccessions P62988. To search over secondary accessions, we have \nintroduced the sec_acc field."}
{"field":"active","example":"active:false","description":"Lists all obsolete entries."}
{"field":"Refer to the page: Sequence Annotations","example":"","description":"Lists all entries with:any general annotation (comments [CC]) any sequence annotation (features [FT])at least one amino acid modified with a Pyrrolidone carboxylic acid group"}
{"field":"lit_author","example":"lit_author:ashburner","description":"Lists all entries with at least one reference co-authored by Michael Ashburner."}
{"field":"protein_name","example":"protein_name:CD233","description":"Lists all entries whose cluster of differentiation number is CD233 (see cdlist.txt)."}
{"field":"chebi","example":"chebi:18420","description":"Lists all entries which are associated with the small molecule corresponding to ChEBI identifier 18420, Mg(2+) (see How can I search UniProt for chemical or reaction data?)."}
{"field":"uniprot_id (/uniref), then uniref_cluster_90 (/uniprotkb)","example":"uniprot_id:A5YMT3 to find cluster UniRef90_P00395uniref_cluster_90:UniRef90_P00395","description":"Find all entries in the UniRef 90% identity cluster whose representative sequence is UniProtKB entry A5YMT3 (about UniRef)."}
{"field":"xrefcount_pdb (or xref_count)","example":"xref_count_pdb:[20 TO *]","description":"Lists all entries with 20 or more cross-references to PDB"}
{"field":"date_created","example":"date_created:[2012-10-01 TO *]","description":"Lists all entries created since October 1st 2012."}
{"field":"database, xref","example":"database:pfamxref:pdb-1aut","description":"Lists all entries with:a cross-reference to the Pfam databasea cross-reference to the PDB database entry 1aut (see Databases cross-referenced in UniProtKB and Database mapping)"}
{"field":"ec","example":"ec:3.2.1.23","description":"Lists all beta-galactosidases (Enzyme nomenclature database)."}
{"field":"Refer to the pages: Comments or Sequence Annotations","example":"","description":"Lists all entries with: a signal sequence whose positions have been experimentally proven experimentally proven phosphoserine sites a function manually asserted according to rules(see Evidence attribution)"}
{"field":"existence","example":"existence:3","description":"See Protein existence criteria."}
{"field":"family","example":"family:serpin","description":"Lists all entries belonging to the Serpin family of proteins (Index of protein domains and families)."}
{"field":"fragment","example":"fragment:true","description":"Lists all entries with an incomplete sequence."}
{"field":"gene","example":"gene:HPSE","description":"Lists all entries for proteins encoded by gene HPSE, but also by HPSE2."}
{"field":"gene_exact","example":"gene_exact:HPSE","description":"Lists all entries for proteins encoded by gene HPSE, but excluding variations like HPSE2 or HPSE_0."}
{"field":"go","example":"go:0015629)","description":"Lists all entries associated with the GO term Actin cytoskeleton and any subclasses"}
{"field":"virus_host_name, virus_host_id","example":"virus_host_id:10090","description":"Lists all entries for viruses infecting Mus musculus (Mouse)"}
{"field":"accession_id","example":"accession_id:P00750","description":"Returns the entry with the primary accession number P00750."}
{"field":"inchikey","example":"inchikey:WQZGKKKJIJFFOK-GASJEMHNSA-N","description":"Returns entries associated with the small molecule identified by the InChIKey WQZGKKKJIJFFOK-GASJEMHNSA-N, i.e. D-glucopyranose (see How can I search UniProt for chemical or reaction data?). To get the CHEBI identifier for an Inchikey value, one can now use the advanced search builder."}
{"field":"protein_name","example":"protein_name:Anakinra","description":"Lists all entries whose protein name includes the \"International Nonproprietary Name\" is Anakinra."}
{"field":"interactor","example":"interactor:P00520","description":"Lists all entries describing interactions with the protein described by entry P00520."}
