The SwissProt sequence database is a high quality manually annotated database that is continuously reviewed to ensure high quality. TrEMBL is a computer-annotated supplement of SwissProt that contains all the translations of public nucleotide sequence databases (EMBL, GenBank, DDBJ). For more detail about the contents of these databases, please read https://www.uniprot.org/help/uniprotkb sections, UniProt databases can be found at http://www.uniprot.org, and full proteome databases can be download at https://www.uniprot.org/proteomes/.

A typical UniProt title line in a FASTA file follows:

>sp|P02768|ALBU_HUMAN Albumin OS=Homo sapiens OX=9606 GN=ALB PE=1 SV=2