ID   TRUB_MYCA1              Reviewed;         309 AA.
AC   A0QIX1;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   09-JAN-2007, sequence version 1.
DT   25-MAY-2022, entry version 93.
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=MAV_3682;
OS   Mycobacterium avium (strain 104).
OC   Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC   Mycobacterium; Mycobacterium avium complex (MAC).
OX   NCBI_TaxID=243243;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=104;
RA   Fleischmann R.D., Dodson R.J., Haft D.H., Merkel J.S., Nelson W.C.,
RA   Fraser C.M.;
RL   Submitted (OCT-2006) 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; CP000479; ABK66295.1; -; Genomic_DNA.
DR   RefSeq; WP_011725615.1; NC_008595.1.
DR   AlphaFoldDB; A0QIX1; -.
DR   SMR; A0QIX1; -.
DR   EnsemblBacteria; ABK66295; ABK66295; MAV_3682.
DR   KEGG; mav:MAV_3682; -.
DR   HOGENOM; CLU_032087_0_0_11; -.
DR   OMA; ELQFIRW; -.
DR   OrthoDB; 1166299at2; -.
DR   Proteomes; UP000001574; 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; IPR015947; PUA-like_sf.
DR   InterPro; IPR036974; PUA_sf.
DR   InterPro; IPR015225; tRNA_psdUridine_synth_fam2_C.
DR   InterPro; IPR014780; tRNA_psdUridine_synth_TruB.
DR   InterPro; IPR032819; TruB_C.
DR   PANTHER; PTHR13767; PTHR13767; 1.
DR   Pfam; PF09142; TruB_C; 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.
PE   3: Inferred from homology;
KW   Isomerase; tRNA processing.
FT   CHAIN           1..309
FT                   /note="tRNA pseudouridine synthase B"
FT                   /id="PRO_1000084626"
FT   ACT_SITE        40
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ   SEQUENCE   309 AA;  32193 MW;  169B32E42A29B361 CRC64;
     MSPPGLVVVD KPAGMTSHDV VGRCRRIFAT RRVGHAGTLD PMATGVLVLG VERATKILGL
     LTAAAKSYSA TIRLGQATST DDAEGDVVRS VDARHLTSQA IEAAVGGLRG DIHQVPSTVS
     AIKVAGKRAY KLVREGQAVE LPARPVRIDR FEVRDLRAAG ECVDVDVEVD CSSGTYVRAL
     ARDLGAALGV GGHLTALRRT RVGRFGLEQA YGLDELAECP RLSYSLDEAC LLIFGRRDLS
     ADEAEAAGNG RALAAAAAGN GRALAAAGID GVYAACAPDG RVIALLRDEG ARTRSVVVIR
     PATMQDGTS