{"field":"keyword","example":"keyword:toxinkeyword:KW-0800","description":"Lists all entries associated with a keyword matching \"Toxin\" in its name or description (UniProtKB Keywords). Lists all entries associated with the UniProtKB keyword Toxin."}
{"field":"length","example":"length:[500 TO 700]","description":"Lists all entries describing sequences of length between 500 and 700 residues."}
{"field":"mass","example":"mass:[500000 TO *]","description":"Lists all entries describing sequences with a mass of at least 500,000 Da."}
{"field":"cc_mass_spectrometry","example":"cc_mass_spectrometry:maldi","description":"Lists all entries for proteins identified by: matrix-assisted laser desorption/ionization (MALDI), crystallography (X-Ray). The method field searches names of physico-chemical identification methods in the 'Biophysicochemical properties' subsection of the 'Function' section, the 'Publications' and 'Cross-references' sections."}
{"field":"date_modified","example":"modified:[2012-01-01 TO 2019-03-01] AND active:true","description":"Lists all active entries that were last modified between January and March 2019."}
{"field":"protein_name","example":"protein_name:\"prion protein\"","description":"Lists all entries for prion proteins."}
{"field":"organelle","example":"organelle:Mitochondrion","description":"Lists all entries for proteins encoded by a gene of the mitochondrial chromosome."}
{"field":"organism_name, organism_id","example":"organism_name:\"Ovis aries\"organism_id:9940organism_name:sheep","description":"Lists all entries for proteins expressed in sheep (first 2 examples) and organisms whose name contains the term \"sheep\" (UniProt taxonomy)."}
{"field":"plasmid","example":"plasmid:ColE1","description":"Lists all entries for proteins encoded by a gene of plasmid ColE1 (Controlled vocabulary of plasmids)."}
{"field":"proteome","example":"proteome:UP000005640","description":"Lists all entries from the human proteome."}
{"field":"proteomecomponent","example":"proteomecomponent:\"chromosome 1\" AND organism_id:9606","description":"Lists all entries from the human chromosome 1."}
{"field":"sec_acc","example":"sec_acc:P02023","description":"Lists all entries that were created from a merge with entry P02023 (see FAQ)."}
{"field":"reviewed","example":"reviewed:true","description":"Lists all UniProtKB/Swiss-Prot entries (about UniProtKB)."}
{"field":"scope","example":"scope:mutagenesis","description":"Lists all entries containing a reference that was used to gather information about mutagenesis (Entry view: \"Cited for\", See 'Publications' section of the user manual)."}
{"field":"sec_acc","example":"sec_acc:P62988","description":"Lists all entries containing a secondary accession P62988."}
{"field":"sequence","example":"accession:P05067-9 AND is_isoform:true","description":"Lists all entries containing a link to isoform 9 of the sequence \ndescribed in entry P05067. Allows searching by specific sequence \nidentifier."}
{"field":"date_sequence_modified","example":"date_sequence_modified:[2012-01-01 TO 2012-03-01]date_sequence_modified:[2012-01-01 TO 2012-03-01]","description":"Lists all entries whose sequences were last modified between January and March 2012.Lists all UniProtKB/Swiss-Prot entries whose sequences were modified after the start of 2012."}
{"field":"strain","example":"strain:wistar","description":"Lists all entries containing a reference relevant to strain wistar (Lists of strains in reference comments and Taxonomy help: organism strains)."}
{"field":"taxonomy_name, taxonomy_id","example":"taxonomy_name:mammaltaxonomy_id:40674","description":"Lists all entries for proteins expressed in Mammals. This field is used to retrieve entries for all organisms classified below a given taxonomic node (taxonomy classification)."}
{"field":"tissue","example":"tissue:liver","description":"Lists all entries containing a reference describing the protein sequence obtained from a clone isolated from liver (Controlled vocabulary of tissues)."}
{"field":"cc_webresource","example":"cc_webresource:wikipedia","description":"Lists all entries for proteins that are described in Wikipedia."}