QUEC_CHLP8
ID QUEC_CHLP8 Reviewed; 227 AA.
AC B3QPB3;
DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT 02-SEP-2008, sequence version 1.
DT 03-AUG-2022, entry version 73.
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=Cpar_1364;
OS Chlorobaculum parvum (strain DSM 263 / NCIMB 8327) (Chlorobium vibrioforme
OS subsp. thiosulfatophilum).
OC Bacteria; Chlorobi; Chlorobia; Chlorobiales; Chlorobiaceae; Chlorobaculum.
OX NCBI_TaxID=517417;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 263 / NCIMB 8327;
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Schmutz J., Larimer F., Land M.,
RA Hauser L., Kyrpides N., Mikhailova N., Zhao F., Li T., Liu Z., Overmann J.,
RA Bryant D.A., Richardson P.;
RT "Complete sequence of Chlorobaculum parvum NCIB 8327.";
RL Submitted (JUN-2008) 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; CP001099; ACF11766.1; -; Genomic_DNA.
DR RefSeq; WP_012502599.1; NC_011027.1.
DR AlphaFoldDB; B3QPB3; -.
DR SMR; B3QPB3; -.
DR STRING; 517417.Cpar_1364; -.
DR EnsemblBacteria; ACF11766; ACF11766; Cpar_1364.
DR KEGG; cpc:Cpar_1364; -.
DR eggNOG; COG0603; Bacteria.
DR HOGENOM; CLU_081854_1_0_10; -.
DR OMA; CESCMRR; -.
DR OrthoDB; 1681374at2; -.
DR UniPathway; UPA00391; -.
DR Proteomes; UP000008811; 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..227
FT /note="7-cyano-7-deazaguanine synthase"
FT /id="PRO_1000186573"
FT BINDING 7..17
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01633"
FT BINDING 187
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01633"
FT BINDING 195
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
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 201
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01633"
SQ SEQUENCE 227 AA; 24904 MW; DAF8BA3BD9BE7082 CRC64;
MKAVLLVSGG MDSLVATALA HHHGFELAAM HVNYGQRTWQ KELECFRQIC DHYGIEKRLE
IDAGFLGAIG GSSLTDAAIP VGPADLAGTD IPTSYVPFRN ANFLSMAVSW SEVIGANRIY
IGAVEEDSSG YPDCRKVFYD AFNQVIEHGT RPETSIEIVT PLIDMSKAEI VKRGMELDAP
FHFSWSCYKS EGKACGVCDS CARRLRAFAS VGIADPVEYE VRPDYLQ