>sp|B7LDH2|GRCA_ECO55 Autonomous glycyl radical cofactor OS=Escherichia coli GN=grcA MITGIQITKAANDDLLNSFWLLDSEKGEARCIVAKAGYAEDEVVAVSKLGDIEYREVPVE VKPEVRVEGGQHLNVNVLRRETLEDAVKHPEKYPQLTIRVSGYAVRFNSLTPEQQRDVIA RTFTESL