ID   RLMH_RUEST              Reviewed;         156 AA.
AC   Q1GDM9;
DT   28-NOV-2006, integrated into UniProtKB/Swiss-Prot.
DT   27-JUN-2006, sequence version 1.
DT   03-AUG-2022, entry version 92.
DE   RecName: Full=Ribosomal RNA large subunit methyltransferase H {ECO:0000255|HAMAP-Rule:MF_00658};
DE            EC=2.1.1.177 {ECO:0000255|HAMAP-Rule:MF_00658};
DE   AltName: Full=23S rRNA (pseudouridine1915-N3)-methyltransferase {ECO:0000255|HAMAP-Rule:MF_00658};
DE   AltName: Full=23S rRNA m3Psi1915 methyltransferase {ECO:0000255|HAMAP-Rule:MF_00658};
DE   AltName: Full=rRNA (pseudouridine-N3-)-methyltransferase RlmH {ECO:0000255|HAMAP-Rule:MF_00658};
GN   Name=rlmH {ECO:0000255|HAMAP-Rule:MF_00658}; OrderedLocusNames=TM1040_2505;
OS   Ruegeria sp. (strain TM1040) (Silicibacter sp.).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhodobacterales;
OC   Roseobacteraceae; Ruegeria; unclassified Ruegeria.
OX   NCBI_TaxID=292414;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=TM1040;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Brettin T., Bruce D., Han C., Tapia R., Goodwin L., Thompson L.S.,
RA   Gilna P., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Kim E.,
RA   Belas R., Moran M.A., Buchan A., Gonzalez J.M., Schell M.A., Sun F.,
RA   Richardson P.;
RT   "Complete sequence of chromosome of Silicibacter sp. TM1040.";
RL   Submitted (MAY-2006) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Specifically methylates the pseudouridine at position 1915
CC       (m3Psi1915) in 23S rRNA. {ECO:0000255|HAMAP-Rule:MF_00658}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=pseudouridine(1915) in 23S rRNA + S-adenosyl-L-methionine =
CC         H(+) + N(3)-methylpseudouridine(1915) in 23S rRNA + S-adenosyl-L-
CC         homocysteine; Xref=Rhea:RHEA:42752, Rhea:RHEA-COMP:10221, Rhea:RHEA-
CC         COMP:10222, ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC         ChEBI:CHEBI:65314, ChEBI:CHEBI:74486; EC=2.1.1.177;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00658};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00658}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00658}.
CC   -!- SIMILARITY: Belongs to the RNA methyltransferase RlmH family.
CC       {ECO:0000255|HAMAP-Rule:MF_00658}.
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DR   EMBL; CP000377; ABF65237.1; -; Genomic_DNA.
DR   RefSeq; WP_011539824.1; NC_008044.1.
DR   AlphaFoldDB; Q1GDM9; -.
DR   SMR; Q1GDM9; -.
DR   STRING; 292414.TM1040_2505; -.
DR   EnsemblBacteria; ABF65237; ABF65237; TM1040_2505.
DR   KEGG; sit:TM1040_2505; -.
DR   eggNOG; COG1576; Bacteria.
DR   HOGENOM; CLU_100552_1_1_5; -.
DR   OMA; NEPYHHQ; -.
DR   OrthoDB; 1783583at2; -.
DR   Proteomes; UP000000636; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0070038; F:rRNA (pseudouridine-N3-)-methyltransferase activity; IEA:UniProtKB-UniRule.
DR   CDD; cd18081; RlmH-like; 1.
DR   Gene3D; 3.40.1280.10; -; 1.
DR   HAMAP; MF_00658; 23SrRNA_methyltr_H; 1.
DR   InterPro; IPR029028; Alpha/beta_knot_MTases.
DR   InterPro; IPR003742; RlmH-like.
DR   InterPro; IPR029026; tRNA_m1G_MTases_N.
DR   PANTHER; PTHR33603; PTHR33603; 1.
DR   Pfam; PF02590; SPOUT_MTase; 1.
DR   PIRSF; PIRSF004505; MT_bac; 1.
DR   SUPFAM; SSF75217; SSF75217; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Methyltransferase; Reference proteome; rRNA processing;
KW   S-adenosyl-L-methionine; Transferase.
FT   CHAIN           1..156
FT                   /note="Ribosomal RNA large subunit methyltransferase H"
FT                   /id="PRO_0000260611"
FT   BINDING         72
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00658"
FT   BINDING         104
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00658"
FT   BINDING         123..128
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00658"
SQ   SEQUENCE   156 AA;  17141 MW;  29E8890C25A15C45 CRC64;
     MRVHICAVGR LRAGPEKTLI DDYLQRFDRS GRALGLGPAR VIEVEDKKNA GMGAEADLLR
     KALPKGALIC TLDERGKVIS SPDFAEKLAG WRDMGRQDLA FVIGGADGID PSLRAEADFS
     ISFGKMVWPH MMVRLMLAEQ VYRSATILSG SPYHRV