>tr|Q31VT1|Q31VT1_SHIBS Catabolite activator protein OS=Shigella boydii serotype 4 GN=crp MVLGKPQTDPTLEWFLSHCHIHKYPSKSTLIHQGEKAETLYYIVKGSVAVLIKDEEGKEM ILSYLNQGDFIGELGLFEEGQERSAWVRAKTACEVAEISYKKFRQLIQVNPDILMRLSAQ MARRLQVTSEKVGNLAFLDVTGRIAQTLLNLAKQPDAMTHPDGMQIKITRQEIGQIVGCS RETVGRILKMLEDQNLISAHGKTIVVYGTR