>sp|B2TYK2|GRCA_SHIB3 Autonomous glycyl radical cofactor OS=Shigella boydii serotype 18 GN=grcA MITGIQITKAANDDLLNSFWLLDSEKGEARCIVAKAGYAEDEVVAVSKLGDIEYREVPVE VKPEVRVEGGQHLNVNVLRRETLEDAVKHPEKYPQLTIRVSGYAVRFNSLTPEQQRDVIA RTFTESL