ID D3EPJ1_ATETH Unreviewed; 298 AA.
AC D3EPJ1;
DT 23-MAR-2010, integrated into UniProtKB/TrEMBL.
DT 23-MAR-2010, sequence version 1.
DT 27-MAR-2024, entry version 70.
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 OrderedLocusNames=UCYN_06950 {ECO:0000313|EMBL:ADB95391.1};
OS Atelocyanobacterium thalassa (isolate ALOHA).
OC Bacteria; Cyanobacteriota; Cyanophyceae; Oscillatoriophycideae;
OC Chroococcales; Aphanothecaceae; Atelocyanobacterium;
OC Candidatus Atelocyanobacterium thalassa.
OX NCBI_TaxID=1453429 {ECO:0000313|Proteomes:UP000001405};
RN [1] {ECO:0000313|EMBL:ADB95391.1, ECO:0000313|Proteomes:UP000001405}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ALOHA {ECO:0000313|Proteomes:UP000001405};
RX PubMed=20173737; DOI=10.1038/nature08786;
RA Tripp H.J., Bench S.R., Turk K.A., Foster R.A., Desany B.A., Niazi F.,
RA Affourtit J.P., Zehr J.P.;
RT "Metabolic streamlining in an open-ocean nitrogen-fixing cyanobacterium.";
RL Nature 464:90-94(2010).
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}.
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; CP001842; ADB95391.1; -; Genomic_DNA.
DR RefSeq; WP_012954078.1; NC_013771.1.
DR AlphaFoldDB; D3EPJ1; -.
DR STRING; 1453429.UCYN_06950; -.
DR KEGG; cyu:UCYN_06950; -.
DR PATRIC; fig|713887.8.peg.649; -.
DR HOGENOM; CLU_038422_3_0_3; -.
DR OrthoDB; 9806637at2; -.
DR Proteomes; UP000001405; 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:UP000001405};
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 BINDING 44..46
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01007"
FT BINDING 63
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01007"
FT BINDING 91
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01007"
FT BINDING 107
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01007"
FT BINDING 114
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01007"
SQ SEQUENCE 298 AA; 34085 MW; E25100F189EB3EDF CRC64;
MTNLTPIEGH FFSDIHIPVL SQELIEGLAI KPGGIYLDAT LGRGGHSNLI LSTFPNVQVI
GIDLDDDAIL NTKTNMSSSM KQRFQTWAGN FKDYPGKIEE FDGIIADLGV SSPQLDNPER
GFSFRHEASL DMRMNREQSL TAEEIINHWS EITLANIFYQ YGEEKRSRSI ARYLVENRPF
FTTTDLASAI SKVFPPKYRY GRIHPATRVF QALRIIVNDE LTSLEKFLQQ SPSWLKPQGN
IGIISFHSLE DRIVKHTFRD SSLLDVITKK PIIPKQEEKY NNRRSRSAKL RFAKRKNI
//
