ID   RSMH_DESDA              Reviewed;         327 AA.
AC   B8IZT3;
DT   03-NOV-2009, integrated into UniProtKB/Swiss-Prot.
DT   03-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 66.
DE   RecName: Full=Ribosomal RNA small subunit methyltransferase H {ECO:0000255|HAMAP-Rule:MF_01007};
DE            EC=2.1.1.199 {ECO:0000255|HAMAP-Rule:MF_01007};
DE   AltName: Full=16S rRNA m(4)C1402 methyltransferase {ECO:0000255|HAMAP-Rule:MF_01007};
DE   AltName: Full=rRNA (cytosine-N(4)-)-methyltransferase RsmH {ECO:0000255|HAMAP-Rule:MF_01007};
GN   Name=rsmH {ECO:0000255|HAMAP-Rule:MF_01007}; Synonyms=mraW;
GN   OrderedLocusNames=Ddes_1105;
OS   Desulfovibrio desulfuricans (strain ATCC 27774 / DSM 6949 / MB).
OC   Bacteria; Proteobacteria; Deltaproteobacteria; Desulfovibrionales;
OC   Desulfovibrionaceae; Desulfovibrio.
OX   NCBI_TaxID=525146;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 27774 / DSM 6949 / MB;
RG   US DOE Joint Genome Institute;
RA   Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Tice H., Bruce D.,
RA   Goodwin L., Pitluck S., Sims D., Lu M., Kiss H., Meineke L., Brettin T.,
RA   Detter J.C., Han C., Larimer F., Land M., Hauser L., Kyrpides N.,
RA   Ovchinnikova G., Hazen T.C.;
RT   "Complete sequence of Desulfovibrio desulfuricans subsp. desulfuricans str.
RT   ATCC 27774.";
RL   Submitted (JAN-2009) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Specifically methylates the N4 position of cytidine in
CC       position 1402 (C1402) of 16S rRNA. {ECO:0000255|HAMAP-Rule:MF_01007}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=cytidine(1402) in 16S rRNA + S-adenosyl-L-methionine = H(+) +
CC         N(4)-methylcytidine(1402) in 16S rRNA + S-adenosyl-L-homocysteine;
CC         Xref=Rhea:RHEA:42928, Rhea:RHEA-COMP:10286, Rhea:RHEA-COMP:10287,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC         ChEBI:CHEBI:74506, ChEBI:CHEBI:82748; EC=2.1.1.199;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01007};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01007}.
CC   -!- SIMILARITY: Belongs to the methyltransferase superfamily. RsmH family.
CC       {ECO:0000255|HAMAP-Rule:MF_01007}.
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DR   EMBL; CP001358; ACL49010.1; -; Genomic_DNA.
DR   RefSeq; WP_012624735.1; NC_011883.1.
DR   AlphaFoldDB; B8IZT3; -.
DR   SMR; B8IZT3; -.
DR   STRING; 525146.Ddes_1105; -.
DR   PRIDE; B8IZT3; -.
DR   EnsemblBacteria; ACL49010; ACL49010; Ddes_1105.
DR   KEGG; dds:Ddes_1105; -.
DR   eggNOG; COG0275; Bacteria.
DR   HOGENOM; CLU_038422_3_0_7; -.
DR   OMA; NPAKRTF; -.
DR   OrthoDB; 1272633at2; -.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0071424; F:rRNA (cytosine-N4-)-methyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0070475; P:rRNA base methylation; IEA:UniProtKB-UniRule.
DR   Gene3D; 1.10.150.170; -; 1.
DR   Gene3D; 3.40.50.150; -; 1.
DR   HAMAP; MF_01007; 16SrRNA_methyltr_H; 1.
DR   InterPro; IPR002903; RsmH.
DR   InterPro; IPR023397; SAM-dep_MeTrfase_MraW_recog.
DR   InterPro; IPR029063; SAM-dependent_MTases_sf.
DR   PANTHER; PTHR11265; PTHR11265; 1.
DR   Pfam; PF01795; Methyltransf_5; 1.
DR   PIRSF; PIRSF004486; MraW; 1.
DR   SUPFAM; SSF53335; SSF53335; 1.
DR   SUPFAM; SSF81799; SSF81799; 1.
DR   TIGRFAMs; TIGR00006; TIGR00006; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Methyltransferase; rRNA processing; S-adenosyl-L-methionine;
KW   Transferase.
FT   CHAIN           1..327
FT                   /note="Ribosomal RNA small subunit methyltransferase H"
FT                   /id="PRO_0000386851"
FT   BINDING         42..44
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT   BINDING         61
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT   BINDING         95
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT   BINDING         109
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT   BINDING         116
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
SQ   SEQUENCE   327 AA;  35967 MW;  8BC95B16FA823AFC CRC64;
     MIQTMSDTTE PTRHVSVLPV ETLAALDPRA GGRYLDGTLG MGGHASAILS SAPGIELCGL
     DRDEEALALA GQRLSSFGGR AHLFHCRYSD FAEALNELGW DKVDGALLDI GVSSLQLDEA
     ERGFSFYGDG PLDMRMDQNS AQPSAWHWVN RESFDKLKDC IATLGEEPQA GRIARAIVDA
     RQKNTIDTTG QLAALVERAY PAAWRAKARR HPATRTFQAL RMAVNDELGE LRRFLDQILT
     WLPIGGRLAV ITFHSLEDRM VKQAMRHWVE GCRCPRHIPR CICGHQPEVR ILHKKPVQAG
     PEELAANSRA GSAKLRAVEK IAEDSGS