>tr|Q9HHN7|Q9HHN7_HALSA 7-carboxy-7-deazaguanine synthase OS=Halobacterium salinarum GN=queE
MPVSETTDRQASNGGDGPALPINELFYSLQGEGKLAGTPSVFVRTSGCNLRCWFCDSYHT
SWEPTHATMSVDDIIAEVQSYEHADHVVLTGGEPLLHDDAVVLLDRLAALGYHTTVETNG
TIHRDAPIDLASVSPKLASSTPTAETDPKGDGEWAARHDARRIDVATLGALADDYDTQLK
FVVTDPSDMPEIESLLAEIRTATDTRIGDEDVVLMPEGTTHAELDARRNEVATLAMEHGY
RYTPRLHVALWNDAPET