ID A0A1K0FIR2_9ACTN Unreviewed; 308 AA.
AC A0A1K0FIR2;
DT 15-FEB-2017, integrated into UniProtKB/TrEMBL.
DT 15-FEB-2017, sequence version 1.
DT 27-MAR-2024, entry version 27.
DE RecName: Full=Methylenetetrahydrofolate reductase {ECO:0000256|RuleBase:RU003862};
DE EC=1.5.1.54 {ECO:0000256|RuleBase:RU003862};
GN ORFNames=BG844_19110 {ECO:0000313|EMBL:OJF12725.1};
OS Couchioplanes caeruleus subsp. caeruleus.
OC Bacteria; Actinomycetota; Actinomycetes; Micromonosporales;
OC Micromonosporaceae; Couchioplanes.
OX NCBI_TaxID=56427 {ECO:0000313|EMBL:OJF12725.1, ECO:0000313|Proteomes:UP000182486};
RN [1] {ECO:0000313|EMBL:OJF12725.1, ECO:0000313|Proteomes:UP000182486}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 43634 {ECO:0000313|EMBL:OJF12725.1,
RC ECO:0000313|Proteomes:UP000182486};
RA Sheehan J., Caffrey P.;
RT "Couchioplanes caeruleus draft genome sequence.";
RL Submitted (SEP-2016) to the EMBL/GenBank/DDBJ databases.
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:OJF12725.1}.
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DR EMBL; MEIA01000201; OJF12725.1; -; Genomic_DNA.
DR RefSeq; WP_071806697.1; NZ_MEIA01000201.1.
DR AlphaFoldDB; A0A1K0FIR2; -.
DR UniPathway; UPA00193; -.
DR Proteomes; UP000182486; 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};
KW Reference proteome {ECO:0000313|Proteomes:UP000182486}.
SQ SEQUENCE 308 AA; 33588 MW; 68947E94A3E6AC64 CRC64;
MSLGLPSRLP TSPAIGELIR RPTPTFSFEF MPPKTPEGEQ LLWRTIRELE PLRPDFVSIT
YGAGGSTRDT TVDVTERVAS ETTLLAMAHL TAVGHSIAEL RNVIGRLAGA GIRNVLAVRG
DPPGDPNGEW VRHPEGVLYA EDLVRLLREA GNFSVGVAAF PYKHPRSPDI DSDTRNFIRK
CRAGADFAIT QMFFEADEYL RLRDRVAAAG CDTPIVPGVM PVLRMATIAR SAQLSGAPFP
PALLKRFERI ADDEAGVRRL GIDLCSEMCR RLLDEGVPGI HFITMNRSPA TREVWQHLTG
AAAAPAAA
//
