ID   RSMH_ACIF2              Reviewed;         321 AA.
AC   B7J3W0;
DT   03-NOV-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-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=AFE_0214;
OS   Acidithiobacillus ferrooxidans (strain ATCC 23270 / DSM 14882 / CIP 104768
OS   / NCIMB 8455) (Ferrobacillus ferrooxidans (strain ATCC 23270)).
OC   Bacteria; Proteobacteria; Acidithiobacillia; Acidithiobacillales;
OC   Acidithiobacillaceae; Acidithiobacillus.
OX   NCBI_TaxID=243159;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 23270 / DSM 14882 / CIP 104768 / NCIMB 8455;
RX   PubMed=19077236; DOI=10.1186/1471-2164-9-597;
RA   Valdes J., Pedroso I., Quatrini R., Dodson R.J., Tettelin H., Blake R. II,
RA   Eisen J.A., Holmes D.S.;
RT   "Acidithiobacillus ferrooxidans metabolism: from genome sequence to
RT   industrial applications.";
RL   BMC Genomics 9:597-597(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}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; CP001219; ACK77961.1; -; Genomic_DNA.
DR   RefSeq; WP_009562424.1; NC_011761.1.
DR   AlphaFoldDB; B7J3W0; -.
DR   SMR; B7J3W0; -.
DR   STRING; 243159.AFE_0214; -.
DR   PaxDb; B7J3W0; -.
DR   EnsemblBacteria; ACK77961; ACK77961; AFE_0214.
DR   GeneID; 66431274; -.
DR   KEGG; afr:AFE_0214; -.
DR   eggNOG; COG0275; Bacteria.
DR   HOGENOM; CLU_038422_2_0_6; -.
DR   OMA; NPAKRTF; -.
DR   OrthoDB; 1272633at2; -.
DR   Proteomes; UP000001362; 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..321
FT                   /note="Ribosomal RNA small subunit methyltransferase H"
FT                   /id="PRO_0000386681"
FT   REGION          286..321
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        293..321
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         43..45
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT   BINDING         63
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT   BINDING         89
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT   BINDING         110
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT   BINDING         117
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
SQ   SEQUENCE   321 AA;  35344 MW;  95220AAAD56F6ED1 CRC64;
     MRSANEPDAT HVAVLLAETI VALRPALHTG AAVRCVDATG GRGGHSAALL AELGAADTLL
     ILDRDPSAIA ALRARFAQDS RVYIRQARFS QLAEVLAALE WERVDAILAD LGVSSPQLDE
     AARGFSFLRD GPLDMRMDPG ADRSAAEWLA TATEADMTRV LREYGEERFA RPIARAILRA
     REQAPITRTL QLAELIAQVL PRHETGQHPA TRSFQGIRIF INRELEELEA FLPQAMNALR
     AGGRLAVISF HSLEDRLVKR FFRADDYRIS ADVPLRASEL PPLPWHPAGK ALRAGPRETR
     DNPRSRSAVL RVAERSERHA A