>sp|B3EM61|HIS4_CHLPB 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Chlorobium phaeobacteroides (strain BS1) OX=331678 GN=hisA PE=3 SV=1 MLIIPAIDIKDGKCVRLTRGEFDKKKIYLDNPRDMAIIWRKQNAKMIHIVDLDAALTGKL VNFEKIREIVTDLDIPVQVGGGLRSVDAVEKYLDIGVSRVVIGSAAVTNPGLVEDLLKRY SPSQIVVGIDAENGIPKIKGWTESSGMQDYELALQMKKLGVKRIIYTDIACDGMMQGVGF ESTKRFVEKAGMRVTASGGVTGSEDLRKLQTLEKYGVDSVIIGKALYENNFSCQKLWYNF EKCIGIDCDFSTALKKECCS