ID   TRM56_HALS3             Reviewed;         192 AA.
AC   B0R434;
DT   03-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   08-APR-2008, sequence version 1.
DT   03-AUG-2022, entry version 71.
DE   RecName: Full=tRNA (cytidine(56)-2'-O)-methyltransferase {ECO:0000255|HAMAP-Rule:MF_00077};
DE            EC=2.1.1.206 {ECO:0000255|HAMAP-Rule:MF_00077};
DE   AltName: Full=tRNA ribose 2'-O-methyltransferase aTrm56 {ECO:0000255|HAMAP-Rule:MF_00077};
GN   OrderedLocusNames=OE_2117F;
OS   Halobacterium salinarum (strain ATCC 29341 / DSM 671 / R1).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Halobacteriales;
OC   Halobacteriaceae; Halobacterium.
OX   NCBI_TaxID=478009;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29341 / DSM 671 / R1;
RX   PubMed=18313895; DOI=10.1016/j.ygeno.2008.01.001;
RA   Pfeiffer F., Schuster S.C., Broicher A., Falb M., Palm P., Rodewald K.,
RA   Ruepp A., Soppa J., Tittor J., Oesterhelt D.;
RT   "Evolution in the laboratory: the genome of Halobacterium salinarum strain
RT   R1 compared to that of strain NRC-1.";
RL   Genomics 91:335-346(2008).
CC   -!- FUNCTION: Specifically catalyzes the AdoMet-dependent 2'-O-ribose
CC       methylation of cytidine at position 56 in tRNAs. {ECO:0000255|HAMAP-
CC       Rule:MF_00077}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=cytidine(56) in tRNA + S-adenosyl-L-methionine = 2'-O-
CC         methylcytidine(56) in tRNA + H(+) + S-adenosyl-L-homocysteine;
CC         Xref=Rhea:RHEA:42968, Rhea:RHEA-COMP:10308, Rhea:RHEA-COMP:10309,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC         ChEBI:CHEBI:74495, ChEBI:CHEBI:82748; EC=2.1.1.206;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00077};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00077}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00077}.
CC   -!- SIMILARITY: Belongs to the aTrm56 family. {ECO:0000255|HAMAP-
CC       Rule:MF_00077}.
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DR   EMBL; AM774415; CAP13499.1; -; Genomic_DNA.
DR   RefSeq; WP_012289218.1; NC_010364.1.
DR   AlphaFoldDB; B0R434; -.
DR   SMR; B0R434; -.
DR   EnsemblBacteria; CAP13499; CAP13499; OE_2117F.
DR   GeneID; 5952679; -.
DR   KEGG; hsl:OE_2117F; -.
DR   HOGENOM; CLU_123709_0_0_2; -.
DR   OMA; VVHLTMY; -.
DR   PhylomeDB; B0R434; -.
DR   Proteomes; UP000001321; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0008175; F:tRNA methyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0002128; P:tRNA nucleoside ribose methylation; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.1280.10; -; 1.
DR   HAMAP; MF_00077; tRNA_methyltr_aTrm56; 1.
DR   InterPro; IPR029028; Alpha/beta_knot_MTases.
DR   InterPro; IPR029026; tRNA_m1G_MTases_N.
DR   InterPro; IPR002845; tRNA_mtfrase_aTrm56.
DR   PANTHER; PTHR42197; PTHR42197; 1.
DR   Pfam; PF01994; Trm56; 1.
DR   PIRSF; PIRSF016123; UCP016123; 1.
DR   SUPFAM; SSF75217; SSF75217; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Methyltransferase; S-adenosyl-L-methionine; Transferase;
KW   tRNA processing.
FT   CHAIN           1..192
FT                   /note="tRNA (cytidine(56)-2'-O)-methyltransferase"
FT                   /id="PRO_0000365299"
FT   BINDING         84
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00077"
FT   BINDING         112..116
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00077"
SQ   SEQUENCE   192 AA;  21021 MW;  760E9D1E30D6EEA3 CRC64;
     MQSHPEVAVL RYGHRPGRDD RMTTHVGLTA RALGADRVLF PDNATQAAET VRDITGRFGG
     PFDVERTTEL NATIEDWPGV VVHLTMYGEQ LQSVDDEIRT THREEPVLVV VGGEKVPGDV
     YEAADWNVGV TNQPHSEVAG LAVFLDRLFD GRELEQGYEN AERRVIPEEL GKHVVDVEDG
     DHAEGAAAGD GD