>sp|Q8TX58|QUEE_METKA 7-carboxy-7-deazaguanine synthase OS=Methanopyrus kandleri (strain AV19 / DSM 6324 / JCM 9639 / NBRC 100938) OX=190192 GN=queE PE=3 SV=1 MGTGGRGRPTPGLNVYEVFLSLQGEGKFVGEPQAFVRFSGCNLRCAYCDEPASRSSRRRA LIRRVSGEVELELPVPCGPEDVVEVLVELEDLEDTFGTVSLTGGEPLVQPWGALKELIER LRERGFRVLLETNASLPDRAPLIDELADVVSADVKLPSHGPNMDDFPDRCLRFLERISAE VYAKVVLVDEECYQHAESALKGLHRLGVEPIYLQPATGSEHDLEDLWELAGLVNADVRVL PQVHKLVDFIPR