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Database: UniProt
Entry: A0A1M5DRL5_9FLAO
LinkDB: A0A1M5DRL5_9FLAO
Original site: A0A1M5DRL5_9FLAO 
ID   A0A1M5DRL5_9FLAO        Unreviewed;       317 AA.
AC   A0A1M5DRL5;
DT   15-MAR-2017, integrated into UniProtKB/TrEMBL.
DT   15-MAR-2017, sequence version 1.
DT   24-JAN-2024, entry version 21.
DE   RecName: Full=Methylenetetrahydrofolate reductase {ECO:0000256|RuleBase:RU003862};
DE            EC=1.5.1.54 {ECO:0000256|RuleBase:RU003862};
GN   ORFNames=SAMN05443549_10141 {ECO:0000313|EMBL:SHF69556.1};
OS   Flavobacterium fluvii.
OC   Bacteria; Bacteroidota; Flavobacteriia; Flavobacteriales;
OC   Flavobacteriaceae; Flavobacterium.
OX   NCBI_TaxID=468056 {ECO:0000313|EMBL:SHF69556.1, ECO:0000313|Proteomes:UP000184516};
RN   [1] {ECO:0000313|Proteomes:UP000184516}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 19978 {ECO:0000313|Proteomes:UP000184516};
RA   Varghese N., Submissions S.;
RL   Submitted (NOV-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}.
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DR   EMBL; FQWB01000001; SHF69556.1; -; Genomic_DNA.
DR   RefSeq; WP_073367040.1; NZ_FQWB01000001.1.
DR   AlphaFoldDB; A0A1M5DRL5; -.
DR   STRING; 468056.SAMN05443549_10141; -.
DR   OrthoDB; 9812555at2; -.
DR   UniPathway; UPA00193; -.
DR   Proteomes; UP000184516; 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:InterPro.
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:UP000184516}.
SQ   SEQUENCE   317 AA;  35759 MW;  1F92F4F0D743ED39 CRC64;
     MKVTQHIENA KGKPLFSFEI VPPQKGTNIN DLYVNIDPLM EFKPPFIDVT TSREEYVYIE
     KDGLFDRRIT RMRPGTVGIC ASIQHKYGVD AIPHVLCGGF TKEETEYLLV DCQYLGIENL
     VALRGDPMKG EKYFEPTKGG NAYAVDLVKQ IKAMNAGQFL HDVLPMQNAP DFCVGVAGYP
     EKHIEAPSLE ADLKRLKEKV DAGADYIVTQ MFFDNQRYFK FVEAARAIGI TVPIIPGIKP
     VAVKRHLQLL PQVFWLDMPQ DLIHSIEQAK DNAAVRQIGV EFAVQQSKEL IEFGVPCVHY
     YSMGKSDNIY NIAKKVF
//
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