ID   QUEF_CHLPD              Reviewed;         116 AA.
AC   A1BDZ0;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 1.
DT   03-AUG-2022, entry version 92.
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=Cpha266_0561;
OS   Chlorobium phaeobacteroides (strain DSM 266).
OC   Bacteria; Chlorobi; Chlorobia; Chlorobiales; Chlorobiaceae;
OC   Chlorobium/Pelodictyon group; Chlorobium.
OX   NCBI_TaxID=290317;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 266;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Pitluck S., Goltsman E.,
RA   Schmutz J., Larimer F., Land M., Hauser L., Mikhailova N., Li T.,
RA   Overmann J., Bryant D.A., Richardson P.;
RT   "Complete sequence of Chlorobium phaeobacteroides DSM 266.";
RL   Submitted (DEC-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000492; ABL64617.1; -; Genomic_DNA.
DR   RefSeq; WP_011744450.1; NC_008639.1.
DR   AlphaFoldDB; A1BDZ0; -.
DR   SMR; A1BDZ0; -.
DR   STRING; 290317.Cpha266_0561; -.
DR   PRIDE; A1BDZ0; -.
DR   EnsemblBacteria; ABL64617; ABL64617; Cpha266_0561.
DR   KEGG; cph:Cpha266_0561; -.
DR   eggNOG; COG0780; Bacteria.
DR   HOGENOM; CLU_102489_1_2_10; -.
DR   OMA; LECKEFT; -.
DR   OrthoDB; 1675155at2; -.
DR   UniPathway; UPA00392; -.
DR   Proteomes; UP000008701; 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..116
FT                   /note="NADPH-dependent 7-cyano-7-deazaguanine reductase"
FT                   /id="PRO_1000062382"
FT   ACT_SITE        31
FT                   /note="Thioimide intermediate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
FT   ACT_SITE        38
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
FT   BINDING         53..55
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
FT   BINDING         72..73
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
SQ   SEQUENCE   116 AA;  13416 MW;  BBA7CF4E27C8676A CRC64;
     MKKEILEVFD NTFPGRDYTI EIVNPEFTSV CPITALPDFG TIIIRYIPDK SCVELKSLKY
     YFLEFRNAGI FYENITNTIL DDLTSVLQPR EMTVITQWKA RGGITETVSV TWPQKQ