ID   TRUA2_DESPS             Reviewed;         261 AA.
AC   Q6AKP0;
DT   26-APR-2005, integrated into UniProtKB/Swiss-Prot.
DT   13-SEP-2004, sequence version 1.
DT   03-AUG-2022, entry version 93.
DE   RecName: Full=tRNA pseudouridine synthase A 2 {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 2 {ECO:0000255|HAMAP-Rule:MF_00171};
DE   AltName: Full=tRNA-uridine isomerase I 2 {ECO:0000255|HAMAP-Rule:MF_00171};
GN   Name=truA2 {ECO:0000255|HAMAP-Rule:MF_00171}; OrderedLocusNames=DP2356;
OS   Desulfotalea psychrophila (strain LSv54 / DSM 12343).
OC   Bacteria; Proteobacteria; Deltaproteobacteria; Desulfobacterales;
OC   Desulfocapsaceae; Desulfotalea.
OX   NCBI_TaxID=177439;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 12343 / LSv54;
RX   PubMed=15305914; DOI=10.1111/j.1462-2920.2004.00665.x;
RA   Rabus R., Ruepp A., Frickey T., Rattei T., Fartmann B., Stark M., Bauer M.,
RA   Zibat A., Lombardot T., Becker I., Amann J., Gellner K., Teeling H.,
RA   Leuschner W.D., Gloeckner F.-O., Lupas A.N., Amann R., Klenk H.-P.;
RT   "The genome of Desulfotalea psychrophila, a sulfate-reducing bacterium from
RT   permanently cold Arctic sediments.";
RL   Environ. Microbiol. 6:887-902(2004).
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; CR522870; CAG37085.1; -; Genomic_DNA.
DR   RefSeq; WP_011189597.1; NC_006138.1.
DR   AlphaFoldDB; Q6AKP0; -.
DR   SMR; Q6AKP0; -.
DR   STRING; 177439.DP2356; -.
DR   EnsemblBacteria; CAG37085; CAG37085; DP2356.
DR   KEGG; dps:DP2356; -.
DR   eggNOG; COG0101; Bacteria.
DR   HOGENOM; CLU_014673_0_1_7; -.
DR   OMA; FHAQWSA; -.
DR   OrthoDB; 1075262at2; -.
DR   Proteomes; UP000000602; Chromosome.
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..261
FT                   /note="tRNA pseudouridine synthase A 2"
FT                   /id="PRO_0000057373"
FT   ACT_SITE        59
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00171"
FT   BINDING         117
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00171"
SQ   SEQUENCE   261 AA;  29428 MW;  163198A9360E579B CRC64;
     MNYFRVKIAY KGTHYFGWQA QSIDTLHEEK PTVEGTILNA LKKITNYQPC TVSGASRTDG
     GVHARGQIAK ITISQKISPE HLLLGLNSLL PTDIRILECV PSTKEYQASR GSVSKEYHYY
     FIASPVDNVA TSDIALHLPI DSIGPDDLAL LRSACRLFVG RHDFYNFSSR GSGTSFREIF
     YCDIHRANFS PLANDMFYLK IIGDGFLKYM IRYIMGALLE LVRGRIVLDD ISLYLQQHQE
     DKLSPRAKAK GLHLIRIEGP K