TRUB_NITSB
ID TRUB_NITSB Reviewed; 275 AA.
AC A6Q522;
DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT 21-AUG-2007, sequence version 1.
DT 25-MAY-2022, entry version 78.
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=NIS_1474;
OS Nitratiruptor sp. (strain SB155-2).
OC Bacteria; Proteobacteria; Epsilonproteobacteria; Nautiliales;
OC Nitratiruptoraceae; Nitratiruptor; unclassified Nitratiruptor.
OX NCBI_TaxID=387092;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SB155-2;
RX PubMed=17615243; DOI=10.1073/pnas.0700687104;
RA Nakagawa S., Takaki Y., Shimamura S., Reysenbach A.-L., Takai K.,
RA Horikoshi K.;
RT "Deep-sea vent epsilon-proteobacterial genomes provide insights into
RT emergence of pathogens.";
RL Proc. Natl. Acad. Sci. U.S.A. 104:12146-12150(2007).
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; AP009178; BAF70581.1; -; Genomic_DNA.
DR RefSeq; WP_012082844.1; NC_009662.1.
DR AlphaFoldDB; A6Q522; -.
DR SMR; A6Q522; -.
DR STRING; 387092.NIS_1474; -.
DR EnsemblBacteria; BAF70581; BAF70581; NIS_1474.
DR KEGG; nis:NIS_1474; -.
DR eggNOG; COG0130; Bacteria.
DR HOGENOM; CLU_032087_2_0_7; -.
DR OMA; ELQFIRW; -.
DR OrthoDB; 1166299at2; -.
DR Proteomes; UP000001118; 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 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 PANTHER; PTHR13767; PTHR13767; 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..275
FT /note="tRNA pseudouridine synthase B"
FT /id="PRO_1000084630"
FT ACT_SITE 38
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ SEQUENCE 275 AA; 31748 MW; FED7C1C09FAE8ED6 CRC64;
MNRLFVAYKP PFVSSNAFLH KIKKRYRVKK AGFSGTLDPF ACGTLIIAFG AYTKLFRFLQ
KYPKRYRTTI WLGASSPSLD IEKIESIQDV PPLDERTIKD IINSFVGEFT YIPPLFSAKK
VGGKRAYHFA ARGKQIDLKP VTSTIEEISF VHYRHPFITF EATVSEGTYI RSLAEAIAKK
LGFPGTLSYL ERLAEGKFVY ENENPLDPVQ YLRTKQNFVK KSKEAIFHGA KLTIDDLAYK
EDGEYHILFD DFFAIIRVEK KKVRYLLNQI PRKYQ