>sp|Q46891|OTNI_ECOLI 2-oxo-tetronate isomerase OS=Escherichia coli GN=otnI MPRFAANLSMMFTEVPFIERFAAARKAGFDAVEFLFPYNYSTLQIQKQLEQNHLTLALFN TAPGDINAGEWGLSALPGREHEAHADIDLALEYALALNCEQVHVMAGVVPAGEDAERYRA VFIDNIRYAADRFAPHGKRILVEALSPGVKPHYLFSSQYQALAIVEEVARDNVFIQLDTF HAQKVDGNLTHLIRDYAGKYAHVQIAGLPDRHEPDDGEINYPWLFRLFDEVGYQGWIGCE YKPRGLTEEGLGWFDAWR