>sp|Q72DS5|AHBA_DESVH Siroheme decarboxylase alpha subunit OS=Desulfovibrio vulgaris GN=ahbA MTEAHNACCHPSGTAAGHHGAGKASTDMMDAVDRRLLDIIQTGFPIEPRPYAVLGETLGI TECEALARVRALRERKVIRRLGANFDSWKLGFRSTLCAAKVPEDRIDAFVAEVNRHVNVT HNYLRNHEYNIWFTCICPSWEQVCSLLDGITERTGIPILNLPATKLYKIRVDFRMD