ID   TRUB_LEIXX              Reviewed;         302 AA.
AC   Q6AG41;
DT   11-OCT-2004, integrated into UniProtKB/Swiss-Prot.
DT   13-SEP-2004, sequence version 1.
DT   25-MAY-2022, entry version 99.
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=Lxx07250;
OS   Leifsonia xyli subsp. xyli (strain CTCB07).
OC   Bacteria; Actinobacteria; Micrococcales; Microbacteriaceae; Leifsonia.
OX   NCBI_TaxID=281090;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CTCB07;
RX   PubMed=15305603; DOI=10.1094/mpmi.2004.17.8.827;
RA   Monteiro-Vitorello C.B., Camargo L.E.A., Van Sluys M.A., Kitajima J.P.,
RA   Truffi D., do Amaral A.M., Harakava R., de Oliveira J.C.F., Wood D.,
RA   de Oliveira M.C., Miyaki C.Y., Takita M.A., da Silva A.C.R., Furlan L.R.,
RA   Carraro D.M., Camarotte G., Almeida N.F. Jr., Carrer H., Coutinho L.L.,
RA   El-Dorry H.A., Ferro M.I.T., Gagliardi P.R., Giglioti E., Goldman M.H.S.,
RA   Goldman G.H., Kimura E.T., Ferro E.S., Kuramae E.E., Lemos E.G.M.,
RA   Lemos M.V.F., Mauro S.M.Z., Machado M.A., Marino C.L., Menck C.F.,
RA   Nunes L.R., Oliveira R.C., Pereira G.G., Siqueira W., de Souza A.A.,
RA   Tsai S.M., Zanca A.S., Simpson A.J.G., Brumbley S.M., Setubal J.C.;
RT   "The genome sequence of the Gram-positive sugarcane pathogen Leifsonia xyli
RT   subsp. xyli.";
RL   Mol. Plant Microbe Interact. 17:827-836(2004).
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; AE016822; AAT88654.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q6AG41; -.
DR   SMR; Q6AG41; -.
DR   STRING; 281090.Lxx07250; -.
DR   EnsemblBacteria; AAT88654; AAT88654; Lxx07250.
DR   KEGG; lxx:Lxx07250; -.
DR   eggNOG; COG0130; Bacteria.
DR   HOGENOM; CLU_032087_0_0_11; -.
DR   OMA; ELQFIRW; -.
DR   Proteomes; UP000001306; 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; Reference proteome; tRNA processing.
FT   CHAIN           1..302
FT                   /note="tRNA pseudouridine synthase B"
FT                   /id="PRO_0000121854"
FT   ACT_SITE        42
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ   SEQUENCE   302 AA;  31804 MW;  8903C466AE20AFB0 CRC64;
     MGMIGSGLLL IDKPGGWTSH DVVARVRRLA GTRKVGHAGT LDPMATGLLV LGLNSSTRLL
     TYIVGAEKEY VGTIRLGAAT TTDDIEGEIL ERAEPAALAA VAESSIAEGI AALTGEIEQV
     PSAVSAVKVD GKRAYARVRA GEEVVLPARA VTVSAFRLLS ERREQDAIDL EVRVVCSSGT
     YIRSLARDLG ARLGVGGHLA ALRRTRVGGY DVRRAHELAT LEPAAALIPA TEAASSLFER
     LRLTEQQATD LAHGKRLHLA GWEGPRGEPV AAIAPSGSLV GLIEFRGKEA RTLVNFPADE
     IA