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Table 1 Key to nomenclaturea used

From: Inter-genomic displacement via lateral gene transfer of bacterial trp operons in an overall context of vertical genealogy

New gene name Prior gene name Protein domain encoded
trpAa trpE Anthranilate synthase: aminase subunit (α)
trpAb trpG Anthranilate synthase: amidotransferase subunit (β)
trpB trpD Anthranilate phosphoribosyl transferase
trpC trpF Phosphoribosyl-anthranilate isomerase
trpD trpC Indoleglycerol phosphate synthase
trpEa trpA Tryptophan synthase, α subunit
trpEb trpB Tryptophan synthase, β subunit
  1. aThe nomenclature is at the level of catalytic domain in the order of reaction steps in the pathway. See [6] for a detailed rationale supporting the new nomenclature. Overall reactions of tight complexes are assigned one capital letter, with α and β subunits assigned the corresponding lowercase 'a' and 'b' respectively. The convention of a bullet denotes a fusion, for example, trpDtrpC.