QUEC_ACIAC
ID QUEC_ACIAC Reviewed; 235 AA.
AC A1TIG3;
DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT 06-FEB-2007, sequence version 1.
DT 03-AUG-2022, entry version 86.
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=Aave_0139;
OS Acidovorax citrulli (strain AAC00-1) (Acidovorax avenae subsp. citrulli).
OC Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC Comamonadaceae; Acidovorax.
OX NCBI_TaxID=397945;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=AAC00-1;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Dalin E., Tice H., Pitluck S., Kiss H., Brettin T.,
RA Bruce D., Han C., Tapia R., Gilna P., Schmutz J., Larimer F., Land M.,
RA Hauser L., Kyrpides N., Kim E., Stahl D., Richardson P.;
RT "Complete sequence of Acidovorax avenae subsp. citrulli AAC00-1.";
RL Submitted (DEC-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000512; ABM30751.1; -; Genomic_DNA.
DR RefSeq; WP_011793329.1; NC_008752.1.
DR AlphaFoldDB; A1TIG3; -.
DR SMR; A1TIG3; -.
DR STRING; 397945.Aave_0139; -.
DR EnsemblBacteria; ABM30751; ABM30751; Aave_0139.
DR KEGG; aav:Aave_0139; -.
DR eggNOG; COG0603; Bacteria.
DR HOGENOM; CLU_081854_0_0_4; -.
DR OMA; CESCMRR; -.
DR OrthoDB; 1681374at2; -.
DR UniPathway; UPA00391; -.
DR Proteomes; UP000002596; 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..235
FT /note="7-cyano-7-deazaguanine synthase"
FT /id="PRO_0000336882"
FT BINDING 10..20
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01633"
FT BINDING 198
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01633"
FT BINDING 213
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01633"
FT BINDING 216
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01633"
FT BINDING 219
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01633"
SQ SEQUENCE 235 AA; 25879 MW; BD84D34E395D90C1 CRC64;
MRAGHALVLF SGGQDSTTCL AWALERFERV ETIGFDYGQR HHVELEARTA VLAALRGRFP
AWSARLGDDH MVDLAVLGQI SDTALTRDTA IQMTEAGLPN TFVPGRNLLF FQLAAAVGYR
RGLHTLVGGM CETDFSGYPD CRDDTLKALQ VALSLGMGQR FTIETPLMWI DKAETWEMAR
QLGGDELVQL IVEDTHTCYH GVRGALHAWG HGCGECPACA LRRAGHERWT AQHTA
