>sp|C4L0V4|QUEC_EXISA 7-cyano-7-deazaguanine synthase OS=Exiguobacterium sp. GN=queC MQHEKALVVFSGGQDSTTCLFWAKQQFSHVEAVTFAYGQRHDAEIEVAKEIAAELDVPHH ILDLSLLGQLTSNALTRHDLDIDNADVPNTFVDGRNHLFLSFAAVMAKQLGMHHIVTGVC ETDFSGYPDCRDQFIKSLNVTLNLAMDYPFVIDTPLMWLDKKETWALADELGAFDYVKER TLTCYNGVIGSGCGECPACKLRQNGLTAYEEVRV