ID R4V3X4_9GAMM Unreviewed; 236 AA.
AC R4V3X4;
DT 24-JUL-2013, integrated into UniProtKB/TrEMBL.
DT 24-JUL-2013, sequence version 1.
DT 24-JAN-2024, entry version 40.
DE RecName: Full=tRNA (cytidine/uridine-2'-O-)-methyltransferase TrmJ {ECO:0000256|RuleBase:RU362024};
DE EC=2.1.1.200 {ECO:0000256|RuleBase:RU362024};
DE AltName: Full=tRNA (cytidine(32)/uridine(32)-2'-O)-methyltransferase {ECO:0000256|RuleBase:RU362024};
DE AltName: Full=tRNA Cm32/Um32 methyltransferase {ECO:0000256|RuleBase:RU362024};
GN Name=trmJ {ECO:0000256|RuleBase:RU362024};
GN ORFNames=SPISAL_02950 {ECO:0000313|EMBL:AGM40684.1};
OS Spiribacter salinus M19-40.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Chromatiales;
OC Ectothiorhodospiraceae; Spiribacter.
OX NCBI_TaxID=1260251 {ECO:0000313|EMBL:AGM40684.1, ECO:0000313|Proteomes:UP000017881};
RN [1] {ECO:0000313|EMBL:AGM40684.1, ECO:0000313|Proteomes:UP000017881}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=M19-40 {ECO:0000313|EMBL:AGM40684.1};
RX PubMed=23409269;
RA Leon M.J., Ghai R., Fernandez A.B., Sanchez-Porro C., Rodriguez-Valera F.,
RA Ventosa A.;
RT "Draft Genome of Spiribacter salinus M19-40, an Abundant
RT Gammaproteobacterium in Aquatic Hypersaline Environments.";
RL Genome Announc. 1:E00179-12(2013).
CC -!- FUNCTION: Catalyzes the formation of 2'O-methylated cytidine (Cm32) or
CC 2'O-methylated uridine (Um32) at position 32 in tRNA.
CC {ECO:0000256|RuleBase:RU362024}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=S-adenosyl-L-methionine + uridine(32) in tRNA = 2'-O-
CC methyluridine(32) in tRNA + H(+) + S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:42936, Rhea:RHEA-COMP:10107, Rhea:RHEA-COMP:10290,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:65315, ChEBI:CHEBI:74478; EC=2.1.1.200;
CC Evidence={ECO:0000256|RuleBase:RU362024};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=cytidine(32) in tRNA + S-adenosyl-L-methionine = 2'-O-
CC methylcytidine(32) in tRNA + H(+) + S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:42932, Rhea:RHEA-COMP:10288, Rhea:RHEA-COMP:10289,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:74495, ChEBI:CHEBI:82748; EC=2.1.1.200;
CC Evidence={ECO:0000256|RuleBase:RU362024};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|RuleBase:RU362024}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|RuleBase:RU362024}.
CC -!- SIMILARITY: Belongs to the class IV-like SAM-binding methyltransferase
CC superfamily. RNA methyltransferase TrmH family.
CC {ECO:0000256|ARBA:ARBA00007228}.
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DR EMBL; CP005963; AGM40684.1; -; Genomic_DNA.
DR AlphaFoldDB; R4V3X4; -.
DR KEGG; ssal:SPISAL_02950; -.
DR PATRIC; fig|1260251.3.peg.593; -.
DR eggNOG; COG0565; Bacteria.
DR HOGENOM; CLU_056931_3_0_6; -.
DR Proteomes; UP000017881; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0003723; F:RNA binding; IEA:InterPro.
DR GO; GO:0008173; F:RNA methyltransferase activity; IEA:InterPro.
DR GO; GO:0001510; P:RNA methylation; IEA:GOC.
DR GO; GO:0008033; P:tRNA processing; IEA:UniProtKB-KW.
DR CDD; cd18093; SpoU-like_TrmJ; 1.
DR Gene3D; 1.10.8.590; -; 1.
DR Gene3D; 3.40.1280.10; -; 1.
DR InterPro; IPR029028; Alpha/beta_knot_MTases.
DR InterPro; IPR004384; RNA_MeTrfase_TrmJ/LasT.
DR InterPro; IPR001537; SpoU_MeTrfase.
DR InterPro; IPR029026; tRNA_m1G_MTases_N.
DR NCBIfam; TIGR00050; rRNA_methyl_1; 1.
DR PANTHER; PTHR42786:SF2; TRNA (CYTIDINE/URIDINE-2'-O-)-METHYLTRANSFERASE TRMJ; 1.
DR PANTHER; PTHR42786; TRNA/RRNA METHYLTRANSFERASE; 1.
DR Pfam; PF00588; SpoU_methylase; 1.
DR PIRSF; PIRSF004808; LasT; 1.
DR SUPFAM; SSF75217; alpha/beta knot; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|RuleBase:RU362024};
KW Methyltransferase {ECO:0000256|ARBA:ARBA00022603,
KW ECO:0000256|RuleBase:RU362024};
KW Reference proteome {ECO:0000313|Proteomes:UP000017881};
KW S-adenosyl-L-methionine {ECO:0000256|RuleBase:RU362024};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000313|EMBL:AGM40684.1};
KW tRNA processing {ECO:0000256|RuleBase:RU362024}.
FT DOMAIN 10..156
FT /note="tRNA/rRNA methyltransferase SpoU type"
FT /evidence="ECO:0000259|Pfam:PF00588"
SQ SEQUENCE 236 AA; 25203 MW; E0A582DDA5A3112D CRC64;
MARKTPDDCR FILVGASHSG NIGAAARAMK TMALTGLDLV APTCEVDDQA RAMASHAVDV
VEAARSFNGL NEALAEHTLV LGLTARPRRD GVPALDPAEA AAMIHAERGS TAVLFGRERS
GLTNEELGGC HRLIHIPANP DYPSLNLAAA VQLMAYEIYR HGSTPTPEAG DGAPLAAGAH
LEGLHEQIAA LVEQSGYSAN QPREVLGRRL RNFINRSRPS VEEVNLLRGI LKRILR
//