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QUEC_IDILO
ID   QUEC_IDILO              Reviewed;         218 AA.
AC   Q5QUZ6;
DT   25-JUL-2006, integrated into UniProtKB/Swiss-Prot.
DT   04-JAN-2005, sequence version 1.
DT   03-AUG-2022, entry version 95.
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=IL0914;
OS   Idiomarina loihiensis (strain ATCC BAA-735 / DSM 15497 / L2-TR).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Idiomarinaceae; Idiomarina.
OX   NCBI_TaxID=283942;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-735 / DSM 15497 / L2-TR;
RX   PubMed=15596722; DOI=10.1073/pnas.0407638102;
RA   Hou S., Saw J.H., Lee K.S., Freitas T.A., Belisle C., Kawarabayasi Y.,
RA   Donachie S.P., Pikina A., Galperin M.Y., Koonin E.V., Makarova K.S.,
RA   Omelchenko M.V., Sorokin A., Wolf Y.I., Li Q.X., Keum Y.S., Campbell S.,
RA   Denery J., Aizawa S., Shibata S., Malahoff A., Alam M.;
RT   "Genome sequence of the deep-sea gamma-proteobacterium Idiomarina
RT   loihiensis reveals amino acid fermentation as a source of carbon and
RT   energy.";
RL   Proc. Natl. Acad. Sci. U.S.A. 101:18036-18041(2004).
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; AE017340; AAV81754.1; -; Genomic_DNA.
DR   RefSeq; WP_011234165.1; NC_006512.1.
DR   AlphaFoldDB; Q5QUZ6; -.
DR   SMR; Q5QUZ6; -.
DR   STRING; 283942.IL0914; -.
DR   EnsemblBacteria; AAV81754; AAV81754; IL0914.
DR   KEGG; ilo:IL0914; -.
DR   eggNOG; COG0603; Bacteria.
DR   HOGENOM; CLU_081854_1_0_6; -.
DR   OMA; QDPIKYV; -.
DR   OrthoDB; 1681374at2; -.
DR   UniPathway; UPA00391; -.
DR   Proteomes; UP000001171; 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; Reference proteome; Zinc.
FT   CHAIN           1..218
FT                   /note="7-cyano-7-deazaguanine synthase"
FT                   /id="PRO_0000246854"
FT   BINDING         9..19
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01633"
FT   BINDING         185
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01633"
FT   BINDING         193
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01633"
FT   BINDING         196
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01633"
FT   BINDING         199
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01633"
SQ   SEQUENCE   218 AA;  23809 MW;  8A5E045CFAEB4673 CRC64;
     MSQKVVVIYS GGMDSFTVLH RALAEGNEVL ALSFNYGQRH VKELEVAGNV CKQHGIPHKV
     VDITAINSLL SGSSLTDDID IPEGHYEEES MKSTVVPNRN MILLSLAIGY AVSEEASAVY
     YGAHSGDHAI YPDCRPEFVR QMDVVSKMAN YEPVAVHAPY LDVDKNAILA DGIKMGLDYS
     QTWTCYNGRD KACGKCGACQ ERLEAFAANG IEDPIAYE
 
 
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