>sp|Q4JBY3|QUEC_SULAC 7-cyano-7-deazaguanine synthase OS=Sulfolobus acidocaldarius GN=queC
MCSVTGVLILNPHNYKEIEKKLAKILIRAEDRGRDSFGIVVIQKDGSTKSSKHVGKPSLQ
EEKLYGILDENSKVVIANNRAEPTTEYVRRKTENDIQPFEGERFVVTHNGIIANDMELEK
KYKVSKLSRIDSSVLPPVLDRSWNGNLDSLSEILNSIRGSFALVIGDKKNPDRIFIAQNF
KPVYMMYDRDLGAVFFTSLDDYFDATELDNVTKLDPYSVVMVDDKLEIRKVPLLKEKNKK
RILVVASGGLDSTVAATYLVRQGHEVTLLHFNYHHKAEEKEREAVRKISEYLNVPFVEID
TDLFKIVGHSTLIKGSSGEIVKDRKGEEGAEFAHEWVPARNLIFFSVALAMAEAYGFDAI
ASGINLEEAGAYPDNEMEFVRMFSRLVPYAVGPNKKVEVLMPVGNLVKHEIVKLGVQIDA
PLHLTWSCYEGGNKHCGKCGPCYMRKVAFEVNGLKDPVEYEA