TRUB_BACFN
ID TRUB_BACFN Reviewed; 233 AA.
AC Q5LJ29;
DT 04-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT 21-JUN-2005, sequence version 1.
DT 25-MAY-2022, entry version 90.
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=BF0069;
OS Bacteroides fragilis (strain ATCC 25285 / DSM 2151 / CCUG 4856 / JCM 11019
OS / NCTC 9343 / Onslow).
OC Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae;
OC Bacteroides.
OX NCBI_TaxID=272559;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 25285 / DSM 2151 / CCUG 4856 / JCM 11019 / NCTC 9343 / Onslow;
RX PubMed=15746427; DOI=10.1126/science.1107008;
RA Cerdeno-Tarraga A.-M., Patrick S., Crossman L.C., Blakely G., Abratt V.,
RA Lennard N., Poxton I., Duerden B., Harris B., Quail M.A., Barron A.,
RA Clark L., Corton C., Doggett J., Holden M.T.G., Larke N., Line A., Lord A.,
RA Norbertczak H., Ormond D., Price C., Rabbinowitsch E., Woodward J.,
RA Barrell B.G., Parkhill J.;
RT "Extensive DNA inversions in the B. fragilis genome control variable gene
RT expression.";
RL Science 307:1463-1465(2005).
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; CR626927; CAH05847.1; -; Genomic_DNA.
DR RefSeq; WP_005783635.1; NC_003228.3.
DR AlphaFoldDB; Q5LJ29; -.
DR SMR; Q5LJ29; -.
DR STRING; 272559.BF9343_0068; -.
DR EnsemblBacteria; CAH05847; CAH05847; BF9343_0068.
DR GeneID; 66330803; -.
DR KEGG; bfs:BF9343_0068; -.
DR eggNOG; COG0130; Bacteria.
DR HOGENOM; CLU_032087_2_0_10; -.
DR OMA; ELQFIRW; -.
DR OrthoDB; 1166299at2; -.
DR Proteomes; UP000006731; 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..233
FT /note="tRNA pseudouridine synthase B"
FT /id="PRO_0000229341"
FT ACT_SITE 48
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ SEQUENCE 233 AA; 26247 MW; 6D585956E4D30677 CRC64;
MNFKEGEVLY FNKPLGWTSF KVVGHARYHM CRRMKVKKLK VGHAGTLDPL ATGVMIVCTG
KATKRIEEFQ YHTKEYVATI QLGATTPSYD LEHEIDATYP TEHITRELVE KTLKTFVGEI
QQIPPAFSAC KVDGARAYDL ARKGQEVELK PKLLVIDEIE LLECNLPEIK IRVVCSKGTY
IRALARDIGE ALQSGAHLTG LIRTRVGDVK LEQCLDPAKF AEWIDQQDVE ISD
