Data sources for PRIDE identifications. 89% of all PRIDE identifications are annotated with protein identifiers coming from IPI, UniProt, NCBI or Ensembl. NCBI entries are NR Accessions, RefSeq accessions or gi numbers. The rest come from more specialized or proprietary databases.
Côté et al. BMC Bioinformatics 2007 8:401 doi:10.1186/1471-2105-8-401