ID B7GUH0_BIFLS Unreviewed; 169 AA.
AC B7GUH0;
DT 10-FEB-2009, integrated into UniProtKB/TrEMBL.
DT 10-FEB-2009, sequence version 1.
DT 24-JAN-2024, entry version 73.
DE RecName: Full=Putative tRNA (cytidine(34)-2'-O)-methyltransferase {ECO:0000256|HAMAP-Rule:MF_01885};
DE EC=2.1.1.207 {ECO:0000256|HAMAP-Rule:MF_01885};
DE AltName: Full=tRNA (cytidine/uridine-2'-O-)-methyltransferase {ECO:0000256|HAMAP-Rule:MF_01885};
GN OrderedLocusNames=Blon_2052 {ECO:0000313|EMBL:ACJ53116.1};
OS Bifidobacterium longum subsp. infantis (strain ATCC 15697 / DSM 20088 / JCM
OS 1222 / NCTC 11817 / S12).
OC Bacteria; Actinomycetota; Actinomycetes; Bifidobacteriales;
OC Bifidobacteriaceae; Bifidobacterium.
OX NCBI_TaxID=391904 {ECO:0000313|EMBL:ACJ53116.1, ECO:0000313|Proteomes:UP000001360};
RN [1] {ECO:0000313|EMBL:ACJ53116.1, ECO:0000313|Proteomes:UP000001360}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 15697 / DSM 20088 / JCM 1222 / NCTC 11817 / S12 [JGI]
RC {ECO:0000313|Proteomes:UP000001360};
RX PubMed=19033196; DOI=10.1073/pnas.0809584105;
RA Sela D.A., Chapman J., Adeuya A., Kim J.H., Chen F., Whitehead T.R.,
RA Lapidus A., Rokhsar D.S., Lebrilla C.B., German J.B., Price N.P.,
RA Richardson P.M., Mills D.A.;
RT "The genome sequence of Bifidobacterium longum subsp. infantis reveals
RT adaptations for milk utilization within the infant microbiome.";
RL Proc. Natl. Acad. Sci. U.S.A. 105:18964-18969(2008).
CC -!- FUNCTION: Could methylate the ribose at the nucleotide 34 wobble
CC position in tRNA. {ECO:0000256|HAMAP-Rule:MF_01885}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=5-carboxymethylaminomethyluridine(34) in tRNA(Leu) + S-
CC adenosyl-L-methionine = 5-carboxymethylaminomethyl-2'-O-
CC methyluridine(34) in tRNA(Leu) + H(+) + S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:43088, Rhea:RHEA-COMP:10333, Rhea:RHEA-COMP:10334,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:74508, ChEBI:CHEBI:74511; EC=2.1.1.207;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01885};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=cytidine(34) in tRNA + S-adenosyl-L-methionine = 2'-O-
CC methylcytidine(34) in tRNA + H(+) + S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:43084, Rhea:RHEA-COMP:10331, Rhea:RHEA-COMP:10332,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:74495, ChEBI:CHEBI:82748; EC=2.1.1.207;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01885};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01885}.
CC -!- SIMILARITY: Belongs to the class IV-like SAM-binding methyltransferase
CC superfamily. RNA methyltransferase TrmH family. TrmL subfamily.
CC {ECO:0000256|HAMAP-Rule:MF_01885}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_01885}.
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DR EMBL; CP001095; ACJ53116.1; -; Genomic_DNA.
DR AlphaFoldDB; B7GUH0; -.
DR KEGG; bln:Blon_2052; -.
DR Proteomes; UP000001360; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0003723; F:RNA binding; IEA:InterPro.
DR GO; GO:0008757; F:S-adenosylmethionine-dependent methyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0008175; F:tRNA methyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0030488; P:tRNA methylation; IEA:UniProtKB-UniRule.
DR CDD; cd18094; SpoU-like_TrmL; 1.
DR Gene3D; 3.40.1280.10; -; 1.
DR HAMAP; MF_01885; tRNA_methyltr_TrmL; 1.
DR InterPro; IPR029028; Alpha/beta_knot_MTases.
DR InterPro; IPR001537; SpoU_MeTrfase.
DR InterPro; IPR016914; TrmL.
DR InterPro; IPR029026; tRNA_m1G_MTases_N.
DR PANTHER; PTHR42971; TRNA (CYTIDINE(34)-2'-O)-METHYLTRANSFERASE; 1.
DR PANTHER; PTHR42971:SF1; TRNA (CYTIDINE(34)-2'-O)-METHYLTRANSFERASE; 1.
DR Pfam; PF00588; SpoU_methylase; 1.
DR PIRSF; PIRSF029256; SpoU_TrmH_prd; 1.
DR SUPFAM; SSF75217; alpha/beta knot; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01885};
KW Methyltransferase {ECO:0000256|HAMAP-Rule:MF_01885,
KW ECO:0000313|EMBL:ACJ53116.1};
KW S-adenosyl-L-methionine {ECO:0000256|HAMAP-Rule:MF_01885,
KW ECO:0000256|PIRSR:PIRSR029256-1};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_01885, ECO:0000313|EMBL:ACJ53116.1};
KW tRNA processing {ECO:0000256|HAMAP-Rule:MF_01885}.
FT DOMAIN 17..157
FT /note="tRNA/rRNA methyltransferase SpoU type"
FT /evidence="ECO:0000259|Pfam:PF00588"
FT BINDING 113
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01885,
FT ECO:0000256|PIRSR:PIRSR029256-1"
FT BINDING 137
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01885,
FT ECO:0000256|PIRSR:PIRSR029256-1"
FT BINDING 145
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01885,
FT ECO:0000256|PIRSR:PIRSR029256-1"
SQ SEQUENCE 169 AA; 18741 MW; DE2A3AF33E242962 CRC64;
MLSAEKAATT ETVTPHLCYY SPRIPGNTGS AIRLCAVTGT ILHLVEPLGF NLRDTKLRRA
GLDYHDMAHV VLHPNFDNLV ESMPNSRIIA FTAHATKLYT EVEYKPTDIL LFGPEPGDIP
DPMDIMEGPH VAEQVRLPMR PSLRSLNLTN CASIAIYEAW RQLNFKGGA
//