TRUB_STRT2
ID TRUB_STRT2 Reviewed; 293 AA.
AC Q5M4G2;
DT 26-APR-2005, integrated into UniProtKB/Swiss-Prot.
DT 01-FEB-2005, 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=stu0995;
OS Streptococcus thermophilus (strain ATCC BAA-250 / LMG 18311).
OC Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC Streptococcus.
OX NCBI_TaxID=264199;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-250 / LMG 18311;
RX PubMed=15543133; DOI=10.1038/nbt1034;
RA Bolotin A., Quinquis B., Renault P., Sorokin A., Ehrlich S.D.,
RA Kulakauskas S., Lapidus A., Goltsman E., Mazur M., Pusch G.D., Fonstein M.,
RA Overbeek R., Kyprides N., Purnelle B., Prozzi D., Ngui K., Masuy D.,
RA Hancy F., Burteau S., Boutry M., Delcour J., Goffeau A., Hols P.;
RT "Complete sequence and comparative genome analysis of the dairy bacterium
RT Streptococcus thermophilus.";
RL Nat. Biotechnol. 22:1554-1558(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; CP000023; AAV60655.1; -; Genomic_DNA.
DR RefSeq; WP_004197018.1; NC_006448.1.
DR AlphaFoldDB; Q5M4G2; -.
DR SMR; Q5M4G2; -.
DR STRING; 264199.stu0995; -.
DR EnsemblBacteria; AAV60655; AAV60655; stu0995.
DR GeneID; 66898841; -.
DR KEGG; stl:stu0995; -.
DR eggNOG; COG0130; Bacteria.
DR HOGENOM; CLU_032087_0_1_9; -.
DR OMA; ELQFIRW; -.
DR Proteomes; UP000001170; 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..293
FT /note="tRNA pseudouridine synthase B"
FT /id="PRO_0000121922"
FT ACT_SITE 39
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ SEQUENCE 293 AA; 31867 MW; 259B8ABFD40C0C07 CRC64;
MISGIINLKK EAGMTSHDAV FKLRKILHEK KIGHGGTLDP DVTGVLPIAV GKATRVIEYM
TEAGKVYEGE ITIGFSTTTE DASGEVVQTT PITELDGATV DQAMASFEGE ITQIPPMYSA
VKINGKKLYE YARAGEEVER PQRQVKITEF VRTSPIELEN GTARFTFRVA CSKGTYVRTL
SVDLGVKLGF ASHMSALRRT ASAGLTLDSS LSLSQISEMV EAGDQSFLLP IEFGVQDLPA
VQVTEDDAKE ISFGRFISIN SQEPLVAAFL GDKVLAIMEK RGQVYKPRKV LSQ
