ID A0A133ZHH7_9FIRM Unreviewed; 444 AA.
AC A0A133ZHH7;
DT 08-JUN-2016, integrated into UniProtKB/TrEMBL.
DT 08-JUN-2016, sequence version 1.
DT 27-MAR-2024, entry version 32.
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=HMPREF1866_02267 {ECO:0000313|EMBL:KXB54903.1};
OS Lachnoanaerobaculum saburreum.
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Lachnospiraceae;
OC Lachnoanaerobaculum.
OX NCBI_TaxID=467210 {ECO:0000313|EMBL:KXB54903.1, ECO:0000313|Proteomes:UP000070394};
RN [1] {ECO:0000313|EMBL:KXB54903.1, ECO:0000313|Proteomes:UP000070394}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DNF00896 {ECO:0000313|EMBL:KXB54903.1,
RC ECO:0000313|Proteomes:UP000070394};
RA Oliw E.H.;
RL Submitted (JAN-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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KXB54903.1}.
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DR EMBL; LSDA01000124; KXB54903.1; -; Genomic_DNA.
DR RefSeq; WP_060931859.1; NZ_KQ959840.1.
DR AlphaFoldDB; A0A133ZHH7; -.
DR STRING; 467210.HMPREF1866_02267; -.
DR PATRIC; fig|467210.3.peg.2245; -.
DR OrthoDB; 9810297at2; -.
DR Proteomes; UP000070394; 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; 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 163..442
FT /note="SAM-dependent MTase RsmB/NOP-type"
FT /evidence="ECO:0000259|PROSITE:PS51686"
FT ACT_SITE 374
FT /note="Nucleophile"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
FT BINDING 253..259
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
FT BINDING 277
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
FT BINDING 304
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
FT BINDING 321
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
SQ SEQUENCE 444 AA; 50456 MW; 2B1AB7873C5C7E1A CRC64;
MEKTNIRALI LEALMLIDVE GEYSHKVIDM ALEKYSYLSK ADRGFFSRVV HGVVEYRLQL
DYIIKKYNNG KRVKPVIREI LRMAIYQMLY MDRVPDRAII NEAVNLVKQR RLNALTGFVN
GILRKISAEK ESISFDDIGI KYSMPEFLLD IIKENTGEYF DKTLEYFLSN RPLSVRVNTS
KSKVTDVIKE LEYGNIKVEN SKLNDSVLYI SRFDKVDEIP AIKSGKCYIT DVSSSMISKL
IIPENIKKAV DVCAAPGGKS FLLADKAESE AVIYSCDVSE NKVNLIIENV KVQGFKNINP
VVADARVFDK RFAESDLVLA DLPCSGIGII GKKPDIKYRL DPEGTELLSA LQKEILDNVS
KYVKKGGELI FSTCTLNRAE NEENVSYFLK NHSNFKPVDL TDRLTGKLLE HFDTEELKKG
YLKLIPGRDD CDGFFIAVFR RDND
//
