ID J0LFR0_HELPX Unreviewed; 368 AA.
AC J0LFR0;
DT 03-OCT-2012, integrated into UniProtKB/TrEMBL.
DT 03-OCT-2012, sequence version 1.
DT 24-JAN-2024, entry version 29.
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 ORFNames=HPHPH36_0242 {ECO:0000313|EMBL:EJB61395.1};
OS Helicobacter pylori Hp H-36.
OC Bacteria; Campylobacterota; Epsilonproteobacteria; Campylobacterales;
OC Helicobacteraceae; Helicobacter.
OX NCBI_TaxID=992044 {ECO:0000313|EMBL:EJB61395.1, ECO:0000313|Proteomes:UP000005932};
RN [1] {ECO:0000313|EMBL:EJB61395.1, ECO:0000313|Proteomes:UP000005932}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Hp H-36 {ECO:0000313|EMBL:EJB61395.1,
RC ECO:0000313|Proteomes:UP000005932};
RA Blanchard T.G., Czinn S.J., McCracken C., Abolude K., Maroo A.,
RA Santana-Cruz I., Tallon L.J., Ficke F.W.F.;
RT "Genome sequence of Helicobacter pylori Hp H-36.";
RL Submitted (APR-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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:EJB61395.1}.
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DR EMBL; AKOL01000001; EJB61395.1; -; Genomic_DNA.
DR RefSeq; WP_000905198.1; NZ_AKOL01000001.1.
DR AlphaFoldDB; J0LFR0; -.
DR PATRIC; fig|992044.3.peg.231; -.
DR UniPathway; UPA00392; -.
DR Proteomes; UP000005932; Unassembled WGS sequence.
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 6
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02089"
FT BINDING 7
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02089"
FT BINDING 87
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02089"
FT BINDING 90
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02089"
FT DISULFID 174..176
FT /note="Redox-active"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02089"
SQ SEQUENCE 368 AA; 42650 MW; 8497C21BC5082849 CRC64;
MLIHICCSVD NLYFLKKAKE AFAGEKIVGF FYNPNIHPYS EYLLRLEDVK RTCEMLEIEL
LEGDYELEKF LNKAKGKELL GEKSERCFEC FDLRLEASAL KAFELGEERF TTTLLTSPKK
DPNQLIAKGQ SIAQRHNLEF VVFRNDNFEH FKSELDLNLQ ALARENELYR QNYCGCQFAL
KIQKESQNRS PFELYSPLKR QILPASIEER TQVFRTLEAA KKDANKPFLA QKTIATYRLL
NGGVWLSKNS NPLNCCILAR SKSKAKVRIN DLRWVFSQRL SALVGYSQRD ETLFLTLEGL
NTLMAKNYDT LKELNLNPLS YEEELSLRAL VSGSESVNPI IVLEERTEKT LFVEIKSIFQ
EEKVFYLL
//
