ID   TRUA_PSET1              Reviewed;         264 AA.
AC   Q3IF40;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   08-NOV-2005, sequence version 1.
DT   03-AUG-2022, entry version 97.
DE   RecName: Full=tRNA pseudouridine synthase A {ECO:0000255|HAMAP-Rule:MF_00171};
DE            EC=5.4.99.12 {ECO:0000255|HAMAP-Rule:MF_00171};
DE   AltName: Full=tRNA pseudouridine(38-40) synthase {ECO:0000255|HAMAP-Rule:MF_00171};
DE   AltName: Full=tRNA pseudouridylate synthase I {ECO:0000255|HAMAP-Rule:MF_00171};
DE   AltName: Full=tRNA-uridine isomerase I {ECO:0000255|HAMAP-Rule:MF_00171};
GN   Name=truA {ECO:0000255|HAMAP-Rule:MF_00171}; OrderedLocusNames=PSHAa2075;
OS   Pseudoalteromonas translucida (strain TAC 125).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Pseudoalteromonadaceae; Pseudoalteromonas.
OX   NCBI_TaxID=326442;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=TAC 125;
RX   PubMed=16169927; DOI=10.1101/gr.4126905;
RA   Medigue C., Krin E., Pascal G., Barbe V., Bernsel A., Bertin P.N.,
RA   Cheung F., Cruveiller S., D'Amico S., Duilio A., Fang G., Feller G., Ho C.,
RA   Mangenot S., Marino G., Nilsson J., Parrilli E., Rocha E.P.C., Rouy Z.,
RA   Sekowska A., Tutino M.L., Vallenet D., von Heijne G., Danchin A.;
RT   "Coping with cold: the genome of the versatile marine Antarctica bacterium
RT   Pseudoalteromonas haloplanktis TAC125.";
RL   Genome Res. 15:1325-1335(2005).
CC   -!- FUNCTION: Formation of pseudouridine at positions 38, 39 and 40 in the
CC       anticodon stem and loop of transfer RNAs. {ECO:0000255|HAMAP-
CC       Rule:MF_00171}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=uridine(38/39/40) in tRNA = pseudouridine(38/39/40) in tRNA;
CC         Xref=Rhea:RHEA:22376, Rhea:RHEA-COMP:10085, Rhea:RHEA-COMP:10087,
CC         ChEBI:CHEBI:65314, ChEBI:CHEBI:65315; EC=5.4.99.12;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00171};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00171}.
CC   -!- SIMILARITY: Belongs to the tRNA pseudouridine synthase TruA family.
CC       {ECO:0000255|HAMAP-Rule:MF_00171}.
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DR   EMBL; CR954246; CAI87131.1; -; Genomic_DNA.
DR   RefSeq; WP_011328733.1; NC_007481.1.
DR   AlphaFoldDB; Q3IF40; -.
DR   SMR; Q3IF40; -.
DR   STRING; 326442.PSHAa2075; -.
DR   EnsemblBacteria; CAI87131; CAI87131; PSHAa2075.
DR   KEGG; pha:PSHAa2075; -.
DR   eggNOG; COG0101; Bacteria.
DR   HOGENOM; CLU_014673_0_2_6; -.
DR   OMA; FLYGMVR; -.
DR   OrthoDB; 1075262at2; -.
DR   BioCyc; PHAL326442:PSHA_RS10275-MON; -.
DR   Proteomes; UP000006843; Chromosome I.
DR   GO; GO:0003723; F:RNA binding; IEA:InterPro.
DR   GO; GO:0106029; F:tRNA pseudouridine synthase activity; IEA:UniProtKB-EC.
DR   GO; GO:0031119; P:tRNA pseudouridine synthesis; IEA:UniProtKB-UniRule.
DR   CDD; cd02570; PseudoU_synth_EcTruA; 1.
DR   Gene3D; 3.30.70.580; -; 1.
DR   Gene3D; 3.30.70.660; -; 1.
DR   HAMAP; MF_00171; TruA; 1.
DR   InterPro; IPR020103; PsdUridine_synth_cat_dom_sf.
DR   InterPro; IPR001406; PsdUridine_synth_TruA.
DR   InterPro; IPR020097; PsdUridine_synth_TruA_a/b_dom.
DR   InterPro; IPR020095; PsdUridine_synth_TruA_C.
DR   InterPro; IPR020094; TruA/RsuA/RluB/E/F_N.
DR   PANTHER; PTHR11142; PTHR11142; 1.
DR   Pfam; PF01416; PseudoU_synth_1; 2.
DR   PIRSF; PIRSF001430; tRNA_psdUrid_synth; 1.
DR   SUPFAM; SSF55120; SSF55120; 1.
DR   TIGRFAMs; TIGR00071; hisT_truA; 1.
PE   3: Inferred from homology;
KW   Isomerase; Reference proteome; tRNA processing.
FT   CHAIN           1..264
FT                   /note="tRNA pseudouridine synthase A"
FT                   /id="PRO_1000017142"
FT   ACT_SITE        51
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00171"
FT   BINDING         109
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00171"
SQ   SEQUENCE   264 AA;  29613 MW;  800FB77F643DC4D7 CRC64;
     MRVALGVEYN GARYSGWQRQ SHVNSVQQEV ETALSRICNH PVAIVCAGRT DAGVHGTGQV
     VHFDTDAPRD MVAFTLGMNT LLPKDIAIRF AQPVADDFHA RFSATARRYR YVIYNNPLRG
     AVLNEGVTHF HHTLDETKMQ EACQYLIGKY DFTSFRAIHC QANTAIRTIQ HLSVQRQGSY
     VIIDIKANAF LHHMVRNITG CLMDIGLHKQ QPVWLKELLD LKERAKASAT AKAAGLYLVD
     VDYPEQFNIP KTPLGPLFLP DISI