ID   TRMFO_STRPM             Reviewed;         448 AA.
AC   Q48TI1;
DT   02-SEP-2008, integrated into UniProtKB/Swiss-Prot.
DT   02-SEP-2008, sequence version 2.
DT   03-AUG-2022, entry version 100.
DE   RecName: Full=Methylenetetrahydrofolate--tRNA-(uracil-5-)-methyltransferase TrmFO {ECO:0000255|HAMAP-Rule:MF_01037};
DE            EC=2.1.1.74 {ECO:0000255|HAMAP-Rule:MF_01037};
DE   AltName: Full=Folate-dependent tRNA (uracil-5-)-methyltransferase {ECO:0000255|HAMAP-Rule:MF_01037};
DE   AltName: Full=Folate-dependent tRNA(M-5-U54)-methyltransferase {ECO:0000255|HAMAP-Rule:MF_01037};
GN   Name=trmFO {ECO:0000255|HAMAP-Rule:MF_01037};
GN   OrderedLocusNames=M28_Spy0866;
OS   Streptococcus pyogenes serotype M28 (strain MGAS6180).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=319701;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MGAS6180;
RX   PubMed=16088825; DOI=10.1086/430618;
RA   Green N.M., Zhang S., Porcella S.F., Nagiec M.J., Barbian K.D., Beres S.B.,
RA   Lefebvre R.B., Musser J.M.;
RT   "Genome sequence of a serotype M28 strain of group A Streptococcus:
RT   potential new insights into puerperal sepsis and bacterial disease
RT   specificity.";
RL   J. Infect. Dis. 192:760-770(2005).
CC   -!- FUNCTION: Catalyzes the folate-dependent formation of 5-methyl-uridine
CC       at position 54 (M-5-U54) in all tRNAs. {ECO:0000255|HAMAP-
CC       Rule:MF_01037}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(6R)-5,10-methylene-5,6,7,8-tetrahydrofolate + H(+) + NADH +
CC         uridine(54) in tRNA = (6S)-5,6,7,8-tetrahydrofolate + 5-
CC         methyluridine(54) in tRNA + NAD(+); Xref=Rhea:RHEA:16873, Rhea:RHEA-
CC         COMP:10167, Rhea:RHEA-COMP:10193, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:15636, ChEBI:CHEBI:57453, ChEBI:CHEBI:57540,
CC         ChEBI:CHEBI:57945, ChEBI:CHEBI:65315, ChEBI:CHEBI:74447; EC=2.1.1.74;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01037};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(6R)-5,10-methylene-5,6,7,8-tetrahydrofolate + H(+) + NADPH +
CC         uridine(54) in tRNA = (6S)-5,6,7,8-tetrahydrofolate + 5-
CC         methyluridine(54) in tRNA + NADP(+); Xref=Rhea:RHEA:62372, Rhea:RHEA-
CC         COMP:10167, Rhea:RHEA-COMP:10193, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:15636, ChEBI:CHEBI:57453, ChEBI:CHEBI:57783,
CC         ChEBI:CHEBI:58349, ChEBI:CHEBI:65315, ChEBI:CHEBI:74447; EC=2.1.1.74;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01037};
CC   -!- COFACTOR:
CC       Name=FAD; Xref=ChEBI:CHEBI:57692;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01037};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01037}.
CC   -!- SIMILARITY: Belongs to the MnmG family. TrmFO subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01037}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAX71979.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CP000056; AAX71979.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_021340800.1; NC_007296.2.
DR   AlphaFoldDB; Q48TI1; -.
DR   SMR; Q48TI1; -.
DR   EnsemblBacteria; AAX71979; AAX71979; M28_Spy0866.
DR   KEGG; spb:M28_Spy0866; -.
DR   HOGENOM; CLU_033057_1_0_9; -.
DR   Proteomes; UP000009292; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0030698; F:5,10-methylenetetrahydrofolate-dependent tRNA (m5U54) methyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0047151; F:methylenetetrahydrofolate-tRNA-(uracil-5-)-methyltransferase (FADH2-oxidizing) activity; IEA:UniProtKB-EC.
DR   Gene3D; 3.50.50.60; -; 2.
DR   HAMAP; MF_01037; TrmFO; 1.
DR   InterPro; IPR036188; FAD/NAD-bd_sf.
DR   InterPro; IPR002218; MnmG-rel.
DR   InterPro; IPR020595; MnmG-rel_CS.
DR   InterPro; IPR040131; MnmG_N.
DR   InterPro; IPR004417; TrmFO.
DR   PANTHER; PTHR11806; PTHR11806; 1.
DR   PANTHER; PTHR11806:SF2; PTHR11806:SF2; 1.
DR   Pfam; PF01134; GIDA; 1.
DR   SUPFAM; SSF51905; SSF51905; 1.
DR   TIGRFAMs; TIGR00137; gid_trmFO; 1.
DR   PROSITE; PS01281; GIDA_2; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; FAD; Flavoprotein; Methyltransferase; NAD; NADP; Transferase;
KW   tRNA processing.
FT   CHAIN           1..448
FT                   /note="Methylenetetrahydrofolate--tRNA-(uracil-5-)-
FT                   methyltransferase TrmFO"
FT                   /id="PRO_0000346402"
FT   BINDING         13..18
FT                   /ligand="FAD"
FT                   /ligand_id="ChEBI:CHEBI:57692"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01037"
SQ   SEQUENCE   448 AA;  49481 MW;  920CED2964BF80AC CRC64;
     MSQSTATYIN VIGAGLAGSE AAYQIAKRGI PVKLYEMRGV KATPQHKTTN FAELVCSNSF
     RGDSLTNAVG LLKEEMRRLD SIIMRNGEAN RVPAGGAMAV DREGYAKSVT AELENHPLIE
     VIRDEITEIP DDAITVIATG PLTSDALAEK IHALNGGDGF YFYDAAAPII DKSTIDMSKV
     YLKSRYDKGE AAYLNCPMTK EEFMAFHDAL TNAEEAPLNA FEKEKYFEGC MPIEVMAKRG
     IKTMLYGPMK PVGLEYPDDY TGPRDGEFKT PYAVVQLRQD NAAGSLYNIV GFQTHLKWGE
     QKRVFQMIPG LENAEFVRYG VMHRNSYMDS PNLLTETFQS RNNPNLFFAG QMTGVEGYVE
     SAASGLVAGT NAARLFKREE ALVFPQTTAI GSLPHYVTHA DSKHFQPMNV NFGIIKELEG
     PRIRDKKERY EAIASRALAD LDTCLASL