ID   QUEF_ACIET              Reviewed;         281 AA.
AC   B9MDS3;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   24-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 65.
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}; OrderedLocusNames=Dtpsy_2647;
OS   Acidovorax ebreus (strain TPSY) (Diaphorobacter sp. (strain TPSY)).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Comamonadaceae; Diaphorobacter.
OX   NCBI_TaxID=535289;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=TPSY;
RG   US DOE Joint Genome Institute;
RA   Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Tice H., Bruce D.,
RA   Goodwin L., Pitluck S., Chertkov O., Brettin T., Detter J.C., Han C.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Coates J.D.;
RT   "Complete sequence of Diaphorobacter sp. TPSY.";
RL   Submitted (JAN-2009) 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_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; CP001392; ACM34082.1; -; Genomic_DNA.
DR   RefSeq; WP_015913989.1; NC_011992.1.
DR   AlphaFoldDB; B9MDS3; -.
DR   SMR; B9MDS3; -.
DR   STRING; 535289.Dtpsy_2647; -.
DR   PRIDE; B9MDS3; -.
DR   EnsemblBacteria; ACM34082; ACM34082; Dtpsy_2647.
DR   KEGG; dia:Dtpsy_2647; -.
DR   eggNOG; COG0780; Bacteria.
DR   eggNOG; COG2904; Bacteria.
DR   HOGENOM; CLU_054738_0_0_4; -.
DR   OMA; QCVERIY; -.
DR   OrthoDB; 1525536at2; -.
DR   UniPathway; UPA00392; -.
DR   Proteomes; UP000000450; 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; -; 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..281
FT                   /note="NADPH-dependent 7-cyano-7-deazaguanine reductase"
FT                   /id="PRO_1000148656"
FT   ACT_SITE        188
FT                   /note="Thioimide intermediate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT   ACT_SITE        195
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT   BINDING         81..83
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT   BINDING         83..84
FT                   /ligand="NADPH"
FT                   /ligand_id="ChEBI:CHEBI:57783"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT   BINDING         227..228
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT   BINDING         256..257
FT                   /ligand="NADPH"
FT                   /ligand_id="ChEBI:CHEBI:57783"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
SQ   SEQUENCE   281 AA;  31706 MW;  6098199782549D64 CRC64;
     MNTPEHSQLG KASAYADQYD ASLLFPIPRA DKRAEIGIDG NAPFFGADLW TAFELSWLNL
     RGKPQVAIAH ITVPCETPHI VESKSFKLYL NSFNNTRFGD ASEVQARLRA DISEAVWRGA
     PHPATVGVKL IAPELFDQEP VHELDGLSLD RLDVECTRYQ PAPDLLTATF NEAPVTETLT
     SNLLKSNCLV TGQPDWGSVQ ISYSGPQINQ EGLLQYLVSF RNHNEFHEQC VERIFMDLWT
     RCKPIKLKVY ARYTRRGGLD INPWRTSHPQ TMPKNVRTAR Q