ID   QUEF_RHIEC              Reviewed;         154 AA.
AC   Q2K5P8;
DT   25-JUL-2006, integrated into UniProtKB/Swiss-Prot.
DT   07-MAR-2006, sequence version 1.
DT   03-AUG-2022, entry version 109.
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=RHE_CH03071;
OS   Rhizobium etli (strain CFN 42 / ATCC 51251).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Rhizobium/Agrobacterium group; Rhizobium.
OX   NCBI_TaxID=347834;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CFN 42 / ATCC 51251;
RX   PubMed=16505379; DOI=10.1073/pnas.0508502103;
RA   Gonzalez V., Santamaria R.I., Bustos P., Hernandez-Gonzalez I.,
RA   Medrano-Soto A., Moreno-Hagelsieb G., Janga S.C., Ramirez M.A.,
RA   Jimenez-Jacinto V., Collado-Vides J., Davila G.;
RT   "The partitioned Rhizobium etli genome: genetic and metabolic redundancy in
RT   seven interacting replicons.";
RL   Proc. Natl. Acad. Sci. U.S.A. 103:3834-3839(2006).
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; CP000133; ABC91838.1; -; Genomic_DNA.
DR   RefSeq; WP_011426308.1; NC_007761.1.
DR   AlphaFoldDB; Q2K5P8; -.
DR   SMR; Q2K5P8; -.
DR   STRING; 347834.RHE_CH03071; -.
DR   EnsemblBacteria; ABC91838; ABC91838; RHE_CH03071.
DR   GeneID; 61481502; -.
DR   KEGG; ret:RHE_CH03071; -.
DR   eggNOG; COG0780; Bacteria.
DR   HOGENOM; CLU_102489_0_1_5; -.
DR   OMA; LECKEFT; -.
DR   UniPathway; UPA00392; -.
DR   Proteomes; UP000001936; 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;
KW   Reference proteome.
FT   CHAIN           1..154
FT                   /note="NADPH-dependent 7-cyano-7-deazaguanine reductase"
FT                   /id="PRO_0000247690"
FT   REGION          1..26
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        1..22
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        52
FT                   /note="Thioimide intermediate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
FT   ACT_SITE        59
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
FT   BINDING         74..76
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
FT   BINDING         93..94
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
SQ   SEQUENCE   154 AA;  17303 MW;  7F686DB893F14A62 CRC64;
     MPNTDVSSLS MLGHQTETAS SPEEAVLEKV PSNHAGTDYV VRFTAPEFTS LCPMTGQPDF
     AHIVIDYIPG EWLVESKSLK LFLHSFRNHG AFHEDCSIYI AKRIVELLDP KWLRIGAYWY
     PRGGIPIDVF WQTGKPPEGV WLPEQGVATY RGRG