>sp|Q213Y7|QUEC_RHOPB 7-cyano-7-deazaguanine synthase OS=Rhodopseudomonas palustris GN=queC MSQILQHDAALVLFSGGQDSATCLAWTLSRFARVETLGFDYGQRHAVELDCRDRLIDGLK QIHPDWANKLGDAHTLSIPTLATISDTALTRDVAIAMGADGLPNTFVPGRNLLFLTFAAA LAYRRGIGGLVGGMCETDYSGYPDCRDATLKALTTALNLGMATDFELHTPLMWRDKAATW ALAQDLGGDALVDLIREHSHTCYLGERGARHDWGYGCGECPACQLRAKGWREYREAGTAT