Provides functionalities to translate gene or protein identifiers between state-of-art biological databases: CARD (https://card.mcmaster.ca/), NCBI Protein, Nucleotide and Gene (https://www.ncbi.nlm.nih.gov/), UniProt (https://www.uniprot.org/) and KEGG (https://www.kegg.jp). Also offers complementary functionality like NCBI identical proteins or UniProt similar genes clusters retrieval.