ID   QUEC_HELAH              Reviewed;         225 AA.
AC   Q17XR6;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   25-JUL-2006, sequence version 1.
DT   03-AUG-2022, entry version 92.
DE   RecName: Full=7-cyano-7-deazaguanine synthase {ECO:0000255|HAMAP-Rule:MF_01633};
DE            EC=6.3.4.20 {ECO:0000255|HAMAP-Rule:MF_01633};
DE   AltName: Full=7-cyano-7-carbaguanine synthase {ECO:0000255|HAMAP-Rule:MF_01633};
DE   AltName: Full=PreQ(0) synthase {ECO:0000255|HAMAP-Rule:MF_01633};
DE   AltName: Full=Queuosine biosynthesis protein QueC {ECO:0000255|HAMAP-Rule:MF_01633};
GN   Name=queC {ECO:0000255|HAMAP-Rule:MF_01633}; OrderedLocusNames=Hac_0767;
OS   Helicobacter acinonychis (strain Sheeba).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Helicobacteraceae; Helicobacter.
OX   NCBI_TaxID=382638;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Sheeba;
RX   PubMed=16789826; DOI=10.1371/journal.pgen.0020120;
RA   Eppinger M., Baar C., Linz B., Raddatz G., Lanz C., Keller H., Morelli G.,
RA   Gressmann H., Achtman M., Schuster S.C.;
RT   "Who ate whom? Adaptive Helicobacter genomic changes that accompanied a
RT   host jump from early humans to large felines.";
RL   PLoS Genet. 2:1097-1110(2006).
CC   -!- FUNCTION: Catalyzes the ATP-dependent conversion of 7-carboxy-7-
CC       deazaguanine (CDG) to 7-cyano-7-deazaguanine (preQ(0)).
CC       {ECO:0000255|HAMAP-Rule:MF_01633}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=7-carboxy-7-deazaguanine + ATP + NH4(+) = 7-cyano-7-
CC         deazaguanine + ADP + H(+) + H2O + phosphate; Xref=Rhea:RHEA:27982,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:28938,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:43474, ChEBI:CHEBI:45075,
CC         ChEBI:CHEBI:61036, ChEBI:CHEBI:456216; EC=6.3.4.20;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01633};
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01633};
CC       Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_01633};
CC   -!- PATHWAY: Purine metabolism; 7-cyano-7-deazaguanine biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_01633}.
CC   -!- SIMILARITY: Belongs to the QueC family. {ECO:0000255|HAMAP-
CC       Rule:MF_01633}.
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DR   EMBL; AM260522; CAJ99560.1; -; Genomic_DNA.
DR   RefSeq; WP_011577673.1; NC_008229.1.
DR   AlphaFoldDB; Q17XR6; -.
DR   SMR; Q17XR6; -.
DR   STRING; 382638.Hac_0767; -.
DR   EnsemblBacteria; CAJ99560; CAJ99560; Hac_0767.
DR   KEGG; hac:Hac_0767; -.
DR   eggNOG; COG0603; Bacteria.
DR   HOGENOM; CLU_081854_0_0_7; -.
DR   OMA; CESCMRR; -.
DR   OrthoDB; 1681374at2; -.
DR   BioCyc; HACI382638:HAC_RS03320-MON; -.
DR   UniPathway; UPA00391; -.
DR   Proteomes; UP000000775; Chromosome.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0016879; F:ligase activity, forming carbon-nitrogen bonds; IEA:UniProtKB-UniRule.
DR   GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0008616; P:queuosine biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd01995; ExsB; 1.
DR   Gene3D; 3.40.50.620; -; 1.
DR   HAMAP; MF_01633; QueC; 1.
DR   InterPro; IPR018317; QueC.
DR   InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR   PANTHER; PTHR42914; PTHR42914; 1.
DR   Pfam; PF06508; QueC; 1.
DR   PIRSF; PIRSF006293; ExsB; 1.
DR   TIGRFAMs; TIGR00364; TIGR00364; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Ligase; Metal-binding; Nucleotide-binding;
KW   Queuosine biosynthesis; Zinc.
FT   CHAIN           1..225
FT                   /note="7-cyano-7-deazaguanine synthase"
FT                   /id="PRO_1000069770"
FT   BINDING         10..20
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01633"
FT   BINDING         190
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01633"
FT   BINDING         205
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01633"
FT   BINDING         208
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01633"
FT   BINDING         211
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01633"
SQ   SEQUENCE   225 AA;  25204 MW;  4B9AC918A376ADBD CRC64;
     MGQEICVISF SGGQDSTTLA IWAAKRFKKV YLVGFDYAQK HSVELECAQK IASLLKLPYE
     IIQLDFLENI THSALFKNSN DLIGHSHVQN KDLPNSFVPN RNAIFITLLH SYAQKLGANN
     IALGVSQADF SGYPDCKEDF IKSIEHALNL GSNTTIKIVT PLMFLSKAQE FQMAKDLGAL
     DLIIKETHTC YQGERKILHA YGYGCGECLA CQLRKKGYEE FQARF