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Notes: Members of DRA family are boxed and bolded. a Abbreviations: ce, Caenorhabditis elegans; dm, Drosophila melanogaster; ec, Escherichia coli; hs, Homo sapiens; sc, Saccharomyces cerevisiae; pf, Pyrococcus furiosus. b Sequence ID refers to the protein sequence taken from the UniProt Knowledgebase (www.uniprot.org). c PDB Code refers to the structures available from Protein Data Bank (www.rcsb.org).
