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