ID   RSUA_ECO57              Reviewed;         231 AA.
AC   P0AA45; P33918;
DT   13-SEP-2005, integrated into UniProtKB/Swiss-Prot.
DT   13-SEP-2005, sequence version 1.
DT   03-AUG-2022, entry version 96.
DE   RecName: Full=Ribosomal small subunit pseudouridine synthase A;
DE            EC=5.4.99.19;
DE   AltName: Full=16S pseudouridylate 516 synthase;
DE   AltName: Full=16S rRNA pseudouridine(516) synthase;
DE   AltName: Full=rRNA pseudouridylate synthase A;
DE   AltName: Full=rRNA-uridine isomerase A;
GN   Name=rsuA; OrderedLocusNames=Z3442, ECs3075;
OS   Escherichia coli O157:H7.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=83334;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=O157:H7 / EDL933 / ATCC 700927 / EHEC;
RX   PubMed=11206551; DOI=10.1038/35054089;
RA   Perna N.T., Plunkett G. III, Burland V., Mau B., Glasner J.D., Rose D.J.,
RA   Mayhew G.F., Evans P.S., Gregor J., Kirkpatrick H.A., Posfai G.,
RA   Hackett J., Klink S., Boutin A., Shao Y., Miller L., Grotbeck E.J.,
RA   Davis N.W., Lim A., Dimalanta E.T., Potamousis K., Apodaca J.,
RA   Anantharaman T.S., Lin J., Yen G., Schwartz D.C., Welch R.A.,
RA   Blattner F.R.;
RT   "Genome sequence of enterohaemorrhagic Escherichia coli O157:H7.";
RL   Nature 409:529-533(2001).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=O157:H7 / Sakai / RIMD 0509952 / EHEC;
RX   PubMed=11258796; DOI=10.1093/dnares/8.1.11;
RA   Hayashi T., Makino K., Ohnishi M., Kurokawa K., Ishii K., Yokoyama K.,
RA   Han C.-G., Ohtsubo E., Nakayama K., Murata T., Tanaka M., Tobe T., Iida T.,
RA   Takami H., Honda T., Sasakawa C., Ogasawara N., Yasunaga T., Kuhara S.,
RA   Shiba T., Hattori M., Shinagawa H.;
RT   "Complete genome sequence of enterohemorrhagic Escherichia coli O157:H7 and
RT   genomic comparison with a laboratory strain K-12.";
RL   DNA Res. 8:11-22(2001).
CC   -!- FUNCTION: Responsible for synthesis of pseudouridine from uracil-516 in
CC       16S ribosomal RNA. {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=uridine(516) in 16S rRNA = pseudouridine(516) in 16S rRNA;
CC         Xref=Rhea:RHEA:38867, Rhea:RHEA-COMP:10089, Rhea:RHEA-COMP:10090,
CC         ChEBI:CHEBI:65314, ChEBI:CHEBI:65315; EC=5.4.99.19;
CC   -!- SUBUNIT: Monomer. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the pseudouridine synthase RsuA family.
CC       {ECO:0000305}.
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DR   EMBL; AE005174; AAG57321.1; -; Genomic_DNA.
DR   EMBL; BA000007; BAB36498.1; -; Genomic_DNA.
DR   PIR; C91013; C91013.
DR   PIR; E85857; E85857.
DR   RefSeq; NP_311102.1; NC_002695.1.
DR   RefSeq; WP_001234850.1; NZ_SWKA01000005.1.
DR   AlphaFoldDB; P0AA45; -.
DR   SMR; P0AA45; -.
DR   STRING; 155864.EDL933_3350; -.
DR   EnsemblBacteria; AAG57321; AAG57321; Z3442.
DR   EnsemblBacteria; BAB36498; BAB36498; ECs_3075.
DR   GeneID; 66673920; -.
DR   GeneID; 916779; -.
DR   KEGG; ece:Z3442; -.
DR   KEGG; ecs:ECs_3075; -.
DR   PATRIC; fig|386585.9.peg.3207; -.
DR   eggNOG; COG1187; Bacteria.
DR   HOGENOM; CLU_024979_1_2_6; -.
DR   OMA; HVPKTYE; -.
DR   Proteomes; UP000000558; Chromosome.
DR   Proteomes; UP000002519; Chromosome.
DR   GO; GO:0003723; F:RNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0120159; F:rRNA pseudouridine synthase activity; IEA:UniProtKB-EC.
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; rRNA processing.
FT   CHAIN           1..231
FT                   /note="Ribosomal small subunit pseudouridine synthase A"
FT                   /id="PRO_0000099968"
FT   DOMAIN          1..68
FT                   /note="S4 RNA-binding"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00182"
FT   ACT_SITE        102
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   231 AA;  25865 MW;  04EB7154931C58F7 CRC64;
     MRLDKFIAQQ LGVSRAIAGR EIRGNRVTVD GEIVRNAAFK LLPEHDVAYD GNPLAQQHGP
     RYFMLNKPQG YVCSTDDPDH PTVLYFLDEP VAWKLHAAGR LDIDTTGLVL MTDDGQWSHR
     ITSPRHHCEK TYLVTLESPV ADDTAEQFAK GVQLHNEKDL TKPAVLEVIT PTQVRLTISE
     GRYHQVKRMF AAVGNHVVEL HRERIGGITL DADLAPGEYR PLTEEEIASV V