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TRUB_PICTO
ID   TRUB_PICTO              Reviewed;         349 AA.
AC   Q6L1A0;
DT   26-APR-2005, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   25-MAY-2022, entry version 96.
DE   RecName: Full=Probable tRNA pseudouridine synthase B {ECO:0000255|HAMAP-Rule:MF_01081};
DE            EC=5.4.99.25 {ECO:0000255|HAMAP-Rule:MF_01081};
DE   AltName: Full=tRNA pseudouridine(55) synthase {ECO:0000255|HAMAP-Rule:MF_01081};
DE            Short=Psi55 synthase {ECO:0000255|HAMAP-Rule:MF_01081};
DE   AltName: Full=tRNA pseudouridylate synthase {ECO:0000255|HAMAP-Rule:MF_01081};
DE   AltName: Full=tRNA-uridine isomerase {ECO:0000255|HAMAP-Rule:MF_01081};
GN   Name=truB {ECO:0000255|HAMAP-Rule:MF_01081}; OrderedLocusNames=PTO0667;
OS   Picrophilus torridus (strain ATCC 700027 / DSM 9790 / JCM 10055 / NBRC
OS   100828).
OC   Archaea; Candidatus Thermoplasmatota; Thermoplasmata; Thermoplasmatales;
OC   Picrophilaceae; Picrophilus.
OX   NCBI_TaxID=263820;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700027 / DSM 9790 / JCM 10055 / NBRC 100828;
RX   PubMed=15184674; DOI=10.1073/pnas.0401356101;
RA   Fuetterer O., Angelov A., Liesegang H., Gottschalk G., Schleper C.,
RA   Schepers B., Dock C., Antranikian G., Liebl W.;
RT   "Genome sequence of Picrophilus torridus and its implications for life
RT   around pH 0.";
RL   Proc. Natl. Acad. Sci. U.S.A. 101:9091-9096(2004).
CC   -!- FUNCTION: Could be responsible for synthesis of pseudouridine from
CC       uracil-55 in the psi GC loop of transfer RNAs. {ECO:0000255|HAMAP-
CC       Rule:MF_01081}.
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_01081};
CC   -!- SIMILARITY: Belongs to the pseudouridine synthase TruB family. Type 2
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_01081}.
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DR   EMBL; AE017261; AAT43252.1; -; Genomic_DNA.
DR   RefSeq; WP_011177468.1; NC_005877.1.
DR   AlphaFoldDB; Q6L1A0; -.
DR   SMR; Q6L1A0; -.
DR   STRING; 263820.PTO0667; -.
DR   EnsemblBacteria; AAT43252; AAT43252; PTO0667.
DR   GeneID; 2843985; -.
DR   KEGG; pto:PTO0667; -.
DR   PATRIC; fig|263820.9.peg.700; -.
DR   eggNOG; arCOG00987; Archaea.
DR   HOGENOM; CLU_032087_3_0_2; -.
DR   OMA; GPFKEDE; -.
DR   OrthoDB; 36028at2157; -.
DR   Proteomes; UP000000438; 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   Gene3D; 2.30.130.10; -; 1.
DR   HAMAP; MF_01081; TruB_arch; 1.
DR   InterPro; IPR020103; PsdUridine_synth_cat_dom_sf.
DR   InterPro; IPR002501; PsdUridine_synth_N.
DR   InterPro; IPR002478; PUA.
DR   InterPro; IPR015947; PUA-like_sf.
DR   InterPro; IPR036974; PUA_sf.
DR   InterPro; IPR004802; tRNA_PsdUridine_synth_B_fam.
DR   InterPro; IPR026326; TruB_arch.
DR   InterPro; IPR032819; TruB_C.
DR   PANTHER; PTHR23127; PTHR23127; 1.
DR   Pfam; PF01472; PUA; 1.
DR   Pfam; PF16198; TruB_C_2; 1.
DR   Pfam; PF01509; TruB_N; 1.
DR   SMART; SM00359; PUA; 1.
DR   SUPFAM; SSF55120; SSF55120; 1.
DR   SUPFAM; SSF88697; SSF88697; 1.
DR   TIGRFAMs; TIGR00425; CBF5; 1.
DR   PROSITE; PS50890; PUA; 1.
PE   3: Inferred from homology;
KW   Isomerase; Reference proteome; tRNA processing.
FT   CHAIN           1..349
FT                   /note="Probable tRNA pseudouridine synthase B"
FT                   /id="PRO_0000121965"
FT   DOMAIN          207..279
FT                   /note="PUA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01081"
FT   REGION          300..349
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        300..314
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        41
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01081"
SQ   SEQUENCE   349 AA;  39148 MW;  6A52C6699459924D CRC64;
     MSNLNGFIVV DKPKGPTSHQ IDSWIRDITG EPRVGHIGTL DPGVSGVLVM ALGKATKLID
     IVHRESKEYV SVLRTYDKYD HDSIKSVFKE FTGKIYQIPP VRSAVSRELR IREIYNLELL
     EMDEKFVLFK VCCESGTYIR TLCTDIGYVL GSGGQMAELR RTRTGPFDES MCHTLQEVSD
     AFKLKSMGNE KLFKNIFIPM DFIFIKYPKV IVKETALKNI AHGSDIYPAG IHAITGSPKK
     GDVVAVYTEK NELVATGTMM VNADEIYDLK VIDIDNVLIE TGDNDGKDSL VRKDNRWKDI
     PVQKPERKLH GNLQGSQEWK DTGNRGNPKR GGTGSKGFSS GFRKRKAKR
 
 
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