ID   RLMI_ALTMD              Reviewed;         397 AA.
AC   B4RRY8; F2G9H1;
DT   03-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   23-SEP-2008, sequence version 1.
DT   03-AUG-2022, entry version 81.
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};
GN   OrderedLocusNames=MADE_1008550;
OS   Alteromonas mediterranea (strain DSM 17117 / CIP 110805 / LMG 28347 / Deep
OS   ecotype).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Alteromonadaceae; Alteromonas/Salinimonas group; Alteromonas.
OX   NCBI_TaxID=1774373;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 17117 / CIP 110805 / LMG 28347 / Deep ecotype;
RX   PubMed=18670397; DOI=10.1038/ismej.2008.74;
RA   Ivars-Martinez E., Martin-Cuadrado A.-B., D'Auria G., Mira A., Ferriera S.,
RA   Johnson J., Friedman R., Rodriguez-Valera F.;
RT   "Comparative genomics of two ecotypes of the marine planktonic copiotroph
RT   Alteromonas macleodii suggests alternative lifestyles associated with
RT   different kinds of particulate organic matter.";
RL   ISME J. 2:1194-1212(2008).
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; CP001103; AEA97850.1; -; Genomic_DNA.
DR   RefSeq; WP_012518182.1; NC_011138.3.
DR   AlphaFoldDB; B4RRY8; -.
DR   SMR; B4RRY8; -.
DR   EnsemblBacteria; AEA97850; AEA97850; MADE_1008550.
DR   KEGG; amc:MADE_1008550; -.
DR   HOGENOM; CLU_014042_0_0_6; -.
DR   OMA; VMDVFDY; -.
DR   Proteomes; UP000001870; Chromosome.
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; RNA-binding; rRNA processing;
KW   S-adenosyl-L-methionine; Transferase.
FT   CHAIN           1..397
FT                   /note="Ribosomal RNA large subunit methyltransferase I"
FT                   /id="PRO_0000366217"
FT   DOMAIN          2..81
FT                   /note="PUA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01857"
SQ   SEQUENCE   397 AA;  44246 MW;  EB313CE8752DC98B CRC64;
     MSAQVILQPS RDKSLRRKHP WVFESAVAEL KGRARIGDTV DVFDDEGDWL GRGAYSPHSK
     IRVRMWTFKK DESIDNGFFL RRLETALALR KRLFDPNKTN AFRWIASESD GLPGVTIDLY
     DNVAVVQLLS AGGEKHRDKI VWAITKLMPD VHVYERSDVD VRKKEGLEPV TGVLHGQPPT
     QVTVKENGIN IVVDIESGHK TGFYLDQRDS RAAAAHYAKD ADVLNCFSYT GTFSCYALSG
     GAKSVTNVDV SQPALDLAKH HVAINGFDDK RTQYLNKDVF KALREYHEQN KQFDMVILDP
     PKFVDNKASL NRAARGYKDI NMYGIHAVKS GGLLLTFSCS GLMPADLFQK VVADAALDAG
     RTIKIIARLN QASDHPIIGS YPEGYYLKGL VCEVTDD