ID E9CPU5_9GAMM Unreviewed; 221 AA.
AC E9CPU5;
DT 05-APR-2011, integrated into UniProtKB/TrEMBL.
DT 05-APR-2011, sequence version 1.
DT 24-JAN-2024, entry version 37.
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=SSYM_2586 {ECO:0000313|EMBL:EFW11501.1};
OS Serratia symbiotica str. Tucson.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Yersiniaceae; Serratia; Serratia symbiotica.
OX NCBI_TaxID=914128 {ECO:0000313|EMBL:EFW11501.1, ECO:0000313|Proteomes:UP000013568};
RN [1] {ECO:0000313|Proteomes:UP000013568}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Tucson {ECO:0000313|Proteomes:UP000013568};
RX PubMed=21266540;
RA Burke G.R., Moran N.A.;
RT "Massive genomic decay in Serratia symbiotica, a recently evolved symbiont
RT of aphids.";
RL Genome Biol. Evol. 3:195-208(2011).
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; GL636126; EFW11501.1; -; Genomic_DNA.
DR AlphaFoldDB; E9CPU5; -.
DR HOGENOM; CLU_088177_0_0_6; -.
DR UniPathway; UPA00392; -.
DR Proteomes; UP000013568; 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 Reference proteome {ECO:0000313|Proteomes:UP000013568};
KW tRNA processing {ECO:0000256|HAMAP-Rule:MF_02089}.
FT BINDING 22
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02089"
FT BINDING 23
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 BINDING 104
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02089"
FT DISULFID 184..186
FT /note="Redox-active"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02089"
SQ SEQUENCE 221 AA; 25801 MW; 51D0C83B88469A9D CRC64;
MELIREKLQL PAGKSKLLLH SCCAPCSGEV MEAIQASGIE YAIFFYNPNI HPQKEYLLRK
EENIRFADQH GITIIDADYD TDNWFARAKG MEHEPERGIR CTMCFDMRFE RTALYAHENG
YDAISSSLGI SRWKNMQQIT DCGIRAAEKY PDLLYWDYNW RKKGGSARMI EISKRERFYQ
QEYCGCVYSL RDTNLHRKAQ GRPLIKLGVL YYGDDENNNP Q
//
