>sp|A8GI38|GRCA_SERP5 Autonomous glycyl radical cofactor OS=Serratia proteamaculans GN=grcA MITGIQITKANDQALVNSFWLLDDEKSEARCVCAKANYAEDQVVPVSELGQIEYREVPLE MQSTVRVEGGQHLNVNVLRRETLEDAVKHPEKYPQLTIRVSGYAVRFNSLTPEQQRDVIT RTFTESL