QUEF_LEGPC
ID QUEF_LEGPC Reviewed; 285 AA.
AC A5IGU1;
DT 05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT 26-JUN-2007, 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_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=LPC_2678;
OS Legionella pneumophila (strain Corby).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Legionellales;
OC Legionellaceae; Legionella.
OX NCBI_TaxID=400673;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Corby;
RA Gloeckner G., Albert-Weissenberger C., Weinmann E., Jacobi S., Schunder E.,
RA Steinert M., Buchrieser C., Hacker J., Heuner K.;
RT "Identification and characterization of a new conjugation/ type IVA
RT secretion system (trb/tra) of L. pneumophila Corby localized on a mobile
RT genomic island.";
RL Submitted (NOV-2006) 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_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; CP000675; ABQ56591.1; -; Genomic_DNA.
DR RefSeq; WP_011945780.1; NC_009494.2.
DR AlphaFoldDB; A5IGU1; -.
DR SMR; A5IGU1; -.
DR KEGG; lpc:LPC_2678; -.
DR HOGENOM; CLU_054738_0_0_6; -.
DR OMA; QCVERIY; -.
DR BioCyc; LPNE400673:LPC_RS03545-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; -; 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..285
FT /note="NADPH-dependent 7-cyano-7-deazaguanine reductase"
FT /id="PRO_1000062347"
FT ACT_SITE 191
FT /note="Thioimide intermediate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT ACT_SITE 198
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT BINDING 91..93
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT BINDING 93..94
FT /ligand="NADPH"
FT /ligand_id="ChEBI:CHEBI:57783"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT BINDING 230..231
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT BINDING 259..260
FT /ligand="NADPH"
FT /ligand_id="ChEBI:CHEBI:57783"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
SQ SEQUENCE 285 AA; 32712 MW; ED596B6219951435 CRC64;
MNKELESIYQ NIANQSELGQ TANYDSYYNP KRLYPIPRAP KRQEINLDPN STTFYGFDCW
NHYEVSWLNS KGKPVVAMAV ISYDCHSPCI IESKSLKLYF NSLNNSTFPD VETVVQTISK
DLSYCIGSEV AVNVYPLSDI PNQTIYAAFD GVCLDKLDIE CSVYHVMPDF LSTSSELVEE
VLYSDLLKSN CLVTNQPDWG SVQIIYKGKK INHEGLLKYL ISFRNHNEFH EQCIERIFAD
IMRFCQPESL TVYGRYTRRG GLDINPIRST EPCAFDGQNI RLIRQ