ID A4XL79_CALS8 Unreviewed; 433 AA.
AC A4XL79;
DT 29-MAY-2007, integrated into UniProtKB/TrEMBL.
DT 29-MAY-2007, sequence version 1.
DT 27-MAR-2024, entry version 99.
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 OrderedLocusNames=Csac_2079 {ECO:0000313|EMBL:ABP67664.1};
OS Caldicellulosiruptor saccharolyticus (strain ATCC 43494 / DSM 8903 / Tp8T
OS 6331).
OC Bacteria; Bacillota; Clostridia; Caldicellulosiruptorales;
OC Caldicellulosiruptoraceae; Caldicellulosiruptor.
OX NCBI_TaxID=351627 {ECO:0000313|EMBL:ABP67664.1, ECO:0000313|Proteomes:UP000000256};
RN [1] {ECO:0000313|Proteomes:UP000000256}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 43494 / DSM 8903 / Tp8T 6331
RC {ECO:0000313|Proteomes:UP000000256};
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA Kiss H., Brettin T., Bruce D., Han C., Schmutz J., Larimer F., Land M.,
RA Hauser L., Kyrpides N., Lykidis A., van de Werken H.J.G., Verhaart M.R.A.,
RA VanFossen A.L., Lewis D.L., Nichols J.D., Goorissen H.P., van Niel E.W.J.,
RA Stams F.J.M., Willquist K.U., Ward D.E., van der Oost J., Kelly R.M.,
RA Kengen S.M.W., Richardson P.;
RT "Genome sequence of the thermophilic hydrogen-producing bacterium
RT Caldicellulosiruptor saccharolyticus DSM 8903.";
RL Submitted (APR-2007) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:ABP67664.1, ECO:0000313|Proteomes:UP000000256}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 43494 / DSM 8903 / Tp8T 6331
RC {ECO:0000313|Proteomes:UP000000256};
RX PubMed=18776029; DOI=10.1128/AEM.00968-08;
RA van de Werken H.J., Verhaart M.R., VanFossen A.L., Willquist K.,
RA Lewis D.L., Nichols J.D., Goorissen H.P., Mongodin E.F., Nelson K.E.,
RA van Niel E.W., Stams A.J., Ward D.E., de Vos W.M., van der Oost J.,
RA Kelly R.M., Kengen S.W.;
RT "Hydrogenomics of the extremely thermophilic bacterium Caldicellulosiruptor
RT saccharolyticus.";
RL Appl. Environ. Microbiol. 74:6720-6729(2008).
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; CP000679; ABP67664.1; -; Genomic_DNA.
DR AlphaFoldDB; A4XL79; -.
DR STRING; 351627.Csac_2079; -.
DR KEGG; csc:Csac_2079; -.
DR eggNOG; COG0144; Bacteria.
DR eggNOG; COG0781; Bacteria.
DR HOGENOM; CLU_005316_0_1_9; -.
DR Proteomes; UP000000256; Chromosome.
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; IPR049560; MeTrfase_RsmB-F_NOP2_cat.
DR InterPro; IPR001678; MeTrfase_RsmB-F_NOP2_dom.
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:SF61; NOL1_NOP2_SUN FAMILY PROTEIN _ ANTITERMINATION NUSB DOMAIN-CONTAINING PROTEIN; 1.
DR PANTHER; PTHR22807; NOP2 YEAST -RELATED NOL1/NOP2/FMU SUN DOMAIN-CONTAINING; 1.
DR Pfam; PF01189; Methyltr_RsmB-F; 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};
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 172..433
FT /note="SAM-dependent MTase RsmB/NOP-type"
FT /evidence="ECO:0000259|PROSITE:PS51686"
FT ACT_SITE 383
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 285
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
FT BINDING 312
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
FT BINDING 330
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
SQ SEQUENCE 433 AA; 50287 MW; 094ECB1D28639B34 CRC64;
MKINTRRAAF LVIFEIESRK NVNADALMEK YHHKLKKTED RALFVELVHG VLRYKNILDY
YINFVAKKGV KDKKILNILR IATYELLFLD KIPDYATVNE ACELAKNVNK NQKDFVNAIL
RNIIRRKDEI EKALERVKEV NIKDFLSIKL SYPKFLIDYL EKSYGFDKTV KILEFLNTKP
LQSIKINTKK ISQAEFLKKL EACGYEYKVP ELNREIVYIV KGNIKESELY RDGYFYYQDL
ASSFIVKWNR DDFEKASSIL DLCAAPGGKT FNCAEVTRGF VVSCDVNKSK IERLRENLLR
LGFDNVVVAE NDALTLNEDF VGKFDIVIAD LPCSGFGTIR KKPDIKWNKT KEDIENLHEL
QLKMLDNAAQ YLKEGGIIFY STCTLGHREN EDTVLKFLEK HKDFSLISQN TIFPDEYKCD
GFFIAKLKKE GNV
//
