ID   RLMH_GRAFK              Reviewed;         157 AA.
AC   A0M0D0;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   12-DEC-2006, sequence version 1.
DT   03-AUG-2022, entry version 77.
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=GFO_1101;
OS   Gramella forsetii (strain KT0803).
OC   Bacteria; Bacteroidetes; Flavobacteriia; Flavobacteriales;
OC   Flavobacteriaceae; Gramella.
OX   NCBI_TaxID=411154;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=KT0803;
RX   PubMed=17107561; DOI=10.1111/j.1462-2920.2006.01152.x;
RA   Bauer M., Kube M., Teeling H., Richter M., Lombardot T., Allers E.,
RA   Wuerdemann C.A., Quast C., Kuhl H., Knaust F., Woebken D., Bischof K.,
RA   Mussmann M., Choudhuri J.V., Meyer F., Reinhardt R., Amann R.I.,
RA   Gloeckner F.O.;
RT   "Whole genome analysis of the marine Bacteroidetes'Gramella forsetii'
RT   reveals adaptations to degradation of polymeric organic matter.";
RL   Environ. Microbiol. 8:2201-2213(2006).
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; CU207366; CAL66075.1; -; Genomic_DNA.
DR   RefSeq; WP_011708994.1; NC_008571.1.
DR   AlphaFoldDB; A0M0D0; -.
DR   SMR; A0M0D0; -.
DR   STRING; 411154.GFO_1101; -.
DR   EnsemblBacteria; CAL66075; CAL66075; GFO_1101.
DR   KEGG; gfo:GFO_1101; -.
DR   eggNOG; COG1576; Bacteria.
DR   HOGENOM; CLU_100552_2_0_10; -.
DR   OMA; NEPYHHQ; -.
DR   OrthoDB; 1783583at2; -.
DR   Proteomes; UP000000755; 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; rRNA processing; S-adenosyl-L-methionine;
KW   Transferase.
FT   CHAIN           1..157
FT                   /note="Ribosomal RNA large subunit methyltransferase H"
FT                   /id="PRO_1000061786"
FT   BINDING         73
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00658"
FT   BINDING         105
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00658"
FT   BINDING         124..129
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00658"
SQ   SEQUENCE   157 AA;  18455 MW;  A3A7CA788E534E04 CRC64;
     MTIKLVCIGK TDKKELEALI KIYSDRLQHY IKFEFEIIPD LKKTKNLDEN QQKSKEGELI
     LSGVQNSDFV VLLDENGKQF SSESFSEYIQ KRMNTGLKRL IFVIGGPYGF SEEVYKRADS
     KISLSKMTFS HQMVRLFFTE QLYRAFTILK NEPYHHR