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SELU_ECO57
ID   SELU_ECO57              Reviewed;         364 AA.
AC   Q8XCZ2; Q7AGV7;
DT   06-DEC-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2002, sequence version 1.
DT   03-AUG-2022, entry version 114.
DE   RecName: Full=tRNA 2-selenouridine synthase {ECO:0000255|HAMAP-Rule:MF_01622};
DE            EC=2.9.1.3 {ECO:0000255|HAMAP-Rule:MF_01622};
GN   Name=selU {ECO:0000255|HAMAP-Rule:MF_01622};
GN   OrderedLocusNames=Z0657, ECs0564;
OS   Escherichia coli O157:H7.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=83334;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=O157:H7 / EDL933 / ATCC 700927 / EHEC;
RX   PubMed=11206551; DOI=10.1038/35054089;
RA   Perna N.T., Plunkett G. III, Burland V., Mau B., Glasner J.D., Rose D.J.,
RA   Mayhew G.F., Evans P.S., Gregor J., Kirkpatrick H.A., Posfai G.,
RA   Hackett J., Klink S., Boutin A., Shao Y., Miller L., Grotbeck E.J.,
RA   Davis N.W., Lim A., Dimalanta E.T., Potamousis K., Apodaca J.,
RA   Anantharaman T.S., Lin J., Yen G., Schwartz D.C., Welch R.A.,
RA   Blattner F.R.;
RT   "Genome sequence of enterohaemorrhagic Escherichia coli O157:H7.";
RL   Nature 409:529-533(2001).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=O157:H7 / Sakai / RIMD 0509952 / EHEC;
RX   PubMed=11258796; DOI=10.1093/dnares/8.1.11;
RA   Hayashi T., Makino K., Ohnishi M., Kurokawa K., Ishii K., Yokoyama K.,
RA   Han C.-G., Ohtsubo E., Nakayama K., Murata T., Tanaka M., Tobe T., Iida T.,
RA   Takami H., Honda T., Sasakawa C., Ogasawara N., Yasunaga T., Kuhara S.,
RA   Shiba T., Hattori M., Shinagawa H.;
RT   "Complete genome sequence of enterohemorrhagic Escherichia coli O157:H7 and
RT   genomic comparison with a laboratory strain K-12.";
RL   DNA Res. 8:11-22(2001).
CC   -!- FUNCTION: Involved in the post-transcriptional modification of the
CC       uridine at the wobble position (U34) of tRNA(Lys), tRNA(Glu) and
CC       tRNA(Gln). Catalyzes the conversion of 2-thiouridine (S2U-RNA) to 2-
CC       selenouridine (Se2U-RNA). Acts in a two-step process involving
CC       geranylation of 2-thiouridine (S2U) to S-geranyl-2-thiouridine (geS2U)
CC       and subsequent selenation of the latter derivative to 2-selenouridine
CC       (Se2U) in the tRNA chain. {ECO:0000255|HAMAP-Rule:MF_01622}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(2E)-geranyl diphosphate + 5-methylaminomethyl-2-
CC         thiouridine(34) in tRNA + H(+) + H2O + selenophosphate = (2E)-
CC         thiogeraniol + 5-methylaminomethyl-2-selenouridine(34) in tRNA +
CC         diphosphate + phosphate; Xref=Rhea:RHEA:42716, Rhea:RHEA-COMP:10195,
CC         Rhea:RHEA-COMP:10196, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:16144, ChEBI:CHEBI:33019, ChEBI:CHEBI:43474,
CC         ChEBI:CHEBI:58057, ChEBI:CHEBI:74455, ChEBI:CHEBI:82743,
CC         ChEBI:CHEBI:143703; EC=2.9.1.3; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01622};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:42717;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01622};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(2E)-geranyl diphosphate + 5-methylaminomethyl-2-
CC         thiouridine(34) in tRNA = 5-methylaminomethyl-S-(2E)-geranyl-
CC         thiouridine(34) in tRNA + diphosphate; Xref=Rhea:RHEA:14085,
CC         Rhea:RHEA-COMP:10195, Rhea:RHEA-COMP:14654, ChEBI:CHEBI:33019,
CC         ChEBI:CHEBI:58057, ChEBI:CHEBI:74455, ChEBI:CHEBI:140632;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01622};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:14086;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01622};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=5-methylaminomethyl-S-(2E)-geranyl-thiouridine(34) in tRNA +
CC         H(+) + selenophosphate = (2E)-thiogeraniol + 5-methylaminomethyl-2-
CC         (Se-phospho)selenouridine(34) in tRNA; Xref=Rhea:RHEA:60172,
CC         Rhea:RHEA-COMP:14654, Rhea:RHEA-COMP:15523, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:16144, ChEBI:CHEBI:140632, ChEBI:CHEBI:143702,
CC         ChEBI:CHEBI:143703; Evidence={ECO:0000255|HAMAP-Rule:MF_01622};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:60173;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01622};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=5-methylaminomethyl-2-(Se-phospho)selenouridine(34) in tRNA +
CC         H2O = 5-methylaminomethyl-2-selenouridine(34) in tRNA + phosphate;
CC         Xref=Rhea:RHEA:60176, Rhea:RHEA-COMP:10196, Rhea:RHEA-COMP:15523,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:43474, ChEBI:CHEBI:82743,
CC         ChEBI:CHEBI:143702; Evidence={ECO:0000255|HAMAP-Rule:MF_01622};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:60177;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01622};
CC   -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_01622}.
