TRUB_SYMTH
ID TRUB_SYMTH Reviewed; 299 AA.
AC Q67P83;
DT 26-APR-2005, integrated into UniProtKB/Swiss-Prot.
DT 11-OCT-2004, 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=STH1525;
OS Symbiobacterium thermophilum (strain T / IAM 14863).
OC Bacteria; Firmicutes; Clostridia; Eubacteriales; Symbiobacteriaceae;
OC Symbiobacterium.
OX NCBI_TaxID=292459;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=T / IAM 14863;
RX PubMed=15383646; DOI=10.1093/nar/gkh830;
RA Ueda K., Yamashita A., Ishikawa J., Shimada M., Watsuji T., Morimura K.,
RA Ikeda H., Hattori M., Beppu T.;
RT "Genome sequence of Symbiobacterium thermophilum, an uncultivable bacterium
RT that depends on microbial commensalism.";
RL Nucleic Acids Res. 32:4937-4944(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; AP006840; BAD40510.1; -; Genomic_DNA.
DR RefSeq; WP_011195655.1; NC_006177.1.
DR AlphaFoldDB; Q67P83; -.
DR SMR; Q67P83; -.
DR STRING; 292459.STH1525; -.
DR EnsemblBacteria; BAD40510; BAD40510; STH1525.
DR KEGG; sth:STH1525; -.
DR eggNOG; COG0130; Bacteria.
DR HOGENOM; CLU_032087_0_1_9; -.
DR OMA; ELQFIRW; -.
DR OrthoDB; 1166299at2; -.
DR Proteomes; UP000000417; 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..299
FT /note="tRNA pseudouridine synthase B"
FT /id="PRO_0000121923"
FT DOMAIN 241..299
FT /note="PUA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
FT ACT_SITE 49
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ SEQUENCE 299 AA; 31525 MW; 3E89DDC7DB3C4E6A CRC64;
MARAQNEAAS EVDGVLNLLK PPGMTSHDVV AFVRRALGVK KAGHTGTLDP GVAGVLPVCV
GRATRLAEYI AGSDKAYRAE ITFGVATDTQ DGFGEVVAEA DASHLTRGDV AYALTRFHGP
IEQVPPMVSA VKVGGKRLYE LARKGVEVER EPRRVFIHRL QLLDFRPGPR PVAYIDVVCS
KGTYVRTLAH DLGRFLQVGA HLSYLVRTRS GPFVLAQAAT LEELAAGKAR LLPPAAALGD
MPRVTVSGRA AARVLHGVAP AVRVEHPDGT TVAVVAANGA LLALAEADGG GLRLRKVFG
