ID F2G1S1_ALTMD Unreviewed; 439 AA.
AC F2G1S1;
DT 31-MAY-2011, integrated into UniProtKB/TrEMBL.
DT 31-MAY-2011, sequence version 1.
DT 24-JAN-2024, entry version 77.
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=MADE_1000095 {ECO:0000313|EMBL:AEA96168.1};
OS Alteromonas mediterranea (strain DSM 17117 / CIP 110805 / LMG 28347 / Deep
OS ecotype).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Alteromonadales;
OC Alteromonadaceae; Alteromonas/Salinimonas group; Alteromonas.
OX NCBI_TaxID=1774373 {ECO:0000313|EMBL:AEA96168.1, ECO:0000313|Proteomes:UP000001870};
RN [1] {ECO:0000313|EMBL:AEA96168.1, ECO:0000313|Proteomes:UP000001870}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 17117 / CIP 110805 / LMG 28347 / Deep ecotype
RC {ECO:0000313|Proteomes:UP000001870};
RX PubMed=18670397; DOI=10.1038/ismej.2008.74;
RA Ivars-Martinez E., Martin-Cuadrado A.B., D'Auria G., Mira A., Ferriera S.,
RA Johnson J., Friedman R., Rodriguez-Valera F.;
RT "Comparative genomics of two ecotypes of the marine planktonic copiotroph
RT Alteromonas macleodii suggests alternative lifestyles associated with
RT different kinds of particulate organic matter.";
RL ISME J. 2:1194-1212(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|ARBA:ARBA00007494,
CC ECO:0000256|PROSITE-ProRule:PRU01023}.
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DR EMBL; CP001103; AEA96168.1; -; Genomic_DNA.
DR RefSeq; WP_012516542.1; NC_011138.3.
DR AlphaFoldDB; F2G1S1; -.
DR KEGG; amc:MADE_1000095; -.
DR PATRIC; fig|314275.5.peg.21; -.
DR HOGENOM; CLU_005316_0_4_6; -.
DR OMA; RVNRQHH; -.
DR Proteomes; UP000001870; 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; 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 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; PS01153; NOL1_NOP2_SUN; 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 168..437
FT /note="SAM-dependent MTase RsmB/NOP-type"
FT /evidence="ECO:0000259|PROSITE:PS51686"
FT REGION 402..425
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 380
FT /note="Nucleophile"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
FT BINDING 258..264
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
FT BINDING 282
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
FT BINDING 308
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
FT BINDING 327
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
SQ SEQUENCE 439 AA; 49286 MW; 5502BE0ECEDA479A CRC64;
MKPLPLPKQK NLRADCAWVI YQILEQGKSS RECLERVQRR HNARDNAWLQ EMSLGVMRRL
PLLQHWLRAL LDRPLKGNKK VIEHLILLGL YQLNFSRVSN HAAVGETVAA ASYLNAAGLK
GLVNAVLRNF QRENLADKPV DDAIINSGLP KWLYKAIEQA YGAEADNVRA ETNAMAPIWL
RVNRQQVSFS AFTEALDKAE VKYTLSESHR NAIVLSQRED ITGLPGFEKG HFAVQDGAAQ
LAAHYLQPQA NERILDCCAA PGGKTGHIVE CAPDTEYVLA LDADATRLKR VEENMTRLQH
KVDIRQGDAA NPESWWDGKP FDRILLDAPC SATGVIRRHP DIRWLRKAND IDNLAQLQRR
ILDTLWGLLK PGGTLLYATC SILPKENMAQ IQQFLADTPD ASLSPILKTE TPDKPGRQIT
PGEQQMDGFY YARLVKSQD
//