ID   TRUA_ECO8A              Reviewed;         270 AA.
AC   B7M6J9;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   03-AUG-2022, entry version 70.
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=ECIAI1_2395;
OS   Escherichia coli O8 (strain IAI1).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=585034;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=IAI1;
RX   PubMed=19165319; DOI=10.1371/journal.pgen.1000344;
RA   Touchon M., Hoede C., Tenaillon O., Barbe V., Baeriswyl S., Bidet P.,
RA   Bingen E., Bonacorsi S., Bouchier C., Bouvet O., Calteau A., Chiapello H.,
RA   Clermont O., Cruveiller S., Danchin A., Diard M., Dossat C., Karoui M.E.,
RA   Frapy E., Garry L., Ghigo J.M., Gilles A.M., Johnson J., Le Bouguenec C.,
RA   Lescat M., Mangenot S., Martinez-Jehanne V., Matic I., Nassif X., Oztas S.,
RA   Petit M.A., Pichon C., Rouy Z., Ruf C.S., Schneider D., Tourret J.,
RA   Vacherie B., Vallenet D., Medigue C., Rocha E.P.C., Denamur E.;
RT   "Organised genome dynamics in the Escherichia coli species results in
RT   highly diverse adaptive paths.";
RL   PLoS Genet. 5:E1000344-E1000344(2009).
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; CU928160; CAQ99237.1; -; Genomic_DNA.
DR   RefSeq; WP_001283581.1; NC_011741.1.
DR   AlphaFoldDB; B7M6J9; -.
DR   SMR; B7M6J9; -.
DR   GeneID; 58463747; -.
DR   KEGG; ecr:ECIAI1_2395; -.
DR   HOGENOM; CLU_014673_0_2_6; -.
DR   OMA; FLYGMVR; -.
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; tRNA processing.
FT   CHAIN           1..270
FT                   /note="tRNA pseudouridine synthase A"
FT                   /id="PRO_1000194555"
FT   REGION          107..111
FT                   /note="RNA binding"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00171"
FT   REGION          168..172
FT                   /note="Interaction with tRNA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00171"
FT   ACT_SITE        60
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00171"
FT   BINDING         118
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00171"
FT   SITE            58
FT                   /note="Interaction with tRNA; Important for base-flipping"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00171"
FT   SITE            78
FT                   /note="Interaction with tRNA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00171"
FT   SITE            110
FT                   /note="Interaction with tRNA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00171"
FT   SITE            126
FT                   /note="Interaction with tRNA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00171"
FT   SITE            139
FT                   /note="Interaction with tRNA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00171"
SQ   SEQUENCE   270 AA;  30401 MW;  F2C3D577DD51D87C CRC64;
     MSDQQQLPVY KIALGIEYDG SKYYGWQRQN EVRSVQEKLE KALSQVANEP ITVFCAGRTD
     AGVHGTGQVV HFETTAQRKD AAWTLGVNAN LPGDIAVRWV KAVPDDFHAR FSATARRYRY
     IIYNHRLRPA VLSKGVTHFY EPLDAERMHR AAQCLLGEND FTSFRAVQCQ SRTPWRNVMH
     INVTRHGPYV VVDIKANAFV HHMVRNIVGS LMEVGAHNQP ESWIAELLAA KDRTLAAATA
     KAEGLYLVAV DYPDRYDLPK PPMGPLFLAD