ID A4A936_9GAMM Unreviewed; 434 AA.
AC A4A936;
DT 03-APR-2007, integrated into UniProtKB/TrEMBL.
DT 03-APR-2007, sequence version 1.
DT 24-JAN-2024, entry version 87.
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=KT71_04695 {ECO:0000313|EMBL:EAQ97578.1};
OS Congregibacter litoralis KT71.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Cellvibrionales; Halieaceae;
OC Congregibacter.
OX NCBI_TaxID=314285 {ECO:0000313|EMBL:EAQ97578.1, ECO:0000313|Proteomes:UP000019205};
RN [1] {ECO:0000313|EMBL:EAQ97578.1, ECO:0000313|Proteomes:UP000019205}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KT71 {ECO:0000313|EMBL:EAQ97578.1,
RC ECO:0000313|Proteomes:UP000019205};
RX PubMed=17299055; DOI=10.1073/pnas.0608046104;
RA Fuchs B.M., Spring S., Teeling H., Quast C., Wulf J., Schattenhofer M.,
RA Yan S., Ferriera S., Johnson J., Glockner F.O., Amann R.;
RT "Characterization of a marine gammaproteobacterium capable of aerobic
RT anoxygenic photosynthesis.";
RL Proc. Natl. Acad. Sci. U.S.A. 104:2891-2896(2007).
RN [2] {ECO:0000313|EMBL:EAQ97578.1, ECO:0000313|Proteomes:UP000019205}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KT71 {ECO:0000313|EMBL:EAQ97578.1,
RC ECO:0000313|Proteomes:UP000019205};
RX PubMed=19287491; DOI=10.1371/journal.pone.0004866;
RA Spring S., Lunsdorf H., Fuchs B.M., Tindall B.J.;
RT "The photosynthetic apparatus and its regulation in the aerobic
RT gammaproteobacterium Congregibacter litoralis gen. nov., sp. nov.";
RL PLoS ONE 4:E4866-E4866(2009).
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}.
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:EAQ97578.1}.
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DR EMBL; AAOA02000002; EAQ97578.1; -; Genomic_DNA.
DR RefSeq; WP_008293354.1; NZ_CM002299.1.
DR AlphaFoldDB; A4A936; -.
DR STRING; 314285.KT71_04695; -.
DR eggNOG; COG0144; Bacteria.
DR HOGENOM; CLU_005316_0_4_6; -.
DR OrthoDB; 9810297at2; -.
DR Proteomes; UP000019205; 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}; Reference proteome {ECO:0000313|Proteomes:UP000019205};
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 162..433
FT /note="SAM-dependent MTase RsmB/NOP-type"
FT /evidence="ECO:0000259|PROSITE:PS51686"
FT ACT_SITE 375
FT /note="Nucleophile"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
FT BINDING 252..258
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
FT BINDING 276
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
FT BINDING 302
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
FT BINDING 322
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01023"
SQ SEQUENCE 434 AA; 46977 MW; FF913C9278B51E1B CRC64;
MKPGAAVRAC AARIIAAVVG GESLDRSFNA QIEKLPERDR ALCREISYGT LRQFHRLDAL
LAQLLQKPLR AKDRDVHALA LAGLYQLTEM RVPAHAAVSA TVDAASVLKK RQLTGLLNAV
LRRFQRDEAT LTEKLTAAQN AAHPDWLWAA LGEHWPDYRE EIAAANNSHP PMTLRVNLSR
GGRDEYREML DQAGIASQAG QLSPAALTLD QAVDVTSLPG FEAGLCSVQD EAAQMAAQLL
APRAGERILD ACAAPGGKTG HLLELQRSGM QLTAMDISEE RLHRVRENLD RLGLEASLLV
GDGARPSAEL KAQAPFDAML LDVPCSASGV IRRHPDVKIL RRPEDTAGFA RQQNAILDGL
WPLLAPGGRL LYVSCSIMPG ENSEVVAAFV SRHADAREEP LAMAASQPCA HGRQLLPRPN
GSDGLYFAML YKSD
//