ID   RSMH_KOCRD              Reviewed;         327 AA.
AC   B2GJQ6;
DT   03-NOV-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-JUN-2008, sequence version 1.
DT   03-AUG-2022, entry version 82.
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=KRH_14900;
OS   Kocuria rhizophila (strain ATCC 9341 / DSM 348 / NBRC 103217 / DC2201).
OC   Bacteria; Actinobacteria; Micrococcales; Micrococcaceae; Kocuria.
OX   NCBI_TaxID=378753;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 9341 / DSM 348 / NBRC 103217 / DC2201;
RX   PubMed=18408034; DOI=10.1128/jb.01853-07;
RA   Takarada H., Sekine M., Kosugi H., Matsuo Y., Fujisawa T., Omata S.,
RA   Kishi E., Shimizu A., Tsukatani N., Tanikawa S., Fujita N., Harayama S.;
RT   "Complete genome sequence of the soil actinomycete Kocuria rhizophila.";
RL   J. Bacteriol. 190:4139-4146(2008).
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; AP009152; BAG29837.1; -; Genomic_DNA.
DR   RefSeq; WP_012398558.1; NC_010617.1.
DR   AlphaFoldDB; B2GJQ6; -.
DR   SMR; B2GJQ6; -.
DR   STRING; 378753.KRH_14900; -.
DR   EnsemblBacteria; BAG29837; BAG29837; KRH_14900.
DR   KEGG; krh:KRH_14900; -.
DR   eggNOG; COG0275; Bacteria.
DR   HOGENOM; CLU_038422_0_0_11; -.
DR   OMA; NPAKRTF; -.
DR   OrthoDB; 1272633at2; -.
DR   Proteomes; UP000008838; 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..327
FT                   /note="Ribosomal RNA small subunit methyltransferase H"
FT                   /id="PRO_0000386937"
FT   REGION          292..327
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        292..317
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         41..43
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT   BINDING         60
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT   BINDING         87
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   327 AA;  36125 MW;  0B1C2D203A5A3277 CRC64;
     MEEAPAEQRH VPVLLDRCLD LLAPALDTEA PVVLDATLGM GGHTHAMLER FPHLRVVGID
     RDPQALELAG RRLQRFGSRF ASIHTTYDHI ADAAAAAGVE RVDGVLFDLG VSSLQLDERE
     RGFAYSFDAP LDMRMDSRAE LSAYTVVNEY SEARLRDIIF RWGEDRFAPR IARAIVAARA
     DAPLRTTAQL VDAVRSAVPA AAQHKKGHPA KQTFQALRIE VNEELDVLER AIPAAVETVR
     VGGRVIAMSY HSLEDRIVKQ EFARGARSTA PRGFPVELPE HQPVLKVLTR GAERADEQET
     LENPRAASAR LRAVERLRET TTPGSAR