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Cross-references in UniProtKB

The cross-references section of UniProtKB entries displays explicit and implicit links to databases such as nucleotide sequence databases, model organism databases and genomics and proteomics resources. A single entry can have cross-references to several dozen different databases and have several hundred individual links.

UniProt web page: Cross-referenced databases
User manual: Cross-references

How frequently is UniProt released? What is the synchronization delay with other databases?

Cross-references for isoform sequences

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