QUEF_HISS2
ID QUEF_HISS2 Reviewed; 279 AA.
AC B0UU49;
DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT 08-APR-2008, sequence version 1.
DT 03-AUG-2022, entry version 73.
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=HSM_1326;
OS Histophilus somni (strain 2336) (Haemophilus somnus).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC Pasteurellaceae; Histophilus.
OX NCBI_TaxID=228400;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=2336;
RG US DOE Joint Genome Institute;
RA Siddaramappa S., Duncan A.J., Challacombe J.F., Rainey D., Gillaspy A.F.,
RA Carson M., Gipson J., Gipson M., Bruce D., Detter J.C., Han C.S., Land M.,
RA Tapia R., Thompson L.S., Orvis J., Zaitshik J., Barnes G., Brettin T.S.,
RA Dyer D.W., Inzana T.J.;
RT "Complete sequence of Haemophilus somnus 2336.";
RL Submitted (FEB-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_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; CP000947; ACA31061.1; -; Genomic_DNA.
DR RefSeq; WP_012340484.1; NC_010519.1.
DR AlphaFoldDB; B0UU49; -.
DR SMR; B0UU49; -.
DR STRING; 228400.HSM_1326; -.
DR EnsemblBacteria; ACA31061; ACA31061; HSM_1326.
DR KEGG; hsm:HSM_1326; -.
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..279
FT /note="NADPH-dependent 7-cyano-7-deazaguanine reductase"
FT /id="PRO_1000083827"
FT ACT_SITE 187
FT /note="Thioimide intermediate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT ACT_SITE 194
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 226..227
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT BINDING 255..256
FT /ligand="NADPH"
FT /ligand_id="ChEBI:CHEBI:57783"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
SQ SEQUENCE 279 AA; 32729 MW; 5BE27F4B3DE8AC2B CRC64;
MQYHDQSLQT LKLGKKTEYI STYDRTLLQA VPRKLNRDDL GISTKQPFSF GADIWTAYEI
SWLNLKGVPQ VAIADVEIDY QSENLIESKS FKLYLNSFNQ SQFENLQQVE QILQQDLIKC
AKGQVKVRLN SLQNYAQQPI ATLQGECIDE QDIEILCYEF DPNLLENCTN KQWVEEKLVS
HLLKSNCLIT NQPDWGTVQI HYIGNQINRE KLLRYLISFR QHNEFHEQCV ERIFCDLMKF
AQPEKLSVYA RYTRRGGLDI NPFRSNFEPI PLNQRLARQ