QUEF_HYDCU
ID QUEF_HYDCU Reviewed; 277 AA.
AC Q31DJ4;
DT 25-JUL-2006, integrated into UniProtKB/Swiss-Prot.
DT 06-DEC-2005, sequence version 1.
DT 03-AUG-2022, entry version 110.
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=Tcr_2191;
OS Hydrogenovibrio crunogenus (strain DSM 25203 / XCL-2) (Thiomicrospira
OS crunogena).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Thiotrichales;
OC Piscirickettsiaceae; Hydrogenovibrio.
OX NCBI_TaxID=317025;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 25203 / XCL-2;
RX PubMed=17105352; DOI=10.1371/journal.pbio.0040383;
RA Scott K.M., Sievert S.M., Abril F.N., Ball L.A., Barrett C.J., Blake R.A.,
RA Boller A.J., Chain P.S.G., Clark J.A., Davis C.R., Detter C., Do K.F.,
RA Dobrinski K.P., Faza B.I., Fitzpatrick K.A., Freyermuth S.K., Harmer T.L.,
RA Hauser L.J., Huegler M., Kerfeld C.A., Klotz M.G., Kong W.W., Land M.,
RA Lapidus A., Larimer F.W., Longo D.L., Lucas S., Malfatti S.A., Massey S.E.,
RA Martin D.D., McCuddin Z., Meyer F., Moore J.L., Ocampo L.H. Jr., Paul J.H.,
RA Paulsen I.T., Reep D.K., Ren Q., Ross R.L., Sato P.Y., Thomas P.,
RA Tinkham L.E., Zeruth G.T.;
RT "The genome of deep-sea vent chemolithoautotroph Thiomicrospira crunogena
RT XCL-2.";
RL PLoS Biol. 4:1-17(2006).
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}.
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DR EMBL; CP000109; ABB42779.1; -; Genomic_DNA.
DR RefSeq; WP_011371600.1; NC_007520.2.
DR AlphaFoldDB; Q31DJ4; -.
DR SMR; Q31DJ4; -.
DR STRING; 317025.Tcr_2191; -.
DR EnsemblBacteria; ABB42779; ABB42779; Tcr_2191.
DR KEGG; tcx:Tcr_2191; -.
DR eggNOG; COG0780; Bacteria.
DR eggNOG; COG2904; Bacteria.
DR HOGENOM; CLU_054738_0_0_6; -.
DR OMA; QCVERIY; -.
DR OrthoDB; 1525536at2; -.
DR UniPathway; UPA00392; -.
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..277
FT /note="NADPH-dependent 7-cyano-7-deazaguanine reductase"
FT /id="PRO_0000247723"
FT ACT_SITE 185
FT /note="Thioimide intermediate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT ACT_SITE 192
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT BINDING 86..88
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT BINDING 88..89
FT /ligand="NADPH"
FT /ligand_id="ChEBI:CHEBI:57783"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT BINDING 224..225
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT BINDING 253..254
FT /ligand="NADPH"
FT /ligand_id="ChEBI:CHEBI:57783"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
SQ SEQUENCE 277 AA; 31843 MW; 1CC818B8C7AFA05C CRC64;
MTKPTSTADK SLLGQTTPYC QAYDPTILFP IPRQEKRDEL GFDLKTLPFT GEDVWTGYEI
SWLNLKGKPQ VGWAEFVFSA EAPNLIESKS FKLYLNSFNG TRFESEDAVI ACWQNDLSQA
CGKPVGVRFY RLDESIVLQG NLPGHCLDAL DIEVEDYQVN PDLLHTDSDQ IVSETLNSHL
LKSNCLVTGQ PDWGSIVVRY EGAQINHEAL LKYLISFREH NEFHEQCVER VFTDIMRFCQ
PKKLTVYARY LRRGGLDINP YRSNYEQVFD RARLVRQ
