ID   Y361_SYNY3              Reviewed;         249 AA.
AC   Q55578;
DT   15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   03-AUG-2022, entry version 131.
DE   RecName: Full=Uncharacterized RNA pseudouridine synthase slr0361;
DE            EC=5.4.99.-;
DE   AltName: Full=RNA pseudouridylate synthase;
DE   AltName: Full=RNA-uridine isomerase;
GN   OrderedLocusNames=slr0361;
OS   Synechocystis sp. (strain PCC 6803 / Kazusa).
OC   Bacteria; Cyanobacteria; Synechococcales; Merismopediaceae; Synechocystis;
OC   unclassified Synechocystis.
OX   NCBI_TaxID=1111708;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 27184 / PCC 6803 / N-1;
RX   PubMed=8590279; DOI=10.1093/dnares/2.4.153;
RA   Kaneko T., Tanaka A., Sato S., Kotani H., Sazuka T., Miyajima N.,
RA   Sugiura M., Tabata S.;
RT   "Sequence analysis of the genome of the unicellular cyanobacterium
RT   Synechocystis sp. strain PCC6803. I. Sequence features in the 1 Mb region
RT   from map positions 64% to 92% of the genome.";
RL   DNA Res. 2:153-166(1995).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 6803 / Kazusa;
RX   PubMed=8905231; DOI=10.1093/dnares/3.3.109;
RA   Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y.,
RA   Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T.,
RA   Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S.,
RA   Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.;
RT   "Sequence analysis of the genome of the unicellular cyanobacterium
RT   Synechocystis sp. strain PCC6803. II. Sequence determination of the entire
RT   genome and assignment of potential protein-coding regions.";
RL   DNA Res. 3:109-136(1996).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a uridine in RNA = a pseudouridine in RNA;
CC         Xref=Rhea:RHEA:48348, Rhea:RHEA-COMP:12068, Rhea:RHEA-COMP:12069,
CC         ChEBI:CHEBI:65314, ChEBI:CHEBI:65315;
CC   -!- SIMILARITY: Belongs to the pseudouridine synthase RsuA family.
CC       {ECO:0000305}.
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DR   EMBL; BA000022; BAA10082.1; -; Genomic_DNA.
DR   PIR; S76104; S76104.
DR   AlphaFoldDB; Q55578; -.
DR   SMR; Q55578; -.
DR   IntAct; Q55578; 2.
DR   STRING; 1148.1001457; -.
DR   PaxDb; Q55578; -.
DR   EnsemblBacteria; BAA10082; BAA10082; BAA10082.
DR   KEGG; syn:slr0361; -.
DR   eggNOG; COG1187; Bacteria.
DR   InParanoid; Q55578; -.
DR   OMA; HVPKTYE; -.
DR   PhylomeDB; Q55578; -.
DR   Proteomes; UP000001425; Chromosome.
DR   GO; GO:0003723; F:RNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0120159; F:rRNA pseudouridine synthase activity; IEA:UniProt.
DR   GO; GO:0000455; P:enzyme-directed rRNA pseudouridine synthesis; IEA:UniProt.
DR   CDD; cd00165; S4; 1.
DR   Gene3D; 3.10.290.10; -; 1.
DR   Gene3D; 3.30.70.1560; -; 1.
DR   Gene3D; 3.30.70.580; -; 1.
DR   InterPro; IPR042092; PsdUridine_s_RsuA/RluB/E/F_cat.
DR   InterPro; IPR020103; PsdUridine_synth_cat_dom_sf.
DR   InterPro; IPR006145; PsdUridine_synth_RsuA/RluA.
DR   InterPro; IPR000748; PsdUridine_synth_RsuA/RluB/E/F.
DR   InterPro; IPR018496; PsdUridine_synth_RsuA/RluB_CS.
DR   InterPro; IPR002942; S4_RNA-bd.
DR   InterPro; IPR036986; S4_RNA-bd_sf.
DR   InterPro; IPR020094; TruA/RsuA/RluB/E/F_N.
DR   Pfam; PF00849; PseudoU_synth_2; 1.
DR   Pfam; PF01479; S4; 1.
DR   SMART; SM00363; S4; 1.
DR   SUPFAM; SSF55120; SSF55120; 1.
DR   TIGRFAMs; TIGR00093; TIGR00093; 1.
DR   PROSITE; PS01149; PSI_RSU; 1.
DR   PROSITE; PS50889; S4; 1.
PE   3: Inferred from homology;
KW   Isomerase; Reference proteome; RNA-binding.
FT   CHAIN           1..249
FT                   /note="Uncharacterized RNA pseudouridine synthase slr0361"
FT                   /id="PRO_0000100000"
FT   DOMAIN          3..70
FT                   /note="S4 RNA-binding"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00182"
FT   ACT_SITE        109
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   249 AA;  28229 MW;  315F208030180326 CRC64;
     MAERIQKLLS QWGIASRRHA EEMILAGRVS VNGKVANLGD KADPQQDFLS VDGKQIKADN
     RPRDIYLLVN KPRDVLSTCD DPRGRKTVLD LLPQDLQRGK GLHPVGRLDR NSTGALLLTN
     DGELTLRLTH PRYHLPKTYD VWLEGNPSDE DLEKWRSGMM LDGKKTLPAT LEVISENKDQ
     IHLLVTLTEG RNRQIRRLAE ELGLTVLKLH RRTIGPLQLH TRGKVLGSGQ FRFLSPAEIR
     LLKKQVNLR