QUEF_RICTY
ID QUEF_RICTY Reviewed; 272 AA.
AC Q68XU6;
DT 22-NOV-2005, integrated into UniProtKB/Swiss-Prot.
DT 11-OCT-2004, sequence version 1.
DT 03-AUG-2022, entry version 105.
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=RT0060;
OS Rickettsia typhi (strain ATCC VR-144 / Wilmington).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Rickettsiales;
OC Rickettsiaceae; Rickettsieae; Rickettsia; typhus group.
OX NCBI_TaxID=257363;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC VR-144 / Wilmington;
RX PubMed=15317790; DOI=10.1128/jb.186.17.5842-5855.2004;
RA McLeod M.P., Qin X., Karpathy S.E., Gioia J., Highlander S.K., Fox G.E.,
RA McNeill T.Z., Jiang H., Muzny D., Jacob L.S., Hawes A.C., Sodergren E.,
RA Gill R., Hume J., Morgan M., Fan G., Amin A.G., Gibbs R.A., Hong C.,
RA Yu X.-J., Walker D.H., Weinstock G.M.;
RT "Complete genome sequence of Rickettsia typhi and comparison with sequences
RT of other Rickettsiae.";
RL J. Bacteriol. 186:5842-5855(2004).
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; AE017197; AAU03546.1; -; Genomic_DNA.
DR RefSeq; WP_011190533.1; NC_006142.1.
DR AlphaFoldDB; Q68XU6; -.
DR SMR; Q68XU6; -.
DR STRING; 257363.RT0060; -.
DR EnsemblBacteria; AAU03546; AAU03546; RT0060.
DR KEGG; rty:RT0060; -.
DR eggNOG; COG0780; Bacteria.
DR eggNOG; COG2904; Bacteria.
DR HOGENOM; CLU_054738_0_0_5; -.
DR OMA; QCVERIY; -.
DR OrthoDB; 1525536at2; -.
DR UniPathway; UPA00392; -.
DR Proteomes; UP000000604; 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..272
FT /note="NADPH-dependent 7-cyano-7-deazaguanine reductase"
FT /id="PRO_0000163055"
FT ACT_SITE 178
FT /note="Thioimide intermediate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT ACT_SITE 185
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT BINDING 80..82
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT BINDING 82..83
FT /ligand="NADPH"
FT /ligand_id="ChEBI:CHEBI:57783"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT BINDING 217..218
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT BINDING 246..247
FT /ligand="NADPH"
FT /ligand_id="ChEBI:CHEBI:57783"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
SQ SEQUENCE 272 AA; 31096 MW; 3B97D9947018FD9F CRC64;
MPLSTSLLGK KSTYKDSYDA TLLFKIPRIN NRNVLGINNN LPFYGVDIWN TYEISCLNKN
GKPLVGIGTF YIPADSENIV ESKSFKLYLN SFNNFIVKSI EELEQIILQD LSNVTCAKVT
GRIFPINTKI EFGIPSGKNI DNLDIVCNNY GPPDNSLIEY EDVLVEEEIH SNLLKSNCLV
TGQPDWGTIV IKYKGKKLKY DSFLRYLISF RNCNEFAEQC AERIFIDIKN AINLDFLSIY
IVYTRRGGID ICPYRSTDKS YALPSNKRFI RQ
