ID   QUEF_BURCJ              Reviewed;         276 AA.
AC   B4EBB9;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   23-SEP-2008, sequence version 1.
DT   03-AUG-2022, entry version 71.
DE   RecName: Full=NADPH-dependent 7-cyano-7-deazaguanine reductase {ECO:0000255|HAMAP-Rule:MF_00817};
DE            EC=1.7.1.13 {ECO:0000255|HAMAP-Rule:MF_00817};
DE   AltName: Full=7-cyano-7-carbaguanine reductase {ECO:0000255|HAMAP-Rule:MF_00817};
DE   AltName: Full=NADPH-dependent nitrile oxidoreductase {ECO:0000255|HAMAP-Rule:MF_00817};
DE   AltName: Full=PreQ(0) reductase {ECO:0000255|HAMAP-Rule:MF_00817};
GN   Name=queF {ECO:0000255|HAMAP-Rule:MF_00817};
GN   OrderedLocusNames=BceJ2315_08580; ORFNames=BCAL0868;
OS   Burkholderia cenocepacia (strain ATCC BAA-245 / DSM 16553 / LMG 16656 /
OS   NCTC 13227 / J2315 / CF5610) (Burkholderia cepacia (strain J2315)).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Burkholderia; Burkholderia cepacia complex.
OX   NCBI_TaxID=216591;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-245 / DSM 16553 / LMG 16656 / NCTC 13227 / J2315 / CF5610;
RX   PubMed=18931103; DOI=10.1128/jb.01230-08;
RA   Holden M.T., Seth-Smith H.M., Crossman L.C., Sebaihia M., Bentley S.D.,
RA   Cerdeno-Tarraga A.M., Thomson N.R., Bason N., Quail M.A., Sharp S.,
RA   Cherevach I., Churcher C., Goodhead I., Hauser H., Holroyd N., Mungall K.,
RA   Scott P., Walker D., White B., Rose H., Iversen P., Mil-Homens D.,
RA   Rocha E.P., Fialho A.M., Baldwin A., Dowson C., Barrell B.G., Govan J.R.,
RA   Vandamme P., Hart C.A., Mahenthiralingam E., Parkhill J.;
RT   "The genome of Burkholderia cenocepacia J2315, an epidemic pathogen of
RT   cystic fibrosis patients.";
RL   J. Bacteriol. 191:261-277(2009).
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_00817}.
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_00817};
CC   -!- PATHWAY: tRNA modification; tRNA-queuosine biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00817}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00817}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00817}.
CC   -!- SIMILARITY: Belongs to the GTP cyclohydrolase I family. QueF type 2
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_00817}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; AM747720; CAR51174.1; -; Genomic_DNA.
DR   RefSeq; WP_006487889.1; NC_011000.1.
DR   AlphaFoldDB; B4EBB9; -.
DR   SMR; B4EBB9; -.
DR   STRING; 216591.BCAL0868; -.
DR   EnsemblBacteria; CAR51174; CAR51174; BCAL0868.
DR   KEGG; bcj:BCAL0868; -.
DR   eggNOG; COG0780; Bacteria.
DR   eggNOG; COG2904; Bacteria.
DR   HOGENOM; CLU_054738_0_0_4; -.
DR   OMA; QCVERIY; -.
DR   OrthoDB; 1525536at2; -.
DR   BioCyc; BCEN216591:G1G1V-963-MON; -.
DR   UniPathway; UPA00392; -.
DR   Proteomes; UP000001035; Chromosome 1.
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; -; 2.
DR   HAMAP; MF_00817; QueF_type2; 1.
DR   InterPro; IPR043133; GTP-CH-I_C/QueF.
DR   InterPro; IPR029500; QueF.
DR   InterPro; IPR029139; QueF_N.
DR   InterPro; IPR016428; QueF_type2.
DR   Pfam; PF14489; QueF; 1.
DR   Pfam; PF14819; QueF_N; 1.
DR   PIRSF; PIRSF004750; Nitrile_oxidored_YqcD_prd; 1.
DR   TIGRFAMs; TIGR03138; QueF; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; NADP; Oxidoreductase; Queuosine biosynthesis.
FT   CHAIN           1..276
FT                   /note="NADPH-dependent 7-cyano-7-deazaguanine reductase"
FT                   /id="PRO_1000193215"
FT   ACT_SITE        183
FT                   /note="Thioimide intermediate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT   ACT_SITE        190
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT   BINDING         80..82
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT   BINDING         82..83
FT                   /ligand="NADPH"
FT                   /ligand_id="ChEBI:CHEBI:57783"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT   BINDING         222..223
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT   BINDING         251..252
FT                   /ligand="NADPH"
FT                   /ligand_id="ChEBI:CHEBI:57783"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
SQ   SEQUENCE   276 AA;  30631 MW;  1977431C1DC456D4 CRC64;
     MNPEQSPLGK ATVYAAQYDA SLLFPIPRAG AREQLGITSA LPFFGTDIWN AYELSWLNAR
     GKPQVAIATF YVPAESPNIV ESKSFKLYLG SFAQSKFDSV DAVRDVLKRD VSAACGASVS
     VQLVSAHDFR KLEMDELDGL SLDRLDLDAD VYEPDPSLLS AADGEDEAPV EETLVSDLLR
     SNCPVTGQPD WGSVQIHYVG PQIDHAGLLR YIISFRNHTG FHEQCVERIF LDIMRACKPV
     KLAVYARYTR RGGLDINPFR TNYNQPMPDN ARTARQ