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RSMB_PSESM
ID   RSMB_PSESM              Reviewed;         448 AA.
AC   Q88B41;
DT   13-APR-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 110.
DE   RecName: Full=Ribosomal RNA small subunit methyltransferase B;
DE            EC=2.1.1.176;
DE   AltName: Full=16S rRNA m5C967 methyltransferase;
DE   AltName: Full=rRNA (cytosine-C(5)-)-methyltransferase RsmB;
GN   Name=rsmB; Synonyms=rrmB, sun; OrderedLocusNames=PSPTO_0179;
OS   Pseudomonas syringae pv. tomato (strain ATCC BAA-871 / DC3000).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=223283;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-871 / DC3000;
RX   PubMed=12928499; DOI=10.1073/pnas.1731982100;
RA   Buell C.R., Joardar V., Lindeberg M., Selengut J., Paulsen I.T.,
RA   Gwinn M.L., Dodson R.J., DeBoy R.T., Durkin A.S., Kolonay J.F., Madupu R.,
RA   Daugherty S.C., Brinkac L.M., Beanan M.J., Haft D.H., Nelson W.C.,
RA   Davidsen T.M., Zafar N., Zhou L., Liu J., Yuan Q., Khouri H.M.,
RA   Fedorova N.B., Tran B., Russell D., Berry K.J., Utterback T.R.,
RA   Van Aken S.E., Feldblyum T.V., D'Ascenzo M., Deng W.-L., Ramos A.R.,
RA   Alfano J.R., Cartinhour S., Chatterjee A.K., Delaney T.P., Lazarowitz S.G.,
RA   Martin G.B., Schneider D.J., Tang X., Bender C.L., White O., Fraser C.M.,
RA   Collmer A.;
RT   "The complete genome sequence of the Arabidopsis and tomato pathogen
RT   Pseudomonas syringae pv. tomato DC3000.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:10181-10186(2003).
CC   -!- FUNCTION: Specifically methylates the cytosine at position 967 (m5C967)
CC       of 16S rRNA. {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=cytidine(967) in 16S rRNA + S-adenosyl-L-methionine = 5-
CC         methylcytidine(967) in 16S rRNA + H(+) + S-adenosyl-L-homocysteine;
CC         Xref=Rhea:RHEA:42748, Rhea:RHEA-COMP:10219, Rhea:RHEA-COMP:10220,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC         ChEBI:CHEBI:74483, ChEBI:CHEBI:82748; EC=2.1.1.176;
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC       superfamily. RsmB/NOP family. {ECO:0000255|PROSITE-ProRule:PRU01023}.
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DR   EMBL; AE016853; AAO53733.1; -; Genomic_DNA.
DR   RefSeq; NP_790038.1; NC_004578.1.
DR   RefSeq; WP_011103025.1; NC_004578.1.
DR   AlphaFoldDB; Q88B41; -.
DR   SMR; Q88B41; -.
DR   STRING; 223283.PSPTO_0179; -.
DR   PRIDE; Q88B41; -.
DR   EnsemblBacteria; AAO53733; AAO53733; PSPTO_0179.
DR   GeneID; 1181787; -.
DR   KEGG; pst:PSPTO_0179; -.
DR   PATRIC; fig|223283.9.peg.185; -.
DR   eggNOG; COG0144; Bacteria.
DR   HOGENOM; CLU_005316_0_4_6; -.
DR   OMA; RVNRQHH; -.
DR   OrthoDB; 1064993at2; -.
DR   PhylomeDB; Q88B41; -.
DR   Proteomes; UP000002515; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0003723; F:RNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0008649; F:rRNA methyltransferase activity; IEA:InterPro.
DR   GO; GO:0006355; P:regulation of transcription, DNA-templated; IEA:InterPro.
DR   Gene3D; 1.10.940.10; -; 1.
DR   Gene3D; 3.40.50.150; -; 1.
DR   InterPro; IPR018314; Fmu/NOL1/Nop2p_CS.
DR   InterPro; IPR001678; MeTrfase_RsmB/NOP2.
DR   InterPro; IPR035926; NusB-like_sf.
DR   InterPro; IPR006027; NusB_RsmB_TIM44.
DR   InterPro; IPR023267; RCMT.
DR   InterPro; IPR004573; rRNA_ssu_MeTfrase_B.
DR   InterPro; IPR029063; SAM-dependent_MTases_sf.
DR   PANTHER; PTHR22807; PTHR22807; 1.
DR   Pfam; PF01189; Methyltr_RsmB-F; 1.
DR   Pfam; PF01029; NusB; 1.
DR   PRINTS; PR02008; RCMTFAMILY.
DR   SUPFAM; SSF48013; SSF48013; 1.
DR   SUPFAM; SSF53335; SSF53335; 1.
DR   TIGRFAMs; TIGR00563; rsmB; 1.
DR   PROSITE; PS01153; NOL1_NOP2_SUN; 1.
DR   PROSITE; PS51686; SAM_MT_RSMB_NOP; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Methyltransferase; Reference proteome; Ribosome biogenesis;
KW   RNA-binding; rRNA processing; S-adenosyl-L-methionine; Transferase.
FT   CHAIN           1..448
FT                   /note="Ribosomal RNA small subunit methyltransferase B"
FT                   /id="PRO_0000211801"
FT   ACT_SITE        373
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01023"
FT   BINDING         251..257
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01023"
FT   BINDING         275
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01023"
FT   BINDING         301
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01023"
FT   BINDING         320
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01023"
SQ   SEQUENCE   448 AA;  48480 MW;  67484C873ADB68AC CRC64;
     MNPRLAAAKA LAAVLSGKAS LNSSLPTQLD KVELRDRGLT QDLAFGTARW QPRLSALAAK
     LLQKPFKAAD ADVEALLLVG LYQLFYSRIP AHAAIGETVG CADKLKKPWA KGLLNAVLRN
     AQRDGEALLI ELEHDPVVRT AHPRWLQKAL KAAWPEQWEA ICAANNAHPP MILRVNRRHQ
     RRDQYLELLK TAGLEASACT FSQDGIVLAE PCDVRSLPGF AEGWISVQDE AAQLAADLLE
     LAPGQRVLDA CCAPGGKTCH LLEVQPQLSG VVAVDLEAKR LVRVRENLER LGLDAELIAA
     DARETAQWWD GKPFQRILLD APCSATGVIR RHPDIKLTRQ LDDIAALATL QGELLDALWP
     TLQVGGMLVY ATCSTLPTEN TDVIEAFLAR TSGARELDIA GQAGQPPAGI KQPHGRQLLA
     QQGGHDGFYY AKLIKIAAQD RGGAGVTS
 
 
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