ID   QUEF_BACP2              Reviewed;         165 AA.
AC   A8FCI2;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   13-NOV-2007, sequence version 1.
DT   02-SEP-2026, entry version 102.
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};
GN   OrderedLocusNames=BPUM_1266;
OS   Bacillus pumilus (strain SAFR-032).
OC   Bacteria; Bacillati; Bacillota; Bacilli; Caryophanales; Bacillaceae;
OC   Bacillus.
OX   NCBI_TaxID=315750;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SAFR-032;
RX   PubMed=17895969; DOI=10.1371/journal.pone.0000928;
RA   Gioia J., Yerrapragada S., Qin X., Jiang H., Igboeli O.C., Muzny D.,
RA   Dugan-Rocha S., Ding Y., Hawes A., Liu W., Perez L., Kovar C., Dinh H.,
RA   Lee S., Nazareth L., Blyth P., Holder M., Buhay C., Tirumalai M.R., Liu Y.,
RA   Dasgupta I., Bokhetache L., Fujita M., Karouia F., Eswara Moorthy P.,
RA   Siefert J., Uzman A., Buzumbo P., Verma A., Zwiya H., McWilliams B.D.,
RA   Olowu A., Clinkenbeard K.D., Newcombe D., Golebiewski L., Petrosino J.F.,
RA   Nicholson W.L., Fox G.E., Venkateswaran K., Highlander S.K.,
RA   Weinstock G.M.;
RT   "Paradoxical DNA repair and peroxide resistance gene conservation in
RT   Bacillus pumilus SAFR-032.";
RL   PLoS ONE 2:E928-E928(2007).
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         carbaguanine + 2 NADPH + 3 H(+); 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; CP000813; ABV61949.1; -; Genomic_DNA.
DR   RefSeq; WP_003211403.1; NC_009848.4.
DR   AlphaFoldDB; A8FCI2; -.
DR   SMR; A8FCI2; -.
DR   STRING; 315750.BPUM_1266; -.
DR   PaxDb; 315750-BPUM_1266; -.
DR   GeneID; 5620529; -.
DR   GeneID; 66362866; -.
DR   KEGG; bpu:BPUM_1266; -.
DR   eggNOG; COG0780; Bacteria.
DR   HOGENOM; CLU_102489_0_1_9; -.
DR   OrthoDB; 9795077at2; -.
DR   UniPathway; UPA00392; -.
DR   Proteomes; UP000001355; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0033739; F:preQ1 synthase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0008616; P:tRNA queuosine(34) 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; IPR050084; NADPH_dep_7-cyano-7-deazaG_red.
DR   InterPro; IPR029500; QueF.
DR   InterPro; IPR016856; QueF_type1.
DR   NCBIfam; TIGR03139; QueF-II; 1.
DR   PANTHER; PTHR34354; NADPH-DEPENDENT 7-CYANO-7-DEAZAGUANINE REDUCTASE; 1.
DR   PANTHER; PTHR34354:SF1; NADPH-DEPENDENT 7-CYANO-7-DEAZAGUANINE REDUCTASE; 1.
DR   Pfam; PF14489; QueF; 1.
DR   PIRSF; PIRSF027377; Nitrile_oxidored_QueF; 1.
DR   SUPFAM; SSF55620; Tetrahydrobiopterin biosynthesis enzymes-like; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; NADP; Oxidoreductase; Queuosine biosynthesis;
KW   Reference proteome.
FT   CHAIN           1..165
FT                   /note="NADPH-dependent 7-cyano-7-deazaguanine reductase"
FT                   /id="PRO_1000062376"
FT   ACT_SITE        56
FT                   /note="Thioimide intermediate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
FT   ACT_SITE        63
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
FT   BINDING         78..80
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
FT   BINDING         97..98
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
SQ   SEQUENCE   165 AA;  19347 MW;  A0B298E328368BE9 CRC64;
     MTTRKPEELE GVTLLGNQGT NYLFDYAPQV LETFPNKHTN RDYFVKFNCP EFTSLCPQTG
     QPDFATVYIS YIPNEIMVES KSLKLYLFSF RNHGDFHEDC MNIIMNDLIE LMDPRYIEVW
     GKFTPRGGIS IDPYTNYGKP GTKYEEMASY RMMNHDMYPE TIDNR
//