ID   RLMH_RHIWR              Reviewed;         140 AA.
AC   A5V9D8;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   10-JUL-2007, sequence version 1.
DT   03-AUG-2022, entry version 73.
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=Swit_2545;
OS   Rhizorhabdus wittichii (strain DSM 6014 / CCUG 31198 / JCM 15750 / NBRC
OS   105917 / EY 4224 / RW1) (Sphingomonas wittichii).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Sphingomonadales;
OC   Sphingomonadaceae; Rhizorhabdus.
OX   NCBI_TaxID=392499;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 6014 / CCUG 31198 / JCM 15750 / NBRC 105917 / EY 4224 / RW1;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Saunders E., Brettin T., Bruce D., Detter J.C.,
RA   Han C., Tapia R., Gilna P., Schmutz J., Larimer F., Land M., Hauser L.,
RA   Kyrpides N., Kim E., Halden R.U., Miller T.R., Salzberg S.L., Eisen J.A.,
RA   Richardson P.;
RT   "Complete sequence of chromosome of Sphingomonas wittichii RW1.";
RL   Submitted (MAY-2007) 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; CP000699; ABQ68904.1; -; Genomic_DNA.
DR   RefSeq; WP_012048757.1; NC_009511.1.
DR   AlphaFoldDB; A5V9D8; -.
DR   SMR; A5V9D8; -.
DR   STRING; 392499.Swit_2545; -.
DR   EnsemblBacteria; ABQ68904; ABQ68904; Swit_2545.
DR   KEGG; swi:Swit_2545; -.
DR   eggNOG; COG1576; Bacteria.
DR   HOGENOM; CLU_100552_1_1_5; -.
DR   OMA; FGRATWP; -.
DR   OrthoDB; 1783583at2; -.
DR   Proteomes; UP000001989; 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..140
FT                   /note="Ribosomal RNA large subunit methyltransferase H"
FT                   /id="PRO_1000061845"
FT   BINDING         55
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00658"
FT   BINDING         87
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00658"
SQ   SEQUENCE   140 AA;  15783 MW;  AE534D88055F6940 CRC64;
     MLLHIVARGR IGRGPEADLV DRYIKRIGWP TRITELPDSG GRLPPRDPGT VLVMLDEKGE
     QLGSMAFAEK LGRWRDDGRR EVRFLIGAAD GFDEAQRREA DLLFAFGKAT WPHLLARAML
     AEQLWRATSI LAGHPYHREG