ID   TRUB_RICPU              Reviewed;         345 AA.
AC   C4K0F2;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   07-JUL-2009, sequence version 1.
DT   25-MAY-2022, entry version 62.
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=RPR_00270;
OS   Rickettsia peacockii (strain Rustic).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rickettsiales;
OC   Rickettsiaceae; Rickettsieae; Rickettsia; spotted fever group.
OX   NCBI_TaxID=562019;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Rustic;
RX   PubMed=20027221; DOI=10.1371/journal.pone.0008361;
RA   Felsheim R.F., Kurtti T.J., Munderloh U.G.;
RT   "Genome sequence of the endosymbiont Rickettsia peacockii and comparison
RT   with virulent Rickettsia rickettsii: identification of virulence factors.";
RL   PLoS ONE 4:E8361-E8361(2009).
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; CP001227; ACR47054.1; -; Genomic_DNA.
DR   AlphaFoldDB; C4K0F2; -.
DR   SMR; C4K0F2; -.
DR   EnsemblBacteria; ACR47054; ACR47054; RPR_00270.
DR   KEGG; rpk:RPR_00270; -.
DR   HOGENOM; CLU_032087_0_3_5; -.
DR   OMA; ELQFIRW; -.
DR   Proteomes; UP000005015; 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; IPR005728; Rickett_RPE.
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; TIGR01045; RPE1; 1.
DR   TIGRFAMs; TIGR00431; TruB; 1.
PE   3: Inferred from homology;
KW   Isomerase; tRNA processing.
FT   CHAIN           1..345
FT                   /note="tRNA pseudouridine synthase B"
FT                   /id="PRO_1000213508"
FT   ACT_SITE        39
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ   SEQUENCE   345 AA;  38870 MW;  09276D02615710F1 CRC64;
     MSNYWLNIYK PRGISSAQLV SIVKKILGRT KIGHAGTLDV EAEGILPFAV GEATKLIHLL
     IDARKTYIFT VKFGMQTNSG DCAGKVIATK YCVPSQEEAY AVCSKFIGNV TQIPPAFSAL
     KVNGVRAYKL AREEKKVELK PRNTTIYDLK CLNFDEKNAT ATYYTECSKG TYIRTLAEDL
     ALSLQSLGFV IELRRTQVGI FKEENAIRIK SPDEITKNAL EEKSIKIEAI LDDILVLDAT
     DSQAQQIKYG QKCLFNYEKD FRHLAKFAYR EEFKGNTERS TTAYTLVRED ASTGLTYKLP
     LEVEFGKMSI DLVWVRYKGT LLAIGSLNKS CFNSLRVFNL TQDFF