TRUB_ENDTX
ID TRUB_ENDTX Reviewed; 230 AA.
AC B1GZN9;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 29-APR-2008, sequence version 1.
DT 25-MAY-2022, entry version 76.
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=TGRD_238;
OS Endomicrobium trichonymphae.
OC Bacteria; Elusimicrobia; Endomicrobia; Endomicrobiales; Endomicrobiaceae;
OC Endomicrobium.
OX NCBI_TaxID=1408204;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=18391199; DOI=10.1073/pnas.0801389105;
RA Hongoh Y., Sharma V.K., Prakash T., Noda S., Taylor T.D., Kudo T.,
RA Sakaki Y., Toyoda A., Hattori M., Ohkuma M.;
RT "Complete genome of the uncultured termite group 1 bacteria in a single
RT host protist cell.";
RL Proc. Natl. Acad. Sci. U.S.A. 105:5555-5560(2008).
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; AP009510; BAG13721.1; -; Genomic_DNA.
DR RefSeq; WP_015423248.1; NC_020419.1.
DR RefSeq; YP_001956182.1; NC_020419.1.
DR AlphaFoldDB; B1GZN9; -.
DR SMR; B1GZN9; -.
DR STRING; 471821.TGRD_238; -.
DR EnsemblBacteria; BAG13721; BAG13721; TGRD_238.
DR KEGG; rsd:TGRD_238; -.
DR PATRIC; fig|471821.5.peg.354; -.
DR HOGENOM; CLU_032087_2_0_0; -.
DR OMA; ELQFIRW; -.
DR OrthoDB; 1166299at2; -.
DR Proteomes; UP000001691; 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; tRNA processing.
FT CHAIN 1..230
FT /note="tRNA pseudouridine synthase B"
FT /id="PRO_1000136820"
FT ACT_SITE 45
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ SEQUENCE 230 AA; 25778 MW; 881263FE0DB0A41F CRC64;
MSQSYNNIDG LLLLDKPFGI TSFDAVYKIK KVLNVEKTGH CGTLDPASTG LLLVLMGKAT
KLQAKFMKKD KVYLSSFLLG MVTDSGDLDG KVISENSVLN INIEKIKKMV EMFEGEIFQI
PPMYSALKYN GKKLCELARQ GIEVERKPRK VTIKKFEVLS YDGDIVKVRI ECSSGTYIRT
LAQDLGNVLK CGATVKTLRR EKIDIFDIKD ALRFKDTDSA DKIIKKLIPL