CC   -!- SIMILARITY: Belongs to the SelU family. {ECO:0000255|HAMAP-
CC       Rule:MF_01622}.
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DR   EMBL; AE005174; AAG54859.1; -; Genomic_DNA.
DR   EMBL; BA000007; BAB33987.1; -; Genomic_DNA.
DR   PIR; D90699; D90699.
DR   PIR; G85549; G85549.
DR   RefSeq; NP_308591.1; NC_002695.1.
DR   RefSeq; WP_001157987.1; NZ_SWKA01000005.1.
DR   AlphaFoldDB; Q8XCZ2; -.
DR   SMR; Q8XCZ2; -.
DR   STRING; 155864.EDL933_0588; -.
DR   EnsemblBacteria; AAG54859; AAG54859; Z0657.
DR   EnsemblBacteria; BAB33987; BAB33987; ECs_0564.
DR   GeneID; 915481; -.
DR   KEGG; ece:Z0657; -.
DR   KEGG; ecs:ECs_0564; -.
DR   PATRIC; fig|386585.9.peg.672; -.
DR   eggNOG; COG2603; Bacteria.
DR   HOGENOM; CLU_043456_1_0_6; -.
DR   OMA; RPLVYCW; -.
DR   Proteomes; UP000000558; Chromosome.
DR   Proteomes; UP000002519; Chromosome.
DR   GO; GO:0016765; F:transferase activity, transferring alkyl or aryl (other than methyl) groups; IEA:UniProtKB-UniRule.
DR   GO; GO:0043828; F:tRNA 2-selenouridine synthase activity; IEA:UniProtKB-EC.
DR   GO; GO:0002098; P:tRNA wobble uridine modification; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.250.10; -; 1.
DR   HAMAP; MF_01622; tRNA_sel_U_synth; 1.
DR   InterPro; IPR001763; Rhodanese-like_dom.
DR   InterPro; IPR036873; Rhodanese-like_dom_sf.
DR   InterPro; IPR017582; SelU.
DR   SMART; SM00450; RHOD; 1.
DR   SUPFAM; SSF52821; SSF52821; 1.
DR   TIGRFAMs; TIGR03167; tRNA_sel_U_synt; 1.
DR   PROSITE; PS50206; RHODANESE_3; 1.
PE   3: Inferred from homology;
KW   Reference proteome; Selenium; Transferase.
FT   CHAIN           1..364
FT                   /note="tRNA 2-selenouridine synthase"
FT                   /id="PRO_0000210860"
FT   DOMAIN          14..137
FT                   /note="Rhodanese"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01622"
FT   ACT_SITE        97
FT                   /note="S-selanylcysteine intermediate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01622"
SQ   SEQUENCE   364 AA;  41074 MW;  5E1469B0EB409816 CRC64;
     MQERHTEQDY RALLIADTPI IDVRAPIEFE QGAMPAAINL PLMNNDERAA VGTCYKQQGS
     DAALALGHKL VAGEIRQQRM DAWRAACLQN PQGILCCARG GQRSHIVQSW LHAAGIDYPL
     VEGGYKALRQ TAIQATIELA QKPIVLIGGC TGSGKTLLVQ QQPNGVDLEG LARHRGSAFG
     RTLQPQLSQA SFENLLAAEM LKTDARQNLR LWVLEDESRM IGSNHLPECL RERMTQAAIA
     VVEDPFEIRL ERLNEEYFLR MHHDFTHAYG DEQGWQEYCE YLHHGLSAIK RRLGLQRYNE
     LAARLDAALT TQLTTGSTDG HLAWLVPLLE EYYDPMYRYQ LEKKAEKVVF RGEWAEVAEW
     VKAQ
 
 
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