ID   RSMH_GEMAT              Reviewed;         315 AA.
AC   C1A8A2;
DT   03-NOV-2009, integrated into UniProtKB/Swiss-Prot.
DT   26-MAY-2009, sequence version 1.
DT   03-AUG-2022, entry version 64.
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=GAU_1420;
OS   Gemmatimonas aurantiaca (strain T-27 / DSM 14586 / JCM 11422 / NBRC
OS   100505).
OC   Bacteria; Gemmatimonadetes; Gemmatimonadales; Gemmatimonadaceae;
OC   Gemmatimonas.
OX   NCBI_TaxID=379066;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=T-27 / DSM 14586 / JCM 11422 / NBRC 100505;
RA   Takasaki K., Ichikawa N., Miura H., Matsushita S., Watanabe Y., Oguchi A.,
RA   Ankai A., Yashiro I., Takahashi M., Terui Y., Fukui S., Yokoyama H.,
RA   Tanikawa S., Hanada S., Kamagata Y., Fujita N.;
RT   "Complete genome sequence of Gemmatimonas aurantiaca T-27 that represents a
RT   novel phylum Gemmatimonadetes.";
RL   Submitted (MAR-2006) 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; AP009153; BAH38462.1; -; Genomic_DNA.
DR   AlphaFoldDB; C1A8A2; -.
DR   SMR; C1A8A2; -.
DR   STRING; 379066.GAU_1420; -.
DR   EnsemblBacteria; BAH38462; BAH38462; GAU_1420.
DR   KEGG; gau:GAU_1420; -.
DR   eggNOG; COG0275; Bacteria.
DR   HOGENOM; CLU_038422_3_0_0; -.
DR   OMA; ANMILEY; -.
DR   Proteomes; UP000002209; Chromosome.
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; Reference proteome; rRNA processing;
KW   S-adenosyl-L-methionine; Transferase.
FT   CHAIN           1..315
FT                   /note="Ribosomal RNA small subunit methyltransferase H"
FT                   /id="PRO_0000386906"
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         59
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT   BINDING         96
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT   BINDING         108
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT   BINDING         115
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
SQ   SEQUENCE   315 AA;  34445 MW;  825D20B234928A70 CRC64;
     MTPVRSAPSG RTGTYHVPVL LSEIETMLAN ATTVLDCTLG GGGHTAAFLE RGVRVTGVDR
     DPRALAAARE RLGEYERSGQ FRAVLANYAA LEEAGFSTDD RFDGILLDLG VSSHQFDDAS
     RGFTFREGAP LDMRMGTDAD LDAGELLNTI DEVDLSALLR AYADEPRAAR MAREIVRRRE
     RRPFATADDL VDAIRAVLGP RSGAPDFARI FQAVRIAVND ELSGLERALP ALRDRLTPGG
     VLAIISYHSG EDRLVKNAFR DWSASCVCPP RQFVCTCRGR PLGDTITRKP VSATEQEIDQ
     NTRARSARLR AWRSA