QUEF_CHLL3
ID QUEF_CHLL3 Reviewed; 116 AA.
AC Q3B2F0;
DT 25-JUL-2006, integrated into UniProtKB/Swiss-Prot.
DT 22-NOV-2005, sequence version 1.
DT 03-AUG-2022, entry version 99.
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=Plut_1627;
OS Chlorobium luteolum (strain DSM 273 / BCRC 81028 / 2530) (Pelodictyon
OS luteolum).
OC Bacteria; Chlorobi; Chlorobia; Chlorobiales; Chlorobiaceae;
OC Chlorobium/Pelodictyon group; Pelodictyon.
OX NCBI_TaxID=319225;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 273 / BCRC 81028 / 2530;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA Hammon N., Israni S., Pitluck S., Bryant D., Schmutz J., Larimer F.,
RA Land M., Kyrpides N., Ivanova N., Richardson P.;
RT "Complete sequence of Pelodictyon luteolum DSM 273.";
RL Submitted (AUG-2005) 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; CP000096; ABB24481.1; -; Genomic_DNA.
DR RefSeq; WP_011358353.1; NC_007512.1.
DR AlphaFoldDB; Q3B2F0; -.
DR SMR; Q3B2F0; -.
DR STRING; 319225.Plut_1627; -.
DR EnsemblBacteria; ABB24481; ABB24481; Plut_1627.
DR KEGG; plt:Plut_1627; -.
DR eggNOG; COG0780; Bacteria.
DR HOGENOM; CLU_102489_1_0_10; -.
DR OMA; LECKEFT; -.
DR OrthoDB; 1675155at2; -.
DR UniPathway; UPA00392; -.
DR Proteomes; UP000002709; 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.
FT CHAIN 1..116
FT /note="NADPH-dependent 7-cyano-7-deazaguanine reductase"
FT /id="PRO_0000247687"
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; 13195 MW; 1F11D3B3BC568095 CRC64;
MKQEILEVFD NTYPDRDYTI EIVNPEFTSV CPKTGLPDFG TITVSYIPDK TCIELKSLKY
YFLEFRNAGI FYENVTNRIL DDLVAVSSPR SMTVRTEWKA RGGITETVTV SHNASA
