ID   RLMI_PSET1              Reviewed;         396 AA.
AC   Q3IKJ0;
DT   03-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   08-NOV-2005, sequence version 1.
DT   03-AUG-2022, entry version 86.
DE   RecName: Full=Ribosomal RNA large subunit methyltransferase I {ECO:0000255|HAMAP-Rule:MF_01857};
DE            EC=2.1.1.191 {ECO:0000255|HAMAP-Rule:MF_01857};
DE   AltName: Full=23S rRNA m5C1962 methyltransferase {ECO:0000255|HAMAP-Rule:MF_01857};
DE   AltName: Full=rRNA (cytosine-C(5)-)-methyltransferase RlmI {ECO:0000255|HAMAP-Rule:MF_01857};
GN   Name=rlmI {ECO:0000255|HAMAP-Rule:MF_01857}; OrderedLocusNames=PSHAa1147;
OS   Pseudoalteromonas translucida (strain TAC 125).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Pseudoalteromonadaceae; Pseudoalteromonas.
OX   NCBI_TaxID=326442;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=TAC 125;
RX   PubMed=16169927; DOI=10.1101/gr.4126905;
RA   Medigue C., Krin E., Pascal G., Barbe V., Bernsel A., Bertin P.N.,
RA   Cheung F., Cruveiller S., D'Amico S., Duilio A., Fang G., Feller G., Ho C.,
RA   Mangenot S., Marino G., Nilsson J., Parrilli E., Rocha E.P.C., Rouy Z.,
RA   Sekowska A., Tutino M.L., Vallenet D., von Heijne G., Danchin A.;
RT   "Coping with cold: the genome of the versatile marine Antarctica bacterium
RT   Pseudoalteromonas haloplanktis TAC125.";
RL   Genome Res. 15:1325-1335(2005).
CC   -!- FUNCTION: Specifically methylates the cytosine at position 1962
CC       (m5C1962) of 23S rRNA. {ECO:0000255|HAMAP-Rule:MF_01857}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=cytidine(1962) in 23S rRNA + S-adenosyl-L-methionine = 5-
CC         methylcytidine(1962) in 23S rRNA + H(+) + S-adenosyl-L-homocysteine;
CC         Xref=Rhea:RHEA:42912, Rhea:RHEA-COMP:10382, Rhea:RHEA-COMP:10386,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC         ChEBI:CHEBI:74483, ChEBI:CHEBI:82748; EC=2.1.1.191;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01857};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01857}.
CC   -!- SIMILARITY: Belongs to the methyltransferase superfamily. RlmI family.
CC       {ECO:0000255|HAMAP-Rule:MF_01857}.
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DR   EMBL; CR954246; CAI86222.1; -; Genomic_DNA.
DR   RefSeq; WP_011327833.1; NC_007481.1.
DR   AlphaFoldDB; Q3IKJ0; -.
DR   SMR; Q3IKJ0; -.
DR   STRING; 326442.PSHAa1147; -.
DR   PRIDE; Q3IKJ0; -.
DR   EnsemblBacteria; CAI86222; CAI86222; PSHAa1147.
DR   KEGG; pha:PSHAa1147; -.
DR   eggNOG; COG1092; Bacteria.
DR   HOGENOM; CLU_014042_0_0_6; -.
DR   OMA; VMDVFDY; -.
DR   OrthoDB; 468283at2; -.
DR   BioCyc; PHAL326442:PSHA_RS05690-MON; -.
DR   Proteomes; UP000006843; Chromosome I.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0003723; F:RNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0016434; F:rRNA (cytosine) methyltransferase activity; IEA:UniProtKB-UniRule.
DR   Gene3D; 2.30.130.10; -; 1.
DR   Gene3D; 3.40.50.150; -; 1.
DR   HAMAP; MF_01857; 23SrRNA_methyltr_I; 1.
DR   InterPro; IPR002478; PUA.
DR   InterPro; IPR015947; PUA-like_sf.
DR   InterPro; IPR036974; PUA_sf.
DR   InterPro; IPR041532; RlmI_PUA-like.
DR   InterPro; IPR023542; rRNA_lsu_MeTfrase_I.
DR   InterPro; IPR019614; SAM-dep_methyl-trfase.
DR   InterPro; IPR029063; SAM-dependent_MTases_sf.
DR   Pfam; PF10672; Methyltrans_SAM; 1.
DR   Pfam; PF17785; PUA_3; 1.
DR   SMART; SM00359; PUA; 1.
DR   SUPFAM; SSF53335; SSF53335; 1.
DR   SUPFAM; SSF88697; SSF88697; 1.
DR   PROSITE; PS50890; PUA; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Methyltransferase; Reference proteome; RNA-binding;
KW   rRNA processing; S-adenosyl-L-methionine; Transferase.
FT   CHAIN           1..396
FT                   /note="Ribosomal RNA large subunit methyltransferase I"
FT                   /id="PRO_0000366238"
FT   DOMAIN          2..79
FT                   /note="PUA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01857"
SQ   SEQUENCE   396 AA;  44105 MW;  8011C5257FA6D443 CRC64;
     MTSAVYLQAG RDKSLKRKHP WLFSKAIKKI KGKPGLGDTV TIHDSEGKFL ATAAYSPHSQ
     IRARVWSFDE KEVIDQHFFE RRLRRALEAR SQVIEEGGLT GFRLCAAESD FLPGVTIDKF
     DNVLVCQLLS AGAERHKGEI VGALMAIFPG MSIYERSDVE VRTKEGLEPI KGALWGNEPT
     APVLIAENGF KIEVDIIDGH KTGFYLDQRD SRAALERFSK DKTVLNCFSY TGTFSLYALR
     GGCKHVTNVD VSQPALDTAK RNVEHNNLDL DKVDFVKQDV FKLLRQYRED GVLFDTIVMD
     PPKFADNKAQ LTGACRGYKD INMIAMQILK PGGTLLTFSC SGLMEQNLFQ KVVADAALDA
     GKDLLIMERL NQAADHPIAG SYPEGFYLKG LICKVY