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QUEF_ACIF2
ID   QUEF_ACIF2              Reviewed;         141 AA.
AC   B7J648;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   03-AUG-2022, entry version 69.
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=AFE_0752;
OS   Acidithiobacillus ferrooxidans (strain ATCC 23270 / DSM 14882 / CIP 104768
OS   / NCIMB 8455) (Ferrobacillus ferrooxidans (strain ATCC 23270)).
OC   Bacteria; Proteobacteria; Acidithiobacillia; Acidithiobacillales;
OC   Acidithiobacillaceae; Acidithiobacillus.
OX   NCBI_TaxID=243159;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 23270 / DSM 14882 / CIP 104768 / NCIMB 8455;
RX   PubMed=19077236; DOI=10.1186/1471-2164-9-597;
RA   Valdes J., Pedroso I., Quatrini R., Dodson R.J., Tettelin H., Blake R. II,
RA   Eisen J.A., Holmes D.S.;
RT   "Acidithiobacillus ferrooxidans metabolism: from genome sequence to
RT   industrial applications.";
RL   BMC Genomics 9:597-597(2008).
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; CP001219; ACK79812.1; -; Genomic_DNA.
DR   RefSeq; WP_012536332.1; NC_011761.1.
DR   AlphaFoldDB; B7J648; -.
DR   SMR; B7J648; -.
DR   STRING; 243159.AFE_0752; -.
DR   PaxDb; B7J648; -.
DR   EnsemblBacteria; ACK79812; ACK79812; AFE_0752.
DR   GeneID; 66431909; -.
DR   KEGG; afr:AFE_0752; -.
DR   eggNOG; COG0780; Bacteria.
DR   HOGENOM; CLU_102489_1_0_6; -.
DR   OMA; LECKEFT; -.
DR   OrthoDB; 1675155at2; -.
DR   UniPathway; UPA00392; -.
DR   Proteomes; UP000001362; 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..141
FT                   /note="NADPH-dependent 7-cyano-7-deazaguanine reductase"
FT                   /id="PRO_1000134288"
FT   ACT_SITE        34
FT                   /note="Thioimide intermediate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
FT   ACT_SITE        41
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
FT   BINDING         56..58
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
FT   BINDING         75..76
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
SQ   SEQUENCE   141 AA;  16512 MW;  D2D82085AE39FFB3 CRC64;
     MPSQPSRELE RFSNPHPERD YVVHMDLPEF TCLCPLTGQP DFAHFMLDFI PDQHNVELKS
     LKLYLWSFRD EGAFHEAMTN RIADDLIGLI NPRYLRLLGR WYVRGGITTD VLIEHRQPGW
     QNPDILGQLP TVRWAQHQPG H
 
 
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