ID   TRUB_EHRCJ              Reviewed;         301 AA.
AC   Q3YSC6;
DT   04-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT   27-SEP-2005, sequence version 1.
DT   25-MAY-2022, entry version 89.
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=Ecaj_0336;
OS   Ehrlichia canis (strain Jake).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rickettsiales;
OC   Anaplasmataceae; Ehrlichia.
OX   NCBI_TaxID=269484;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Jake;
RX   PubMed=16707693; DOI=10.1128/jb.01837-05;
RA   Mavromatis K., Doyle C.K., Lykidis A., Ivanova N., Francino M.P., Chain P.,
RA   Shin M., Malfatti S., Larimer F., Copeland A., Detter J.C., Land M.,
RA   Richardson P.M., Yu X.J., Walker D.H., McBride J.W., Kyrpides N.C.;
RT   "The genome of the obligately intracellular bacterium Ehrlichia canis
RT   reveals themes of complex membrane structure and immune evasion
RT   strategies.";
RL   J. Bacteriol. 188:4015-4023(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; CP000107; AAZ68379.1; -; Genomic_DNA.
DR   RefSeq; WP_011304457.1; NC_007354.1.
DR   AlphaFoldDB; Q3YSC6; -.
DR   SMR; Q3YSC6; -.
DR   STRING; 269484.Ecaj_0336; -.
DR   EnsemblBacteria; AAZ68379; AAZ68379; Ecaj_0336.
DR   KEGG; ecn:Ecaj_0336; -.
DR   eggNOG; COG0130; Bacteria.
DR   HOGENOM; CLU_032087_0_3_5; -.
DR   OMA; ELQFIRW; -.
DR   OrthoDB; 1166299at2; -.
DR   Proteomes; UP000000435; 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_0000229357"
FT   ACT_SITE        38
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ   SEQUENCE   301 AA;  33614 MW;  C4BCFFD12A116474 CRC64;
     MYGWVNLDKP CGMSSALAVN LVKRILNVKK AGHAGTLDPL ASGVLPIAIG EATKVMPYAV
     DVIKSYLFTV QWGEQRTTDD AEGEIVDKSD MIPCVENIKK IIPDFIGLLK QVPPSFSAVH
     VNGVRAFELA RSGQDVNLSS RFVDVLELKL LSFDVENNKA DFYLSCRKGV YVRSIARDLG
     IKLGCLGYVT KLQRVRVGCF RKKNAITLEM LKTLYSTNCK SSYLLPLWYV LQDIKHLNNF
     FSELEIKKLK NGQNIELNNL YVIRNCDICY VSTGNVPVAI CSIVNSVVRP VRIFNVRGLV
     F