ID   TRUB_CLOD6              Reviewed;         301 AA.
AC   Q18BH7;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   25-JUL-2006, sequence version 1.
DT   03-AUG-2022, entry version 96.
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=CD630_13140;
OS   Clostridioides difficile (strain 630) (Peptoclostridium difficile).
OC   Bacteria; Firmicutes; Clostridia; Eubacteriales; Peptostreptococcaceae;
OC   Clostridioides.
OX   NCBI_TaxID=272563;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=630;
RX   PubMed=16804543; DOI=10.1038/ng1830;
RA   Sebaihia M., Wren B.W., Mullany P., Fairweather N.F., Minton N.,
RA   Stabler R., Thomson N.R., Roberts A.P., Cerdeno-Tarraga A.M., Wang H.,
RA   Holden M.T.G., Wright A., Churcher C., Quail M.A., Baker S., Bason N.,
RA   Brooks K., Chillingworth T., Cronin A., Davis P., Dowd L., Fraser A.,
RA   Feltwell T., Hance Z., Holroyd S., Jagels K., Moule S., Mungall K.,
RA   Price C., Rabbinowitsch E., Sharp S., Simmonds M., Stevens K., Unwin L.,
RA   Whithead S., Dupuy B., Dougan G., Barrell B., Parkhill J.;
RT   "The multidrug-resistant human pathogen Clostridium difficile has a highly
RT   mobile, mosaic genome.";
RL   Nat. Genet. 38:779-786(2006).
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; AM180355; CAJ68171.1; -; Genomic_DNA.
DR   RefSeq; WP_003428232.1; NZ_CP010905.2.
DR   RefSeq; YP_001087809.1; NC_009089.1.
DR   AlphaFoldDB; Q18BH7; -.
DR   SMR; Q18BH7; -.
DR   STRING; 272563.CD630_13140; -.
DR   EnsemblBacteria; CAJ68171; CAJ68171; CD630_13140.
DR   GeneID; 66353715; -.
DR   KEGG; cdf:CD630_13140; -.
DR   KEGG; pdc:CDIF630_01470; -.
DR   PATRIC; fig|272563.120.peg.1374; -.
DR   eggNOG; COG0130; Bacteria.
DR   OMA; ELQFIRW; -.
DR   PhylomeDB; Q18BH7; -.
DR   BioCyc; PDIF272563:G12WB-1448-MON; -.
DR   Proteomes; UP000001978; 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   HAMAP; MF_01080; TruB_bact; 1.
DR   InterPro; IPR020103; PsdUridine_synth_cat_dom_sf.
DR   InterPro; IPR002501; PsdUridine_synth_N.
DR   InterPro; IPR014780; tRNA_psdUridine_synth_TruB.
DR   InterPro; IPR032819; TruB_C.
DR   PANTHER; PTHR13767; PTHR13767; 1.
DR   Pfam; PF16198; TruB_C_2; 1.
DR   Pfam; PF01509; TruB_N; 1.
DR   SUPFAM; SSF55120; SSF55120; 1.
DR   TIGRFAMs; TIGR00431; TruB; 1.
PE   3: Inferred from homology;
KW   Isomerase; Reference proteome; tRNA processing.
FT   CHAIN           1..301
FT                   /note="tRNA pseudouridine synthase B"
FT                   /id="PRO_1000084571"
FT   ACT_SITE        38
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ   SEQUENCE   301 AA;  34091 MW;  7C66655C842CD599 CRC64;
     MNKIISILKP TGMTSHDVVS RVRKILNIKK VGHTGTLDPD ASGVLPICIG KATKVCEVIL
     NKDKSYICEL TLGISTDTYD ASGEILKKVD DFKFSNEDIE RAFDTQRGEI NQLPPIYSAL
     KVNGKRMCDL VRSGRQSEIT LKTRRVNIKD IKILSIKGNK VMFYVECSKG TYVRSICHDI
     GEYLGCGAHM SFLNRTSSGK FDLDNSITLE ELELFYENKT LDKYLYDIDY VLDSFNYVVL
     NPNAIKYYSN GGSIDDKRFL KNNFDKDDEF VRVYSTDNFL GLGKLSKHNN TISVKSDKMF
     I