>sp|Q57L55|GRCA_SALCH Autonomous glycyl radical cofactor OS=Salmonella choleraesuis GN=grcA MITGIQITKAANDDLLNSFWLLDSEKGEARCIVAKSGFAEDEVVAVSKLGEIEYREIPME VKPEVRVEGGQHLNVNVLRRETLEDAVKHPEKYPQLTIRVSGYAVRFNSLTPEQQRDVIA RTFTESL