ID A0A1M5QTB6_9CLOT Unreviewed; 446 AA.
AC A0A1M5QTB6;
DT 15-MAR-2017, integrated into UniProtKB/TrEMBL.
DT 15-MAR-2017, sequence version 1.
DT 24-JAN-2024, entry version 26.
DE RecName: Full=16S rRNA (cytosine(967)-C(5))-methyltransferase {ECO:0000256|ARBA:ARBA00012140};
DE EC=2.1.1.176 {ECO:0000256|ARBA:ARBA00012140};
DE AltName: Full=16S rRNA m5C967 methyltransferase {ECO:0000256|ARBA:ARBA00030399};
DE AltName: Full=rRNA (cytosine-C(5)-)-methyltransferase RsmB {ECO:0000256|ARBA:ARBA00031088};
GN ORFNames=SAMN02745207_00286 {ECO:0000313|EMBL:SHH17374.1};
OS Clostridium grantii DSM 8605.
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Clostridiaceae;
OC Clostridium.
OX NCBI_TaxID=1121316 {ECO:0000313|EMBL:SHH17374.1, ECO:0000313|Proteomes:UP000184447};
RN [1] {ECO:0000313|EMBL:SHH17374.1, ECO:0000313|Proteomes:UP000184447}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 8605 {ECO:0000313|EMBL:SHH17374.1,
RC ECO:0000313|Proteomes:UP000184447};
RA Jaros S., Januszkiewicz K., Wedrychowicz H.;
RL Submitted (NOV-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Specifically methylates the cytosine at position 967 (m5C967)
CC of 16S rRNA. {ECO:0000256|ARBA:ARBA00002724}.
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:0000256|ARBA:ARBA00000588};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496}.
CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC superfamily. RsmB/NOP family. {ECO:0000256|PROSITE-ProRule:PRU01023}.
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DR EMBL; FQXM01000002; SHH17374.1; -; Genomic_DNA.
DR RefSeq; WP_073336224.1; NZ_FQXM01000002.1.
DR AlphaFoldDB; A0A1M5QTB6; -.
DR STRING; 1121316.SAMN02745207_00286; -.
DR OrthoDB; 9810297at2; -.
DR Proteomes; UP000184447; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0003723; F:RNA binding; IEA:UniProtKB-UniRule.
DR GO; GO:0008649; F:rRNA methyltransferase activity; IEA:InterPro.
DR GO; GO:0006355; P:regulation of DNA-templated transcription; IEA:InterPro.
DR CDD; cd02440; AdoMet_MTases; 1.
DR Gene3D; 1.10.940.10; NusB-like; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 1.
DR InterPro; IPR031341; Methyltr_RsmF_N.
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 NCBIfam; TIGR00563; rsmB; 1.
DR PANTHER; PTHR22807; NOP2 YEAST -RELATED NOL1/NOP2/FMU SUN DOMAIN-CONTAINING; 1.
DR PANTHER; PTHR22807:SF53; RIBOSOMAL RNA SMALL SUBUNIT METHYLTRANSFERASE B-RELATED; 1.
DR Pfam; PF01189; Methyltr_RsmB-F; 1.
DR Pfam; PF17125; Methyltr_RsmF_N; 1.
DR Pfam; PF01029; NusB; 1.
DR PRINTS; PR02008; RCMTFAMILY.
DR SUPFAM; SSF48013; NusB-like; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
DR PROSITE; PS51686; SAM_MT_RSMB_NOP; 1.
PE 3: Inferred from homology;
KW Methyltransferase {ECO:0000256|ARBA:ARBA00022603, ECO:0000256|PROSITE-
KW ProRule:PRU01023}; Reference proteome {ECO:0000313|Proteomes:UP000184447};
KW RNA-binding {ECO:0000256|ARBA:ARBA00022884, ECO:0000256|PROSITE-
KW ProRule:PRU01023};
KW S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691,
KW ECO:0000256|PROSITE-ProRule:PRU01023};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|PROSITE-
KW ProRule:PRU01023}.
FT DOMAIN 173..446
FT /note="SAM-dependent MTase RsmB/NOP-type"
FT /evidence="ECO:0000259|PROSITE:PS51686"
FT ACT_SITE 385
FT /note="Nucleophile"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
FT BINDING 263..269
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
FT BINDING 287
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
FT BINDING 314
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
FT BINDING 332
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
SQ SEQUENCE 446 AA; 51181 MW; 55300CD84E24C0AD CRC64;
MKSTRELAVE TLTNIFVDGL YSNIYLSKVL NESEINEKDR GLFTEIIYGT LRYKYTIDKI
LDSFLKDGTK KMSKNDPLLL NVLRISIYQI KYLDKIPPFA AVNEAVEITK KRCGMPKSKL
VNGVLRNYLR NKEKPDEKLK KSYTETLSFE HSFENWMVKL LLAQYSKEDV ESILNGLNQR
PEITVRVNSL KADYDTVVES LSKLEYSIKE GEVSPEAIYI RKGSNVEKNP LFNEGLITIQ
DESAMLVAEV MELKDNLKVL DLCSAPGGKT THIAELMNNT GNIIACDIYD HKLKLVKDNI
ERLGIENVEL MNFDATVYNE KFVNYADRVL IDVPCSGLGI IRKKPEIKWN KNKNELDALI
KIQKDILVKA ADYVKSGGYL IYSTCTLNKN ENIKNISWFL EKDDRFEIEK IFLGNLSNLR
YDNLGTLTIL PNENMDGFYI ARLKRK
//