ID   RLMI_CITK8              Reviewed;         396 AA.
AC   A8AIB0;
DT   03-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   03-MAR-2009, sequence version 2.
DT   03-AUG-2022, entry version 78.
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=CKO_02099;
OS   Citrobacter koseri (strain ATCC BAA-895 / CDC 4225-83 / SGSC4696).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Citrobacter.
OX   NCBI_TaxID=290338;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-895 / CDC 4225-83 / SGSC4696;
RG   The Citrobacter koseri Genome Sequencing Project;
RA   McClelland M., Sanderson E.K., Porwollik S., Spieth J., Clifton W.S.,
RA   Latreille P., Courtney L., Wang C., Pepin K., Bhonagiri V., Nash W.,
RA   Johnson M., Thiruvilangam P., Wilson R.;
RL   Submitted (AUG-2007) to the EMBL/GenBank/DDBJ databases.
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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=ABV13223.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CP000822; ABV13223.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_048902395.1; NC_009792.1.
DR   AlphaFoldDB; A8AIB0; -.
DR   SMR; A8AIB0; -.
DR   STRING; 290338.CKO_02099; -.
DR   EnsemblBacteria; ABV13223; ABV13223; CKO_02099.
DR   GeneID; 45136048; -.
DR   KEGG; cko:CKO_02099; -.
DR   HOGENOM; CLU_014042_0_0_6; -.
DR   OrthoDB; 468283at2; -.
DR   Proteomes; UP000008148; 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; 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_0000366218"
FT   DOMAIN          2..79
FT                   /note="PUA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01857"
SQ   SEQUENCE   396 AA;  44392 MW;  0AC4524D47F0A7CB CRC64;
     MSVRLVLAKG REKSLLRRHP WVFSGAVARM EGKASLGETI DIVDHQGKWL ARGAYSPASQ
     IRARVWTFDQ AESIDIAFFT RRLHQAQQWR DWLAKKDGLD SYRLIAGESD GLPGITIDRF
     GNFLVLQLLS AGAEYQRAAL ISALQTQYPE CAIYDRSDVA VRKKEGMELT QGPVTGELPP
     ALLPIEEHGM KLLVDIQGGH KTGYYLDQRD SRLATRRYVE NQRVLNCFSY TGGFAVSALM
     GGCRQVVSVD TSQEALDIAK QNVELNKLDL SKAEFVRDDV FKLLRAYRDR REKFDVIVMD
     PPKFVENKSQ LMGACRGYKD INMLAIQLLN PGGVLLTFSC SGLMTTDLFQ KIIADAAIDA
     GRDVQFIEQF RQAADHPVIA TYPEGLYLKG FACRVM