ID A0A1H3HY96_9PROT Unreviewed; 314 AA.
AC A0A1H3HY96;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 18.
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=SAMN05421755_101129 {ECO:0000313|EMBL:SDY20407.1};
OS Nitrosomonas sp. Nm33.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Nitrosomonadales;
OC Nitrosomonadaceae; Nitrosomonas.
OX NCBI_TaxID=133724 {ECO:0000313|EMBL:SDY20407.1, ECO:0000313|Proteomes:UP000199038};
RN [1] {ECO:0000313|EMBL:SDY20407.1, ECO:0000313|Proteomes:UP000199038}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Nm33 {ECO:0000313|EMBL:SDY20407.1,
RC ECO:0000313|Proteomes:UP000199038};
RA de Groot N.N.;
RL Submitted (OCT-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; FNPJ01000011; SDY20407.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1H3HY96; -.
DR STRING; 133724.SAMN05421755_101129; -.
DR OrthoDB; 9806637at2; -.
DR Proteomes; UP000199038; Unassembled WGS sequence.
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};
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 30..32
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01007"
FT BINDING 50
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01007"
FT BINDING 74
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01007"
FT BINDING 95
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01007"
FT BINDING 102
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01007"
SQ SEQUENCE 314 AA; 35224 MW; BCD17AA11F305129 CRC64;
MHLPVLLNEA VDALAIKTDG AYVDGTFGRG GHSRLILSRL GKKGRLIAFD KDLAAIKTAE
TIDDKRFSIR HSSYVKIRDE LLALKVERVD GVLLDLGVSS SQLDESARGF SFRSEGPLDM
RMDTSRGETA AEWLNSVTES QLEEVIRSYG EERYAKQIAR AIVMARAQHP ISTTIQLAEI
VAAVVRTRGH QWEGKQHPAT RTFQAIRIYL NQELEELSLT LPQCVDLLNP GGRLVVISFH
SLEDRIVKRF MRTEASSDRL PHKLPLRDKE VKELSKQRLR LVGKALRPSA QEIAVNPRAR
SAVMRVAERI MING
//
