>sp|Q59039|QUEE_METJA 7-carboxy-7-deazaguanine synthase OS=Methanocaldococcus jannaschii GN=queE MIREIFNSIMGEGKYIGRRFIFVRFAGCPLNCVYCDEESKGYFNRVEKIPGSGEFETLQK MEIEDIINAIDKLKTPDLFAVSFTGGEPLLYHKQIKEIAEILKDKGYRTFLESNGMFPER IFYFDIASIDIKLKEHFEYIKDEDYEKLYKNELKTIKKLYNLNSDIYAKVVIMEETNIED VKIIAKDLSDIGNITLCIQPVTPHGNIKSPSQRKLFEIMEACGEYLKDNVMLTIQMHKYL GML