QUEF_CHLT3
ID QUEF_CHLT3 Reviewed; 116 AA.
AC B3QYB6;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 02-SEP-2008, 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=Ctha_2633;
OS Chloroherpeton thalassium (strain ATCC 35110 / GB-78).
OC Bacteria; Chlorobi; Chlorobia; Chlorobiales; Chlorobiaceae; Chloroherpeton.
OX NCBI_TaxID=517418;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 35110 / GB-78;
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Schmutz J., Larimer F., Land M.,
RA Hauser L., Kyrpides N., Mikhailova N., Liu Z., Li T., Zhao F., Overmann J.,
RA Bryant D.A., Richardson P.;
RT "Complete sequence of Chloroherpeton thalassium ATCC 35110.";
RL Submitted (JUN-2008) 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; CP001100; ACF15082.1; -; Genomic_DNA.
DR RefSeq; WP_012501164.1; NC_011026.1.
DR AlphaFoldDB; B3QYB6; -.
DR SMR; B3QYB6; -.
DR STRING; 517418.Ctha_2633; -.
DR EnsemblBacteria; ACF15082; ACF15082; Ctha_2633.
DR KEGG; cts:Ctha_2633; -.
DR eggNOG; COG0780; Bacteria.
DR HOGENOM; CLU_102489_1_0_10; -.
DR OMA; LECKEFT; -.
DR OrthoDB; 1675155at2; -.
DR UniPathway; UPA00392; -.
DR Proteomes; UP000001208; 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_1000134300"
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; 13410 MW; 21E9EE2127FDF460 CRC64;
MKPELLETFE NQYPNRDYTI EIVNPEFTSV CPKTGLPDFG TITLQYIPNK LCVELKSLKY
YYLEFRNAGI FYENVTNKIL DDLVKAVKPK EMKIISEWKA RGGITTTVTA SYEAEK
