>tr|A0A1X3I454|A0A1X3I454_ECOLX Autonomous glycyl radical cofactor OS=Escherichia coli M056 GN=grcA MITGIQITKAANDDLLNSFWLLDSEKGEARCIVAKAGFAEDEVVAVSKLGDIEYREVPVE VKPEVRVEGGQHLNVNVLRRETLEDAVKHPEKYPQLTIRVSGYAVRFNSLTPEQQRDVIA RTFTESL