Skip Header
Search in
Protein Knowledgebase (UniProtKB)Sequence Clusters (UniRef)Sequence Archive (UniParc)Literature citationsTaxonomyKeywordsSubcellular locationsHuman diseasesCross-referenced databasesNewsDocumentsUser manualFAQHelpAnnotation programs
Query
Advanced Search »Show advanced search optionsReset button
Sequence or UniProt identifier
Blast
Clear
« Options
Options »
For a sequence similarity search, enter: • a protein or nucleotide sequence • a UniProt identifier, e.g. P00750 or A4_HUMAN or UPI0000000001More...
P00750
A4_HUMAN
UPI0000000001
Sequences (in FASTA format) or UniProt identifiers
Align
To align several protein sequences, enter: • two or more sequences in FASTA format • two or more UniProt identifiers, e.g.: TPA_HUMAN TPA_PIGMore...
TPA_HUMAN
TPA_PIG
Program
UniProt identifiers
or file
Retrieve
Enter or upload a list of UniProt identifiers to download the corresponding entries, e.g.P00750A4_HUMANMore...
Database identifiers
From
Requires JavaScript
To
Map
Swap
To map identifiers to or from UniProtKB: • enter identifiers, e.g. 1TTA 1FNS • select a source database, e.g. PDB • select a target database, e.g. UniProtKBMore...
1TTA 1FNS
PDB
UniProtKB
0 selected:
Retrieve Align Blast Clear
SPECIES uncultured Nitratiruptor sp.
UniProtKB (0)
| 
Taxonomy help
UniProtKB (0)
| Taxonomy help
