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A database of MHC-peptide interactions
Genome Biology volume 1, Article number: reports203 (2000)
SYFPEITHI, a database of interactions between proteins of the major histocompatibility complex (MHC) and antigenic peptides, contains information on MHC-associated peptide sequences, anchor positions, MHC molecule specificities and references to the published literature.
SYFPEITHI, a database of interactions between proteins of the major histocompatibility complex (MHC) and antigenic peptides, contains information on MHC-associated peptide sequences, anchor positions, MHC molecule specificities and references to the published literature. It is named after one of the first defined MHC-bound epitopes, a peptide that bound to the MHC molecule H2-Kd. The database 'search' functions include epitope prediction and the retrieval of sequences on the basis of mass spectrometry data. The site also permits searching for epitopes associated with MHC molecules of known peptide-binding motif and allows for the definition of such motifs from sequence or mass spectrometry data.
Navigation is easy. Each page links back to the referring page, and clicking the brightly coloured moose on each page returns the reader to the site's entry page. The site's simplicity obviates the need for a search function. All you need to know is whether you want to find a motif or predict an epitope and the remainder of the site is then tuned to the appropriate activity.
It is hard to estimate the timeliness of the site as none of the pages has a date stamp, nor is there an obvious or explicit list of motif references from which one could gauge the timeliness of the collection.
Motif assignment is accurate, but as the collection of alleles represented is not complete, it would be unwise to be too reliant on it for motif predictions. Epitope prediction is equally good, although the ability to search for ranges of peptide length all at once, rather than in a stepwise manner, would be useful.
Some assistance on the use of the site, and in particular in the 'Find your motif' section, would be helpful for first-time users, as would some measure of the regularity of updating of the database.
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Thorpe, C. A database of MHC-peptide interactions. Genome Biol 1, reports203 (2000). https://doi.org/10.1186/gb-2000-1-1-reports203