ID   RSMH_ALIFM              Reviewed;         316 AA.
AC   B5FB43;
DT   03-NOV-2009, integrated into UniProtKB/Swiss-Prot.
DT   14-OCT-2008, sequence version 1.
DT   03-AUG-2022, entry version 72.
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=VFMJ11_2321;
OS   Aliivibrio fischeri (strain MJ11) (Vibrio fischeri).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC   Aliivibrio.
OX   NCBI_TaxID=388396;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MJ11;
RA   Mandel M.J., Stabb E.V., Ruby E.G., Ferriera S., Johnson J., Kravitz S.,
RA   Beeson K., Sutton G., Rogers Y.-H., Friedman R., Frazier M., Venter J.C.;
RT   "Complete sequence of Vibrio fischeri strain MJ11.";
RL   Submitted (AUG-2008) 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; CP001139; ACH65498.1; -; Genomic_DNA.
DR   RefSeq; WP_012533096.1; NC_011184.1.
DR   AlphaFoldDB; B5FB43; -.
DR   SMR; B5FB43; -.
DR   EnsemblBacteria; ACH65498; ACH65498; VFMJ11_2321.
DR   KEGG; vfm:VFMJ11_2321; -.
DR   HOGENOM; CLU_038422_2_0_6; -.
DR   OMA; NPAKRTF; -.
DR   Proteomes; UP000001857; Chromosome I.
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..316
FT                   /note="Ribosomal RNA small subunit methyltransferase H"
FT                   /id="PRO_0000387209"
FT   BINDING         35..37
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT   BINDING         55
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT   BINDING         79
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT   BINDING         101
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"
SQ   SEQUENCE   316 AA;  35258 MW;  2B36054B84AA3BE3 CRC64;
     MSEQFQHVSV LLHESIDGLA IKPDGIYIDG TFGRGGHSRQ ILSQLGENGR LYSIDRDPQA
     IAEAKTITDP KFTIIHGPFS GLKQYVEELE LVGKIDGVLL DLGVSSPQLD DAERGFSFMK
     DGPLDMRMDP TSGIPVSQWL QEADVEDITW VIREFGEDKH AWRIAKGIVA YRENEENEPL
     TRTSQLAKLI SEVAPKSFKE KKHPATRAFQ AFRIYINSEL DEIDTALKGA LDVLAPEGRL
     SVISFHSLED RMVKHFIRKE SKGPQVPHGL PLTEEQIKAL GSAKMKPVGK AIKPTKNEVD
     VNVRSRSSVL RIAERL