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SELU_PSEAE
ID   SELU_PSEAE              Reviewed;         369 AA.
AC   Q9I382;
DT   06-DEC-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2001, sequence version 1.
DT   03-AUG-2022, entry version 111.
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=PA1643;
OS   Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM
OS   14847 / LMG 12228 / 1C / PRS 101 / PAO1).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=208964;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C /
RC   PRS 101 / PAO1;
RX   PubMed=10984043; DOI=10.1038/35023079;
RA   Stover C.K., Pham X.-Q.T., Erwin A.L., Mizoguchi S.D., Warrener P.,
RA   Hickey M.J., Brinkman F.S.L., Hufnagle W.O., Kowalik D.J., Lagrou M.,
RA   Garber R.L., Goltry L., Tolentino E., Westbrock-Wadman S., Yuan Y.,
RA   Brody L.L., Coulter S.N., Folger K.R., Kas A., Larbig K., Lim R.M.,
RA   Smith K.A., Spencer D.H., Wong G.K.-S., Wu Z., Paulsen I.T., Reizer J.,
RA   Saier M.H. Jr., Hancock R.E.W., Lory S., Olson M.V.;
RT   "Complete genome sequence of Pseudomonas aeruginosa PAO1, an opportunistic
RT   pathogen.";
RL   Nature 406:959-964(2000).
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; AE004091; AAG05032.1; -; Genomic_DNA.
DR   PIR; H83439; H83439.
DR   RefSeq; NP_250334.1; NC_002516.2.
DR   RefSeq; WP_003087548.1; NZ_QZGE01000003.1.
DR   AlphaFoldDB; Q9I382; -.
DR   SMR; Q9I382; -.
DR   STRING; 287.DR97_245; -.
DR   PaxDb; Q9I382; -.
DR   PRIDE; Q9I382; -.
DR   DNASU; 878548; -.
DR   EnsemblBacteria; AAG05032; AAG05032; PA1643.
DR   GeneID; 878548; -.
DR   KEGG; pae:PA1643; -.
DR   PATRIC; fig|208964.12.peg.1703; -.
DR   PseudoCAP; PA1643; -.
DR   HOGENOM; CLU_043456_1_0_6; -.
DR   InParanoid; Q9I382; -.
DR   OMA; RPLVYCW; -.
DR   PhylomeDB; Q9I382; -.
DR   BioCyc; PAER208964:G1FZ6-1673-MON; -.
DR   Proteomes; UP000002438; 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; IBA:GO_Central.
DR   GO; GO:0002098; P:tRNA wobble uridine modification; IBA:GO_Central.
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   Reference proteome; Selenium; Transferase.
FT   CHAIN           1..369
FT                   /note="tRNA 2-selenouridine synthase"
FT                   /id="PRO_0000210864"
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   369 AA;  41845 MW;  7D54EC863A5AD0C4 CRC64;
     MRDNTQHYRE LFLDDIPLMD VRAPVEYHKG AFPNTVNRPL MNDIERQKVG TSYKQHGQQA
     AIALGHELVC GALKAERLAA WKAFAEANPN GYLYCFRGGL RSQIVQQWLK QDAGIDYPRV
     IGGYKALRNF LFETTRAAVD ECDFVLVGGL TGCGKTEVIA ALDNSLDLEG HANHRGSSFG
     RRATPQPAQI DFENRLAIDI LKKRHRGVGQ FVLEDEGRIV GSCSLPLELY QGMQGYPLVW
     LEDAFEQRVE RILRDYVIDL RSEFERVVGV EEGFAAFSAY LQKSLAGIVK RLGGERYQRL
     AAILVQALEE QGRDGSVDTH RGWIEGLLKE YYDPMYAFQR QSKEDRVEFR GNQAEVIGYL
     RQRQALRPS
 
 
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