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SELU_AZOVD
ID   SELU_AZOVD              Reviewed;         370 AA.
AC   C1DNN5;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   26-MAY-2009, sequence version 1.
DT   03-AUG-2022, entry version 75.
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}; OrderedLocusNames=Avin_10190;
OS   Azotobacter vinelandii (strain DJ / ATCC BAA-1303).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Azotobacter.
OX   NCBI_TaxID=322710;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DJ / ATCC BAA-1303;
RX   PubMed=19429624; DOI=10.1128/jb.00504-09;
RA   Setubal J.C., Dos Santos P., Goldman B.S., Ertesvaag H., Espin G.,
RA   Rubio L.M., Valla S., Almeida N.F., Balasubramanian D., Cromes L.,
RA   Curatti L., Du Z., Godsy E., Goodner B., Hellner-Burris K., Hernandez J.A.,
RA   Houmiel K., Imperial J., Kennedy C., Larson T.J., Latreille P., Ligon L.S.,
RA   Lu J., Maerk M., Miller N.M., Norton S., O'Carroll I.P., Paulsen I.,
RA   Raulfs E.C., Roemer R., Rosser J., Segura D., Slater S., Stricklin S.L.,
RA   Studholme D.J., Sun J., Viana C.J., Wallin E., Wang B., Wheeler C., Zhu H.,
RA   Dean D.R., Dixon R., Wood D.;
RT   "Genome sequence of Azotobacter vinelandii, an obligate aerobe specialized
RT   to support diverse anaerobic metabolic processes.";
RL   J. Bacteriol. 191:4534-4545(2009).
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; CP001157; ACO77251.1; -; Genomic_DNA.
DR   RefSeq; WP_012699674.1; NC_012560.1.
DR   AlphaFoldDB; C1DNN5; -.
DR   SMR; C1DNN5; -.
DR   STRING; 322710.Avin_10190; -.
DR   PRIDE; C1DNN5; -.
DR   EnsemblBacteria; ACO77251; ACO77251; Avin_10190.
DR   KEGG; avn:Avin_10190; -.
DR   eggNOG; COG2603; Bacteria.
DR   HOGENOM; CLU_043456_1_0_6; -.
DR   OMA; RPLVYCW; -.
DR   OrthoDB; 1052499at2; -.
DR   Proteomes; UP000002424; 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; IPR027417; P-loop_NTPase.
DR   InterPro; IPR001763; Rhodanese-like_dom.
DR   InterPro; IPR036873; Rhodanese-like_dom_sf.
DR   InterPro; IPR017582; SelU.
DR   SMART; SM00450; RHOD; 1.
DR   SUPFAM; SSF52540; SSF52540; 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   Selenium; Transferase.
FT   CHAIN           1..370
FT                   /note="tRNA 2-selenouridine synthase"
FT                   /id="PRO_1000215740"
FT   DOMAIN          12..136
FT                   /note="Rhodanese"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01622"
FT   ACT_SITE        95
FT                   /note="S-selanylcysteine intermediate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01622"
SQ   SEQUENCE   370 AA;  41177 MW;  0BAF10898CE1D3A2 CRC64;
     MRADTADYPQ LFLEDVPMMD TRAPVEFAGG AFPNVLNLPL MTDSERQKVG TCYKQHGQRA
     AIELGHRLVS GRTKELRIQA WADFARAHPE GYLYCFRGGL RSQIVQQWLR DEAGIDYPRV
     TGGYKAMRNF LLDTTRQATA QCAFVLVGGL TGTGKTEVIA ALGNALDLEG HANHRGSSFG
     KRATPQPAQI DFENRLAIDI LRKRAAGVGR FVLEDESRLV GSCSLPLELH QGMQRYPLVW
     LEDSFEGRVE RILRDYVVDL CAEFVAVEGP QAGFAAFAAR LTQSLANIVK RLGGERYQRL
     STLMARALAE QEAGRGVALH RDWIVGLLRE YYDPMYAYQR ESKAERIVFS GDREAVLAYL
     RECAAGAVDG
 
 
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