RSMH_PHYMT
ID RSMH_PHYMT Reviewed; 300 AA.
AC B3R0Q2;
DT 03-NOV-2009, integrated into UniProtKB/Swiss-Prot.
DT 02-SEP-2008, sequence version 1.
DT 03-AUG-2022, entry version 70.
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=ATP_00449;
OS Phytoplasma mali (strain AT).
OC Bacteria; Tenericutes; Mollicutes; Acholeplasmatales; Acholeplasmataceae;
OC Candidatus Phytoplasma; 16SrX (Apple proliferation group).
OX NCBI_TaxID=482235;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=AT;
RX PubMed=18582369; DOI=10.1186/1471-2164-9-306;
RA Kube M., Schneider B., Kuhl H., Dandekar T., Heitmann K., Migdoll A.M.,
RA Reinhardt R., Seemueller E.;
RT "The linear chromosome of the plant-pathogenic mycoplasma 'Candidatus
RT Phytoplasma mali'.";
RL BMC Genomics 9:306-306(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; CU469464; CAP18636.1; -; Genomic_DNA.
DR AlphaFoldDB; B3R0Q2; -.
DR SMR; B3R0Q2; -.
DR STRING; 37692.ATP_00449; -.
DR EnsemblBacteria; CAP18636; CAP18636; ATP_00449.
DR KEGG; pml:ATP_00449; -.
DR eggNOG; COG0275; Bacteria.
DR HOGENOM; CLU_038422_2_0_14; -.
DR OMA; NPAKRTF; -.
DR Proteomes; UP000002020; 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..300
FT /note="Ribosomal RNA small subunit methyltransferase H"
FT /id="PRO_0000387032"
FT BINDING 33..35
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT BINDING 52
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT BINDING 99
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT BINDING 106
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
SQ SEQUENCE 300 AA; 34645 MW; C3416AA8E181B722 CRC64;
MKLNHIPVLP KEVLKYLNVK SSGIYVDATL GGGGHSELIL EKLKKGFLYA FDQDIFAIKQ
SKKLFANNHK IELIHSNFFF LKQELNKRGV FFVDGIIFDL GLSSFQIDDK ERGFSYLSNE
FLDMRMDREQ KLTAHYIINN YSFEKLRNIF FNFGQEKNSS LIAAEIIKKR PLNTTFELVE
IADKFNYNRK GHSSKKIFQA LRIEVNKELE LLQKTLHQCL SLLKEGSSIV VISFHSLEDR
LVKNFFRANS IINLPTKLPI VSNFKTVLKI ITKKVVKPSL EEIAFNHRSR SAKLRAAVKN
