ID H8K9C9_RICAC Unreviewed; 209 AA.
AC H8K9C9;
DT 16-MAY-2012, integrated into UniProtKB/TrEMBL.
DT 16-MAY-2012, sequence version 1.
DT 24-JAN-2024, entry version 39.
DE RecName: Full=Epoxyqueuosine reductase QueH {ECO:0000256|ARBA:ARBA00016895, ECO:0000256|HAMAP-Rule:MF_02089};
DE EC=1.17.99.6 {ECO:0000256|ARBA:ARBA00012622, ECO:0000256|HAMAP-Rule:MF_02089};
DE AltName: Full=Queuosine biosynthesis protein QueH {ECO:0000256|ARBA:ARBA00031446, ECO:0000256|HAMAP-Rule:MF_02089};
GN Name=queH {ECO:0000256|HAMAP-Rule:MF_02089};
GN OrderedLocusNames=MC5_01200 {ECO:0000313|EMBL:AFC70649.1};
OS Rickettsia australis (strain Cutlack).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rickettsiales;
OC Rickettsiaceae; Rickettsieae; Rickettsia; spotted fever group.
OX NCBI_TaxID=1105110 {ECO:0000313|EMBL:AFC70649.1, ECO:0000313|Proteomes:UP000007589};
RN [1] {ECO:0000313|Proteomes:UP000007589}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Cutlack {ECO:0000313|Proteomes:UP000007589};
RA Johnson S.L., Munk A.C., Han S., Bruce D.C., Dasch G.A.;
RT "Complete genome sequence of Rickettsia australis strain Cutlack.";
RL Submitted (FEB-2012) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the conversion of epoxyqueuosine (oQ) to queuosine
CC (Q), which is a hypermodified base found in the wobble positions of
CC tRNA(Asp), tRNA(Asn), tRNA(His) and tRNA(Tyr).
CC {ECO:0000256|ARBA:ARBA00002268, ECO:0000256|HAMAP-Rule:MF_02089}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=AH2 + epoxyqueuosine(34) in tRNA = A + H2O + queuosine(34) in
CC tRNA; Xref=Rhea:RHEA:32159, Rhea:RHEA-COMP:18571, Rhea:RHEA-
CC COMP:18582, ChEBI:CHEBI:13193, ChEBI:CHEBI:15377, ChEBI:CHEBI:17499,
CC ChEBI:CHEBI:194431, ChEBI:CHEBI:194443; EC=1.17.99.6;
CC Evidence={ECO:0000256|ARBA:ARBA00035072, ECO:0000256|HAMAP-
CC Rule:MF_02089};
CC -!- PATHWAY: tRNA modification; tRNA-queuosine biosynthesis.
CC {ECO:0000256|ARBA:ARBA00004691, ECO:0000256|HAMAP-Rule:MF_02089}.
CC -!- SIMILARITY: Belongs to the QueH family. {ECO:0000256|ARBA:ARBA00008207,
CC ECO:0000256|HAMAP-Rule:MF_02089}.
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DR EMBL; CP003338; AFC70649.1; -; Genomic_DNA.
DR RefSeq; WP_014412191.1; NC_017058.1.
DR AlphaFoldDB; H8K9C9; -.
DR STRING; 1105110.MC5_01200; -.
DR KEGG; rau:MC5_01200; -.
DR eggNOG; COG1636; Bacteria.
DR HOGENOM; CLU_088177_0_0_5; -.
DR OMA; PNIHPYT; -.
DR OrthoDB; 9801033at2; -.
DR UniPathway; UPA00392; -.
DR Proteomes; UP000007589; Chromosome.
DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-UniRule.
DR GO; GO:0052693; F:epoxyqueuosine reductase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0008616; P:queuosine biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0008033; P:tRNA processing; IEA:UniProtKB-UniRule.
DR HAMAP; MF_02089; QueH; 1.
DR InterPro; IPR003828; QueH.
DR PANTHER; PTHR36701; EPOXYQUEUOSINE REDUCTASE QUEH; 1.
DR PANTHER; PTHR36701:SF1; EPOXYQUEUOSINE REDUCTASE QUEH; 1.
DR Pfam; PF02677; QueH; 1.
PE 3: Inferred from homology;
KW 4Fe-4S {ECO:0000256|HAMAP-Rule:MF_02089};
KW Disulfide bond {ECO:0000256|ARBA:ARBA00023157, ECO:0000256|HAMAP-
KW Rule:MF_02089}; Iron {ECO:0000256|HAMAP-Rule:MF_02089};
KW Iron-sulfur {ECO:0000256|HAMAP-Rule:MF_02089};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_02089};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|HAMAP-
KW Rule:MF_02089}; Queuosine biosynthesis {ECO:0000256|HAMAP-Rule:MF_02089};
KW Redox-active center {ECO:0000256|HAMAP-Rule:MF_02089};
KW tRNA processing {ECO:0000256|HAMAP-Rule:MF_02089}.
FT BINDING 19
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02089"
FT BINDING 20
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02089"
FT BINDING 98
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02089"
FT BINDING 101
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02089"
FT DISULFID 181..183
FT /note="Redox-active"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02089"
SQ SEQUENCE 209 AA; 24980 MW; 27D6451E7A38341A CRC64;
MSKVFKIPNG ESKVLLHCCC APCVGPLMEK MIESDIKYTL FFYNPNIHPK KEYELRKNEN
IKFAEKHNIE FIDADYDPQN WFRRAKGMEF EPERGIRCTM CFDMRFERTA LYAYENGFKI
ITSSLGISRW KDMNQINESG TRAVSHYEGI TYWTYNWRKD GGASRMYEIA KEEHFYKQEF
CGCVYSFRDT NDWRVANDRP KIEIGKEYY
//