ID A0A192D4T2_9SPHN Unreviewed; 315 AA.
AC A0A192D4T2;
DT 05-OCT-2016, integrated into UniProtKB/TrEMBL.
DT 05-OCT-2016, sequence version 1.
DT 24-JAN-2024, entry version 31.
DE RecName: Full=Ribosomal RNA small subunit methyltransferase H {ECO:0000256|HAMAP-Rule:MF_01007};
DE EC=2.1.1.199 {ECO:0000256|HAMAP-Rule:MF_01007};
DE AltName: Full=16S rRNA m(4)C1402 methyltransferase {ECO:0000256|HAMAP-Rule:MF_01007};
DE AltName: Full=rRNA (cytosine-N(4)-)-methyltransferase RsmH {ECO:0000256|HAMAP-Rule:MF_01007};
GN Name=rsmH {ECO:0000256|HAMAP-Rule:MF_01007};
GN ORFNames=A9D12_08865 {ECO:0000313|EMBL:ANK13041.1};
OS Erythrobacter neustonensis.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Sphingomonadales;
OC Erythrobacteraceae; Erythrobacter/Porphyrobacter group; Erythrobacter.
OX NCBI_TaxID=1112 {ECO:0000313|EMBL:ANK13041.1, ECO:0000313|Proteomes:UP000078263};
RN [1] {ECO:0000313|EMBL:ANK13041.1, ECO:0000313|Proteomes:UP000078263}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 9434 {ECO:0000313|EMBL:ANK13041.1,
RC ECO:0000313|Proteomes:UP000078263};
RA Shi X.-L., Wu Y.-H., Cheng H., Xu L., Zhang X.-Q., Wang C.-S., Xu X.-W.;
RT "Compelete Genome Sequence of Bacteriochlorophyll-Synthesizing Bacterium
RT Porphyrobacter neustonensis DSM 9434.";
RL Submitted (MAY-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Specifically methylates the N4 position of cytidine in
CC position 1402 (C1402) of 16S rRNA. {ECO:0000256|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:0000256|HAMAP-Rule:MF_01007};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01007}.
CC -!- SIMILARITY: Belongs to the methyltransferase superfamily. RsmH family.
CC {ECO:0000256|ARBA:ARBA00010396, ECO:0000256|HAMAP-Rule:MF_01007}.
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DR EMBL; CP016033; ANK13041.1; -; Genomic_DNA.
DR RefSeq; WP_068350977.1; NZ_CP016033.1.
DR AlphaFoldDB; A0A192D4T2; -.
DR STRING; 1112.A9D12_08865; -.
DR KEGG; pns:A9D12_08865; -.
DR OrthoDB; 9806637at2; -.
DR Proteomes; UP000078263; 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; Putative methyltransferase TM0872, insert domain; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 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 NCBIfam; TIGR00006; 16S rRNA (cytosine(1402)-N(4))-methyltransferase RsmH; 1.
DR PANTHER; PTHR11265:SF0; 12S RRNA N4-METHYLCYTIDINE METHYLTRANSFERASE; 1.
DR PANTHER; PTHR11265; S-ADENOSYL-METHYLTRANSFERASE MRAW; 1.
DR Pfam; PF01795; Methyltransf_5; 1.
DR PIRSF; PIRSF004486; MraW; 1.
DR SUPFAM; SSF81799; Putative methyltransferase TM0872, insert domain; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01007};
KW Methyltransferase {ECO:0000256|ARBA:ARBA00022603, ECO:0000256|HAMAP-
KW Rule:MF_01007}; Reference proteome {ECO:0000313|Proteomes:UP000078263};
KW rRNA processing {ECO:0000256|ARBA:ARBA00022552, ECO:0000256|HAMAP-
KW Rule:MF_01007};
KW S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691, ECO:0000256|HAMAP-
KW Rule:MF_01007};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_01007}.
FT REGION 291..315
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 36..38
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01007"
FT BINDING 53
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01007"
FT BINDING 80
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01007"
FT BINDING 101
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01007"
FT BINDING 108
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01007"
SQ SEQUENCE 315 AA; 33276 MW; E77280D80D5EAFC1 CRC64;
MTAQDAPHIP VLLDEVVAAI GPREGMAIVD ATFGAGGYSA ALLDAGANVH AFDRDPDAIA
AGAAMVARYD GRLALYPHRF SAMRSELAAA GIAKVDAVVM DIGVSSMQLD QGERGFAFMH
DGPLDMRMSQ AGESAADFLN TADDETIADV LYTYGEERQS RRVARAIVAA RPLTTTGELA
RVVRRALGHK PHDKKDPATR TFQAVRIHVN DELGELEAGL AAAEALLGEG GVLAVVTFHS
LEDRIVKQFF KTASGAGRAV SRHLPGEIPG PAPTFAQVSK AIRPSEAEIA RNPRARSSTL
RHAIRTGAPA RSLAA
//
