ID   QUEF_STAES              Reviewed;         166 AA.
AC   Q8CTG5;
DT   22-NOV-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2003, sequence version 1.
DT   03-AUG-2022, entry version 111.
DE   RecName: Full=NADPH-dependent 7-cyano-7-deazaguanine reductase {ECO:0000255|HAMAP-Rule:MF_00818};
DE            EC=1.7.1.13 {ECO:0000255|HAMAP-Rule:MF_00818};
DE   AltName: Full=7-cyano-7-carbaguanine reductase {ECO:0000255|HAMAP-Rule:MF_00818};
DE   AltName: Full=NADPH-dependent nitrile oxidoreductase {ECO:0000255|HAMAP-Rule:MF_00818};
DE   AltName: Full=PreQ(0) reductase {ECO:0000255|HAMAP-Rule:MF_00818};
GN   Name=queF {ECO:0000255|HAMAP-Rule:MF_00818}; OrderedLocusNames=SE_0510;
OS   Staphylococcus epidermidis (strain ATCC 12228 / FDA PCI 1200).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=176280;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 12228 / FDA PCI 1200;
RX   PubMed=12950922; DOI=10.1046/j.1365-2958.2003.03671.x;
RA   Zhang Y.-Q., Ren S.-X., Li H.-L., Wang Y.-X., Fu G., Yang J., Qin Z.-Q.,
RA   Miao Y.-G., Wang W.-Y., Chen R.-S., Shen Y., Chen Z., Yuan Z.-H.,
RA   Zhao G.-P., Qu D., Danchin A., Wen Y.-M.;
RT   "Genome-based analysis of virulence genes in a non-biofilm-forming
RT   Staphylococcus epidermidis strain (ATCC 12228).";
RL   Mol. Microbiol. 49:1577-1593(2003).
CC   -!- FUNCTION: Catalyzes the NADPH-dependent reduction of 7-cyano-7-
CC       deazaguanine (preQ0) to 7-aminomethyl-7-deazaguanine (preQ1).
CC       {ECO:0000255|HAMAP-Rule:MF_00818}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=7-aminomethyl-7-carbaguanine + 2 NADP(+) = 7-cyano-7-
CC         deazaguanine + 3 H(+) + 2 NADPH; Xref=Rhea:RHEA:13409,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:45075, ChEBI:CHEBI:57783,
CC         ChEBI:CHEBI:58349, ChEBI:CHEBI:58703; EC=1.7.1.13;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00818};
CC   -!- PATHWAY: tRNA modification; tRNA-queuosine biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00818}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00818}.
CC   -!- SIMILARITY: Belongs to the GTP cyclohydrolase I family. QueF type 1
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_00818}.
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DR   EMBL; AE015929; AAO04107.1; -; Genomic_DNA.
DR   RefSeq; NP_764065.1; NC_004461.1.
DR   RefSeq; WP_001832596.1; NZ_WBME01000015.1.
DR   AlphaFoldDB; Q8CTG5; -.
DR   SMR; Q8CTG5; -.
DR   STRING; 176280.SE_0510; -.
DR   EnsemblBacteria; AAO04107; AAO04107; SE_0510.
DR   GeneID; 50019343; -.
DR   KEGG; sep:SE_0510; -.
DR   PATRIC; fig|176280.10.peg.482; -.
DR   eggNOG; COG0780; Bacteria.
DR   HOGENOM; CLU_102489_0_1_9; -.
DR   OMA; LECKEFT; -.
DR   UniPathway; UPA00392; -.
DR   Proteomes; UP000001411; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0046857; F:oxidoreductase activity, acting on other nitrogenous compounds as donors, with NAD or NADP as acceptor; IEA:InterPro.
DR   GO; GO:0033739; F:preQ1 synthase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0008616; P:queuosine biosynthetic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.30.1130.10; -; 1.
DR   HAMAP; MF_00818; QueF_type1; 1.
DR   InterPro; IPR043133; GTP-CH-I_C/QueF.
DR   InterPro; IPR029500; QueF.
DR   InterPro; IPR016856; QueF_type1.
DR   Pfam; PF14489; QueF; 1.
DR   PIRSF; PIRSF027377; Nitrile_oxidored_QueF; 1.
DR   TIGRFAMs; TIGR03139; QueF-II; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; NADP; Oxidoreductase; Queuosine biosynthesis.
FT   CHAIN           1..166
FT                   /note="NADPH-dependent 7-cyano-7-deazaguanine reductase"
FT                   /id="PRO_0000163000"
FT   ACT_SITE        57
FT                   /note="Thioimide intermediate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
FT   ACT_SITE        64
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
FT   BINDING         79..81
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
FT   BINDING         98..99
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
SQ   SEQUENCE   166 AA;  19740 MW;  87C05862950418CE CRC64;
     MTQGRQKDEL KDITLLGNQN NTYEFDYRPE VLETFDNKHQ GRDYFVKFNC PEFTSLCPIT
     GQPDFATIYI SYIPNIKMVE SKSLKLYLFS FRNHGDFHED CMNIIMNDLI NLMDPHYIEV
     WGKFTPRGGI SIDPYTNYGR PDTKYEKMAE HRLMNHDMYP EKIDNR