ID   RSMH_RHOE4              Reviewed;         332 AA.
AC   C1A0Y3;
DT   03-NOV-2009, integrated into UniProtKB/Swiss-Prot.
DT   26-MAY-2009, 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=RER_35600;
OS   Rhodococcus erythropolis (strain PR4 / NBRC 100887).
OC   Bacteria; Actinobacteria; Corynebacteriales; Nocardiaceae; Rhodococcus;
OC   Rhodococcus erythropolis group.
OX   NCBI_TaxID=234621;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PR4 / NBRC 100887;
RA   Takarada H., Sekine M., Hosoyama A., Yamada R., Fujisawa T., Omata S.,
RA   Shimizu A., Tsukatani N., Tanikawa S., Fujita N., Harayama S.;
RT   "Comparison of the complete genome sequences of Rhodococcus erythropolis
RT   PR4 and Rhodococcus opacus B4.";
RL   Submitted (MAR-2005) 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; AP008957; BAH34268.1; -; Genomic_DNA.
DR   AlphaFoldDB; C1A0Y3; -.
DR   SMR; C1A0Y3; -.
DR   STRING; 234621.RER_35600; -.
DR   PRIDE; C1A0Y3; -.
DR   EnsemblBacteria; BAH34268; BAH34268; RER_35600.
DR   KEGG; rer:RER_35600; -.
DR   eggNOG; COG0275; Bacteria.
DR   HOGENOM; CLU_038422_0_0_11; -.
DR   OMA; NPAKRTF; -.
DR   Proteomes; UP000002204; 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; rRNA processing; S-adenosyl-L-methionine;
KW   Transferase.
FT   CHAIN           1..332
FT                   /note="Ribosomal RNA small subunit methyltransferase H"
FT                   /id="PRO_0000387076"
FT   REGION          302..332
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        302..325
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         48..50
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT   BINDING         67
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT   BINDING         94
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT   BINDING         118
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT   BINDING         125
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
SQ   SEQUENCE   332 AA;  36023 MW;  5BD2830427BBE551 CRC64;
     MNEPSDADGF AHVPVLLHRA DDLLGPAITA VGDGGEGAYM IDATLGLGGH SEFFLGKYPG
     LHLIGLDRDT NALRIASERL APFADRTTFV HTTYDGIEDA LEQAGLPSTE SVHAILFDLG
     VSSMQLDEAD RGFAYSIDAP LDMRMDQTVG LTAAEVLNTY SHGDLARILS TYGEERFAGK
     IASEILRQRE REPFTTSAAL VELLYRTIPA ATRRTGGHPA KRTFQALRIE VNAELDSLRA
     AVPAGLDALA VGGRVVFMSY QSLEDRVVKA ELVPRSKSTS PEGLPVELPG MGPEFRILTR
     GAERASEQEI EENPRSAPVR LRAAERISRR RA