>tr|E2QQ39|E2QQ39_ECOLX Autonomous glycyl radical cofactor OS=Escherichia coli GN=grcA MITGIQITKAANDDLLNSFWLLDSEKGEARCIVAKAGFAEDEVVAVSKLGDIEYREVPVE VKPEVRVEGGQHLNVNVLRRETLEDAVKHPEKYPQLTIRVSGYAVRFNSLTPEQQRDVIA RTFTESL