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Table 1 Statistics for the different sources of mappings.

From: SSMap: A new UniProt-PDB mapping resource for the curation of structural-related information in the UniProt/Swiss-Prot Knowledgebase

Data type\Mapping source

SSMap

DR PDB

SIFTS

PDBSWS

1. Number of mappings (AC, PDB chain)

91,050

78,238

84,398

93,167

2. Number of PDB chains mapped

90,923

77,711

84,398

93,141

  1. Mappings correspond to non-redundant pairs of UniProtKB accession number (AC) and PDB chain.