QUEF_METEP
ID QUEF_METEP Reviewed; 153 AA.
AC A9W6G8;
DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 05-FEB-2008, sequence version 1.
DT 03-AUG-2022, entry version 83.
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=Mext_2783;
OS Methylorubrum extorquens (strain PA1) (Methylobacterium extorquens).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC Methylobacteriaceae; Methylorubrum.
OX NCBI_TaxID=419610;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PA1;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA Tice H., Pitluck S., Saunders E., Brettin T., Bruce D., Detter J.C.,
RA Han C., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Kim E.,
RA Marx C., Richardson P.;
RT "Complete sequence of Methylobacterium extorquens PA1.";
RL Submitted (DEC-2007) 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; CP000908; ABY31174.1; -; Genomic_DNA.
DR RefSeq; WP_012254142.1; NC_010172.1.
DR AlphaFoldDB; A9W6G8; -.
DR SMR; A9W6G8; -.
DR STRING; 419610.Mext_2783; -.
DR EnsemblBacteria; ABY31174; ABY31174; Mext_2783.
DR KEGG; mex:Mext_2783; -.
DR eggNOG; COG0780; Bacteria.
DR HOGENOM; CLU_102489_0_1_5; -.
DR OMA; LECKEFT; -.
DR BioCyc; MEXT419610:MEXT_RS14040-MON; -.
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; -; 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..153
FT /note="NADPH-dependent 7-cyano-7-deazaguanine reductase"
FT /id="PRO_1000213093"
FT REGION 1..30
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 1..20
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 51
FT /note="Thioimide intermediate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
FT ACT_SITE 58
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
FT BINDING 73..75
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
FT BINDING 92..93
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
SQ SEQUENCE 153 AA; 17129 MW; 81380DD3012F8344 CRC64;
MDSIETHAKQ LGQQTPLPAS PEAAQLDRVP NPHADTDYLA RFTAPEFTSL CPVTGQPDFA
TLVIDYVPDR WLVESKSLKL YLGAFRNHGA FHEDCTVGIG RRLVALLEPR WLRIGGYWYP
RGGIPIDVFW QTGEPLKSVW LPDQGVAPYR GRG