ID   TRUB_STRA5              Reviewed;         294 AA.
AC   P65857; Q8CX11; Q8E5J6;
DT   11-OCT-2004, integrated into UniProtKB/Swiss-Prot.
DT   11-OCT-2004, sequence version 1.
DT   25-MAY-2022, entry version 92.
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=SAG0998;
OS   Streptococcus agalactiae serotype V (strain ATCC BAA-611 / 2603 V/R).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=208435;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-611 / 2603 V/R;
RX   PubMed=12200547; DOI=10.1073/pnas.182380799;
RA   Tettelin H., Masignani V., Cieslewicz M.J., Eisen J.A., Peterson S.N.,
RA   Wessels M.R., Paulsen I.T., Nelson K.E., Margarit I., Read T.D.,
RA   Madoff L.C., Wolf A.M., Beanan M.J., Brinkac L.M., Daugherty S.C.,
RA   DeBoy R.T., Durkin A.S., Kolonay J.F., Madupu R., Lewis M.R., Radune D.,
RA   Fedorova N.B., Scanlan D., Khouri H.M., Mulligan S., Carty H.A.,
RA   Cline R.T., Van Aken S.E., Gill J., Scarselli M., Mora M., Iacobini E.T.,
RA   Brettoni C., Galli G., Mariani M., Vegni F., Maione D., Rinaudo D.,
RA   Rappuoli R., Telford J.L., Kasper D.L., Grandi G., Fraser C.M.;
RT   "Complete genome sequence and comparative genomic analysis of an emerging
RT   human pathogen, serotype V Streptococcus agalactiae.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:12391-12396(2002).
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; AE009948; AAM99881.1; -; Genomic_DNA.
DR   RefSeq; NP_688009.1; NC_004116.1.
DR   RefSeq; WP_001873502.1; NC_004116.1.
DR   AlphaFoldDB; P65857; -.
DR   SMR; P65857; -.
DR   STRING; 208435.SAG0998; -.
DR   EnsemblBacteria; AAM99881; AAM99881; SAG0998.
DR   GeneID; 66885938; -.
DR   KEGG; sag:SAG0998; -.
DR   PATRIC; fig|208435.3.peg.1005; -.
DR   HOGENOM; CLU_032087_0_1_9; -.
DR   OMA; ELQFIRW; -.
DR   Proteomes; UP000000821; 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..294
FT                   /note="tRNA pseudouridine synthase B"
FT                   /id="PRO_0000121911"
FT   ACT_SITE        39
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ   SEQUENCE   294 AA;  32907 MW;  081E639B31125744 CRC64;
     MITGIINLKK EAGMTSHDAV FKLRKILHTK KIGHGGTLDP DVVGVLPIAV GKATRVIEYM
     TESGKIYEGE ITLGYATSTE DSSGEVISRT PLTQSDLSED VVDHAMKSFT GPITQVPPMY
     SAVKVNGKKL YEYARSGEEV ERPKRQITIS EFRRTSPLYF EKGICRFSFY VSCSKGTYVR
     TLAVDLGIKL GYASHMSFLK RTSSAGLSIT QSLTLEEINE KYKQEDFSFL LPIEYGVLDL
     PKVNLTEEDK VEISYGRRIL LENEADTLAA FYENRVIAIL EKRGNEFKPH KVLL