ID   TRUB_THEP1              Reviewed;         309 AA.
AC   A5IIS7;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   26-JUN-2007, sequence version 1.
DT   25-MAY-2022, entry version 87.
DE   RecName: Full=tRNA pseudouridine synthase B {ECO:0000255|HAMAP-Rule:MF_01080};
DE            EC=5.4.99.25 {ECO:0000255|HAMAP-Rule:MF_01080};
DE   AltName: Full=tRNA pseudouridine(55) synthase {ECO:0000255|HAMAP-Rule:MF_01080};
DE            Short=Psi55 synthase {ECO:0000255|HAMAP-Rule:MF_01080};
DE   AltName: Full=tRNA pseudouridylate synthase {ECO:0000255|HAMAP-Rule:MF_01080};
DE   AltName: Full=tRNA-uridine isomerase {ECO:0000255|HAMAP-Rule:MF_01080};
GN   Name=truB {ECO:0000255|HAMAP-Rule:MF_01080}; OrderedLocusNames=Tpet_0071;
OS   Thermotoga petrophila (strain ATCC BAA-488 / DSM 13995 / JCM 10881 /
OS   RKU-1).
OC   Bacteria; Thermotogae; Thermotogales; Thermotogaceae; Thermotoga.
OX   NCBI_TaxID=390874;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-488 / DSM 13995 / JCM 10881 / RKU-1;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Sims D., Brettin T., Bruce D., Detter J.C., Han C.,
RA   Tapia R., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N.,
RA   Mikhailova N., Nelson K., Gogarten J.P., Noll K., Richardson P.;
RT   "Complete sequence of Thermotoga petrophila RKU-1.";
RL   Submitted (MAY-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Responsible for synthesis of pseudouridine from uracil-55 in
CC       the psi GC loop of transfer RNAs. {ECO:0000255|HAMAP-Rule:MF_01080}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=uridine(55) in tRNA = pseudouridine(55) in tRNA;
CC         Xref=Rhea:RHEA:42532, Rhea:RHEA-COMP:10101, Rhea:RHEA-COMP:10102,
CC         ChEBI:CHEBI:65314, ChEBI:CHEBI:65315; EC=5.4.99.25;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01080};
CC   -!- SIMILARITY: Belongs to the pseudouridine synthase TruB family. Type 1
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_01080}.
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DR   EMBL; CP000702; ABQ46100.1; -; Genomic_DNA.
DR   RefSeq; WP_011942774.1; NC_009486.1.
DR   AlphaFoldDB; A5IIS7; -.
DR   SMR; A5IIS7; -.
DR   STRING; 390874.Tpet_0071; -.
DR   EnsemblBacteria; ABQ46100; ABQ46100; Tpet_0071.
DR   KEGG; tpt:Tpet_0071; -.
DR   eggNOG; COG0130; Bacteria.
DR   HOGENOM; CLU_032087_0_2_0; -.
DR   OMA; ELQFIRW; -.
DR   Proteomes; UP000006558; 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; cd02573; PseudoU_synth_EcTruB; 1.
DR   Gene3D; 2.30.130.10; -; 1.
DR   HAMAP; MF_01080; TruB_bact; 1.
DR   InterPro; IPR020103; PsdUridine_synth_cat_dom_sf.
DR   InterPro; IPR002501; PsdUridine_synth_N.
DR   InterPro; IPR002478; PUA.
DR   InterPro; IPR015947; PUA-like_sf.
DR   InterPro; IPR036974; PUA_sf.
DR   InterPro; IPR014780; tRNA_psdUridine_synth_TruB.
DR   InterPro; IPR032819; TruB_C.
DR   PANTHER; PTHR13767; PTHR13767; 1.
DR   Pfam; PF01472; PUA; 1.
DR   Pfam; PF16198; TruB_C_2; 1.
DR   Pfam; PF01509; TruB_N; 1.
DR   SUPFAM; SSF55120; SSF55120; 1.
DR   SUPFAM; SSF88697; SSF88697; 1.
DR   TIGRFAMs; TIGR00431; TruB; 1.
DR   PROSITE; PS50890; PUA; 1.
PE   3: Inferred from homology;
KW   Isomerase; tRNA processing.
FT   CHAIN           1..309
FT                   /note="tRNA pseudouridine synthase B"
FT                   /id="PRO_1000084709"
FT   DOMAIN          229..306
FT                   /note="PUA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
FT   ACT_SITE        39
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ   SEQUENCE   309 AA;  35349 MW;  D970DA279FF84462 CRC64;
     MKHGILVAYK PKGPTSHDVV DEVRKKLKTR KVGHGGTLDP FACGVLIIGV NQGTRILEFY
     KDLKKVYWVK MRLGLITETF DITGEVVEER ECNATEEEIR EAIFSFVGEY DQVPPAYSAK
     KHKGERLYKL AREGKIINLP PKRVKIFKIW DVNVEGRDVS FRAEVSPGTY IRSLCMDIGY
     KLGCGATAVE LVRESVGSYT IEESLNVFEA APEEIENRII PLEKCLEWLP RVVVHQESTK
     TILNGSQIHL EMLKEWDGFK KGEVVRVFNE EGRLLALAEA ERNSSFLETL RKHERNERVL
     TLRKVFNTR