QUEF_PSYA2
ID QUEF_PSYA2 Reviewed; 285 AA.
AC Q4FUL7;
DT 22-NOV-2005, integrated into UniProtKB/Swiss-Prot.
DT 30-AUG-2005, sequence version 1.
DT 03-AUG-2022, entry version 117.
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=Psyc_0428;
OS Psychrobacter arcticus (strain DSM 17307 / VKM B-2377 / 273-4).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Moraxellales; Moraxellaceae;
OC Psychrobacter.
OX NCBI_TaxID=259536;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 17307 / VKM B-2377 / 273-4;
RX PubMed=20154119; DOI=10.1128/aem.02101-09;
RA Ayala-del-Rio H.L., Chain P.S., Grzymski J.J., Ponder M.A., Ivanova N.,
RA Bergholz P.W., Di Bartolo G., Hauser L., Land M., Bakermans C.,
RA Rodrigues D., Klappenbach J., Zarka D., Larimer F., Richardson P.,
RA Murray A., Thomashow M., Tiedje J.M.;
RT "The genome sequence of Psychrobacter arcticus 273-4, a psychroactive
RT Siberian permafrost bacterium, reveals mechanisms for adaptation to low-
RT temperature growth.";
RL Appl. Environ. Microbiol. 76:2304-2312(2010).
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; CP000082; AAZ18291.1; -; Genomic_DNA.
DR RefSeq; WP_011279727.1; NC_007204.1.
DR AlphaFoldDB; Q4FUL7; -.
DR SMR; Q4FUL7; -.
DR STRING; 259536.Psyc_0428; -.
DR PRIDE; Q4FUL7; -.
DR EnsemblBacteria; AAZ18291; AAZ18291; Psyc_0428.
DR KEGG; par:Psyc_0428; -.
DR eggNOG; COG0780; Bacteria.
DR eggNOG; COG2904; Bacteria.
DR HOGENOM; CLU_054738_0_0_6; -.
DR OMA; EGRQIDR; -.
DR OrthoDB; 1525536at2; -.
DR UniPathway; UPA00392; -.
DR Proteomes; UP000000546; 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;
KW Reference proteome.
FT CHAIN 1..285
FT /note="NADPH-dependent 7-cyano-7-deazaguanine reductase"
FT /id="PRO_0000163050"
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 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 231..232
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
FT BINDING 260..261
FT /ligand="NADPH"
FT /ligand_id="ChEBI:CHEBI:57783"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00817"
SQ SEQUENCE 285 AA; 32142 MW; 6EEB1A8F04A3AF65 CRC64;
MSIHGILGEQ TTDYPTEYSP ETLYPIARSM GRDVIGWQND KLEVGVDWWQ AFELSWLNQQ
GISQVAIARF GIPANSPFIV ESKSLKLYLN SINFTEFGSW AEVQKLIAED LSKCVQAEVQ
VELFHLADRH SGLLIAQPDG ICIDDALVNS TEKVALMLHP DASLLERDSS DAQISDGKTF
SFYSNLLRSN CPVTNQPDWA ALAVSITSKK VVNQANMLRY ILSFRQHNGF HEQCVEQIFA
DLSQYYEPSK LMVRAWYTRR GGIDINPCRV SDIALLPVPS RLIRQ
