ID A0A1G1LTB2_9BACT Unreviewed; 289 AA.
AC A0A1G1LTB2;
DT 15-FEB-2017, integrated into UniProtKB/TrEMBL.
DT 15-FEB-2017, sequence version 1.
DT 27-MAR-2024, entry version 19.
DE RecName: Full=Methylenetetrahydrofolate reductase {ECO:0000256|RuleBase:RU003862};
DE EC=1.5.1.54 {ECO:0000256|RuleBase:RU003862};
GN ORFNames=A2Z88_01450 {ECO:0000313|EMBL:OGX07980.1};
OS Omnitrophica WOR_2 bacterium GWA2_47_8.
OC Bacteria; Candidatus Omnitrophota.
OX NCBI_TaxID=1801840 {ECO:0000313|EMBL:OGX07980.1, ECO:0000313|Proteomes:UP000178620};
RN [1] {ECO:0000313|EMBL:OGX07980.1, ECO:0000313|Proteomes:UP000178620}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=27774985; DOI=10.1038/ncomms13219;
RA Anantharaman K., Brown C.T., Hug L.A., Sharon I., Castelle C.J.,
RA Probst A.J., Thomas B.C., Singh A., Wilkins M.J., Karaoz U., Brodie E.L.,
RA Williams K.H., Hubbard S.S., Banfield J.F.;
RT "Thousands of microbial genomes shed light on interconnected biogeochemical
RT processes in an aquifer system.";
RL Nat. Commun. 7:13219-13219(2016).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(6S)-5-methyl-5,6,7,8-tetrahydrofolate + NAD(+) = (6R)-5,10-
CC methylene-5,6,7,8-tetrahydrofolate + H(+) + NADH;
CC Xref=Rhea:RHEA:19821, ChEBI:CHEBI:15378, ChEBI:CHEBI:15636,
CC ChEBI:CHEBI:18608, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945; EC=1.5.1.54;
CC Evidence={ECO:0000256|ARBA:ARBA00034420};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:19823;
CC Evidence={ECO:0000256|ARBA:ARBA00034420};
CC -!- COFACTOR:
CC Name=FAD; Xref=ChEBI:CHEBI:57692;
CC Evidence={ECO:0000256|ARBA:ARBA00001974,
CC ECO:0000256|RuleBase:RU003862};
CC -!- PATHWAY: Amino-acid biosynthesis; L-methionine biosynthesis via de novo
CC pathway. {ECO:0000256|ARBA:ARBA00034478}.
CC -!- PATHWAY: One-carbon metabolism; tetrahydrofolate interconversion.
CC {ECO:0000256|ARBA:ARBA00004777, ECO:0000256|RuleBase:RU003862}.
CC -!- SIMILARITY: Belongs to the methylenetetrahydrofolate reductase family.
CC {ECO:0000256|ARBA:ARBA00006743, ECO:0000256|RuleBase:RU003862}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:OGX07980.1}.
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DR EMBL; MHFY01000054; OGX07980.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1G1LTB2; -.
DR STRING; 1801840.A2Z88_01450; -.
DR UniPathway; UPA00193; -.
DR Proteomes; UP000178620; Unassembled WGS sequence.
DR GO; GO:0005829; C:cytosol; IEA:InterPro.
DR GO; GO:0106312; F:methylenetetrahydrofolate reductase NADH activity; IEA:RHEA.
DR GO; GO:0009086; P:methionine biosynthetic process; IEA:UniProtKB-KW.
DR GO; GO:0035999; P:tetrahydrofolate interconversion; IEA:UniProtKB-UniPathway.
DR CDD; cd00537; MTHFR; 1.
DR Gene3D; 3.20.20.220; -; 1.
DR InterPro; IPR029041; FAD-linked_oxidoreductase-like.
DR InterPro; IPR003171; Mehydrof_redctse-like.
DR InterPro; IPR004620; MTHF_reductase_bac.
DR NCBIfam; TIGR00676; fadh2; 1.
DR PANTHER; PTHR45754; METHYLENETETRAHYDROFOLATE REDUCTASE; 1.
DR PANTHER; PTHR45754:SF3; METHYLENETETRAHYDROFOLATE REDUCTASE; 1.
DR Pfam; PF02219; MTHFR; 1.
DR SUPFAM; SSF51730; FAD-linked oxidoreductase; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605};
KW FAD {ECO:0000256|ARBA:ARBA00022827, ECO:0000256|RuleBase:RU003862};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630,
KW ECO:0000256|RuleBase:RU003862};
KW Methionine biosynthesis {ECO:0000256|ARBA:ARBA00023167};
KW NAD {ECO:0000256|ARBA:ARBA00023027};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|RuleBase:RU003862}.
SQ SEQUENCE 289 AA; 32816 MW; 2CB388B70D407809 CRC64;
MKKLPDIFKT KEKTFSFELF PPKTEEGYQK LLTTVEQLCR LKPDFISCTY GAGGGNRDKT
LDIVEHIQKK HNIISVAHLT CVLSTKEEIK NIITDIKNRG INNILALRGD PPKEQPDWQP
GPDNFKYSSE LTAFIRKLFG PHFGIGVAGF PEGHILCRDK DRDAQYLKLK IDAGADFVIT
QIFFDNTFYF EYIKRLKKLN VHARVIPGIL PITDYQSLLR FCALCGATVP QEVKRIFEPI
QNDKDATLKE GINFAVRQCQ ELLKNGAPGI HFYCLNKLSP TDAILTAIR
//
