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RSMB_SALPA
ID   RSMB_SALPA              Reviewed;         429 AA.
AC   Q5PIT6;
DT   03-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   04-JAN-2005, sequence version 1.
DT   03-AUG-2022, entry version 94.
DE   RecName: Full=Ribosomal RNA small subunit methyltransferase B {ECO:0000255|HAMAP-Rule:MF_01856};
DE            EC=2.1.1.176 {ECO:0000255|HAMAP-Rule:MF_01856};
DE   AltName: Full=16S rRNA m5C967 methyltransferase {ECO:0000255|HAMAP-Rule:MF_01856};
DE   AltName: Full=rRNA (cytosine-C(5)-)-methyltransferase RsmB {ECO:0000255|HAMAP-Rule:MF_01856};
GN   Name=rsmB {ECO:0000255|HAMAP-Rule:MF_01856};
GN   Synonyms=sun {ECO:0000255|HAMAP-Rule:MF_01856}; OrderedLocusNames=SPA3275;
OS   Salmonella paratyphi A (strain ATCC 9150 / SARB42).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Salmonella.
OX   NCBI_TaxID=295319;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 9150 / SARB42;
RX   PubMed=15531882; DOI=10.1038/ng1470;
RA   McClelland M., Sanderson K.E., Clifton S.W., Latreille P., Porwollik S.,
RA   Sabo A., Meyer R., Bieri T., Ozersky P., McLellan M., Harkins C.R.,
RA   Wang C., Nguyen C., Berghoff A., Elliott G., Kohlberg S., Strong C., Du F.,
RA   Carter J., Kremizki C., Layman D., Leonard S., Sun H., Fulton L., Nash W.,
RA   Miner T., Minx P., Delehaunty K., Fronick C., Magrini V., Nhan M.,
RA   Warren W., Florea L., Spieth J., Wilson R.K.;
RT   "Comparison of genome degradation in Paratyphi A and Typhi, human-
RT   restricted serovars of Salmonella enterica that cause typhoid.";
RL   Nat. Genet. 36:1268-1274(2004).
CC   -!- FUNCTION: Specifically methylates the cytosine at position 967 (m5C967)
CC       of 16S rRNA. {ECO:0000255|HAMAP-Rule:MF_01856}.
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         Evidence={ECO:0000255|HAMAP-Rule:MF_01856};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01856}.
CC   -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC       superfamily. RsmB/NOP family. {ECO:0000255|HAMAP-Rule:MF_01856}.
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DR   EMBL; CP000026; AAV79091.1; -; Genomic_DNA.
DR   RefSeq; WP_000744613.1; NC_006511.1.
DR   AlphaFoldDB; Q5PIT6; -.
DR   SMR; Q5PIT6; -.
DR   EnsemblBacteria; AAV79091; AAV79091; SPA3275.
DR   KEGG; spt:SPA3275; -.
DR   HOGENOM; CLU_005316_0_4_6; -.
DR   OMA; RVNRQHH; -.
DR   Proteomes; UP000008185; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0003723; F:RNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0016434; F:rRNA (cytosine) methyltransferase activity; IEA:UniProtKB-UniRule.
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   HAMAP; MF_01856; 16SrRNA_methyltr_B; 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; IPR023541; rRNA_ssu_MeTfrase_B_ent.
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; RNA-binding; rRNA processing;
KW   S-adenosyl-L-methionine; Transferase.
FT   CHAIN           1..429
FT                   /note="Ribosomal RNA small subunit methyltransferase B"
FT                   /id="PRO_0000366171"
FT   REGION          397..419
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        375
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01856"
FT   BINDING         254..260
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01856"
FT   BINDING         277
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01856"
FT   BINDING         303
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01856"
FT   BINDING         322
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01856"
SQ   SEQUENCE   429 AA;  48144 MW;  6258116BD4E0F49B CRC64;
     MKKQNNLRSL AAQAVEQVVE QGQSLSNVLP PLQQKVADKD KALLQELCFG VLRTLSQLEW
     LINKLMSRPM TGKQRTVHYL IMVGFYQLLY TRVPPHAALA ETVEGAVSIK RPQLKGLING
     VLRQFQRQQE TLLNEFATSD ARFLHPGWLV KRLQNAYPTQ WQRIIEANNQ RPPMWLRVNR
     THHTRDGWLG LLEDAGMKGY PHPDYPDAVR LETPAPVHAL PGFAEGWVTV QDASAQGCAV
     FLAPQNGEHI LDLCAAPGGK TTHILEVAPE ADVLAVDIDE QRLSRVYDNL KRLGMKATVK
     QGDGRYPAQW CGEQQFDRIL LDAPCSATGV IRRHPDIKWL RRDRDIAELA QLQAEILDTV
     WPRLKPGGTL VYATCSVLPE ENRDQIKTFL QRTPDAALSE TGTPDQPGQQ NLPGGEEGDG
     FFYAKLIKK
 
 
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