ID   TRUB_GLOVI              Reviewed;         292 AA.
AC   Q7MBB8;
DT   16-FEB-2004, integrated into UniProtKB/Swiss-Prot.
DT   15-DEC-2003, sequence version 1.
DT   25-MAY-2022, entry version 103.
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=gll3690;
OS   Gloeobacter violaceus (strain ATCC 29082 / PCC 7421).
OC   Bacteria; Cyanobacteria; Gloeobacteria; Gloeobacterales; Gloeobacteraceae;
OC   Gloeobacter.
OX   NCBI_TaxID=251221;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29082 / PCC 7421;
RX   PubMed=14621292; DOI=10.1093/dnares/10.4.137;
RA   Nakamura Y., Kaneko T., Sato S., Mimuro M., Miyashita H., Tsuchiya T.,
RA   Sasamoto S., Watanabe A., Kawashima K., Kishida Y., Kiyokawa C., Kohara M.,
RA   Matsumoto M., Matsuno A., Nakazaki N., Shimpo S., Takeuchi C., Yamada M.,
RA   Tabata S.;
RT   "Complete genome structure of Gloeobacter violaceus PCC 7421, a
RT   cyanobacterium that lacks thylakoids.";
RL   DNA Res. 10:137-145(2003).
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; BA000045; BAC91631.1; -; Genomic_DNA.
DR   RefSeq; NP_926636.1; NC_005125.1.
DR   RefSeq; WP_011143679.1; NC_005125.1.
DR   AlphaFoldDB; Q7MBB8; -.
DR   SMR; Q7MBB8; -.
DR   STRING; 251221.35214262; -.
DR   EnsemblBacteria; BAC91631; BAC91631; BAC91631.
DR   KEGG; gvi:gll3690; -.
DR   PATRIC; fig|251221.4.peg.3724; -.
DR   eggNOG; COG0130; Bacteria.
DR   HOGENOM; CLU_032087_0_0_3; -.
DR   InParanoid; Q7MBB8; -.
DR   OMA; ELQFIRW; -.
DR   OrthoDB; 1166299at2; -.
DR   PhylomeDB; Q7MBB8; -.
DR   Proteomes; UP000000557; Chromosome.
DR   GO; GO:0009982; F:pseudouridine synthase activity; IBA:GO_Central.
DR   GO; GO:0003723; F:RNA binding; IEA:InterPro.
DR   GO; GO:0106029; F:tRNA pseudouridine synthase activity; IEA:UniProtKB-EC.
DR   GO; GO:1990481; P:mRNA pseudouridine synthesis; IBA:GO_Central.
DR   GO; GO:0006400; P:tRNA modification; IBA:GO_Central.
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; IPR015240; tRNA_sdUridine_synth_fam1_C.
DR   InterPro; IPR032819; TruB_C.
DR   PANTHER; PTHR13767; PTHR13767; 1.
DR   Pfam; PF09157; TruB-C_2; 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..292
FT                   /note="tRNA pseudouridine synthase B"
FT                   /id="PRO_0000121840"
FT   ACT_SITE        38
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ   SEQUENCE   292 AA;  31197 MW;  7103380651CAE582 CRC64;
     MEGFLNLDKP AGLTSHDCIA RLRRVLGERR IGHGGTLDPA ATGVLPVAVG RATRLLRFLS
     EGKVYRATVR FGLSTDTDDL EGNILADAGA ADLDLGRVQV HLQAFRGTIS QVPPRYSAIH
     QEGERLYDLA RRGVAIAEIA PRTVEIQALT VLDWYPGHYP ELQIEIACST GTYIRSIARD
     LGTALGTGAT LARLLRTRSG PFALEASLPL AAVEAGFQAG TVPLIGPRTA LAHLAAVHLE
     PPLAARWLMG QRVPGDCEGA FAQIWECETD RFLGVAACEA GSLQPLVVLP TL