>sp|B5EK18|TRPB_ACIF5 Tryptophan synthase beta chain OS=Acidithiobacillus ferrooxidans GN=trpB MGTYALPDAFGHYGPYGGRFVAETLIPALEELERAYQEAQRDPEFRAELHSELRQFVGRP NPLYHAGRLSRELGGAQIYLKREDLNHTGAHKINNAVGQALLARRMGKKRVIAETGAGQH GVATATVATRYGMECLVYMGEEDIQRQSSNVFRMRLLGAQVTAVSSGTRTLKDALNEALR DWVTNVESTFYVIGTVAGPHPYPVMVRDFHRVIGDEARAQCLELTGRLPDCLIACVGGGS NAIGLFYPFIEDRAVRMIGVEAGGLGLGTGQHAAPLTTGRPGVLHGNRTYLMEDEDGQIL PTHSISAGLDYPGVGPEHAYLKDTGRAEYVAATDEEALAAFHRLCRTEGIIPALESAHAL AHAFRLAPTMRSDQTIIVNLSGRGDKDIHTVAALEGIHL