>tr|Q3YWR4|Q3YWR4_SHISS Catabolite activator protein OS=Shigella sonnei GN=crp MVLGKPQTDPTLEWFLSHCHIHKYPSKSTLIHQGEKAETLYYIVKGSVAVLIKDEEGKEM ILSYLNQGDFIGELGLFEEGQERSAWVRAKTACEVAEISYKKFRQLIQVNPDILMRLSAQ MARRLQVTSEKVGNLAFLDVTGRIAQTLLNLAKQPDAMTHPDGMQIKITRQEIGQIVGCS RETVGRILKMLEDQNLISAHGKTIVVYGTR