QUEF_ANASK
ID QUEF_ANASK Reviewed; 122 AA.
AC B4UI08;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 23-SEP-2008, sequence version 1.
DT 03-AUG-2022, entry version 70.
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=AnaeK_4219;
OS Anaeromyxobacter sp. (strain K).
OC Bacteria; Proteobacteria; Deltaproteobacteria; Myxococcales;
OC Cystobacterineae; Anaeromyxobacteraceae; Anaeromyxobacter;
OC unclassified Anaeromyxobacter.
OX NCBI_TaxID=447217;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=K;
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., Saunders E., Brettin T., Detter J.C.,
RA Han C., Larimer F., Land M., Hauser L., Kyrpides N., Ovchinnikiva G.,
RA Beliaev A.;
RT "Complete sequence of Anaeromyxobacter sp. K.";
RL Submitted (AUG-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; CP001131; ACG75422.1; -; Genomic_DNA.
DR AlphaFoldDB; B4UI08; -.
DR SMR; B4UI08; -.
DR EnsemblBacteria; ACG75422; ACG75422; AnaeK_4219.
DR KEGG; ank:AnaeK_4219; -.
DR HOGENOM; CLU_102489_1_0_7; -.
DR OMA; LECKEFT; -.
DR UniPathway; UPA00392; -.
DR Proteomes; UP000001871; 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..122
FT /note="NADPH-dependent 7-cyano-7-deazaguanine reductase"
FT /id="PRO_1000134290"
FT ACT_SITE 34
FT /note="Thioimide intermediate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
FT ACT_SITE 41
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
FT BINDING 56..58
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
FT BINDING 75..76
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00818"
SQ SEQUENCE 122 AA; 13700 MW; 01C81A29DCFD9678 CRC64;
MPTQPSRDLQ TFPNPKPGRP FEIAMECPEF TCVCPMTGQP DFATIRLRYV PAERCVELKS
LKLYLWSFRN EGTFHEAVTN RICDDLVAAL APRWIEVVGD FAVRGGIHTV VTARHGERPA
GV
