ID A1WXM6_HALHL Unreviewed; 304 AA.
AC A1WXM6;
DT 06-FEB-2007, integrated into UniProtKB/TrEMBL.
DT 06-FEB-2007, sequence version 1.
DT 27-MAR-2024, entry version 96.
DE RecName: Full=Methylenetetrahydrofolate reductase {ECO:0000256|RuleBase:RU003862};
DE EC=1.5.1.54 {ECO:0000256|RuleBase:RU003862};
GN OrderedLocusNames=Hhal_1674 {ECO:0000313|EMBL:ABM62438.1};
OS Halorhodospira halophila (strain DSM 244 / SL1) (Ectothiorhodospira
OS halophila (strain DSM 244 / SL1)).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Chromatiales;
OC Ectothiorhodospiraceae; Halorhodospira.
OX NCBI_TaxID=349124 {ECO:0000313|EMBL:ABM62438.1, ECO:0000313|Proteomes:UP000000647};
RN [1] {ECO:0000313|Proteomes:UP000000647}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 244 / SL1 {ECO:0000313|Proteomes:UP000000647};
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA Saunders E., Brettin T., Bruce D., Han C., Tapia R., Schmutz J.,
RA Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Hoff W.,
RA Richardson P.;
RT "Complete sequence of Halorhodospira halophila SL1.";
RL Submitted (DEC-2006) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:ABM62438.1, ECO:0000313|Proteomes:UP000000647}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 244 / SL1 {ECO:0000313|Proteomes:UP000000647};
RX PubMed=23991253; DOI=10.4056/sigs.3677284;
RA Challacombe J.F., Majid S., Deole R., Brettin T.S., Bruce D., Delano S.F.,
RA Detter J.C., Gleasner C.D., Han C.S., Misra M., Reitenga K.G.,
RA Mikhailova N., Woyke T., Pitluck S., Nolan M., Land M.L., Saunders E.,
RA Tapia R., Lapidus A., Ivanova N., Hoff W.D.;
RT "Complete genome sequence of Halorhodospira halophila SL1.";
RL Stand. Genomic Sci. 8:206-214(2013).
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; CP000544; ABM62438.1; -; Genomic_DNA.
DR RefSeq; WP_011814460.1; NC_008789.1.
DR AlphaFoldDB; A1WXM6; -.
DR STRING; 349124.Hhal_1674; -.
DR KEGG; hha:Hhal_1674; -.
DR eggNOG; COG0685; Bacteria.
DR HOGENOM; CLU_025841_0_0_6; -.
DR OrthoDB; 9812555at2; -.
DR UniPathway; UPA00193; -.
DR Proteomes; UP000000647; Chromosome.
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:UP000000647}.
SQ SEQUENCE 304 AA; 34268 MW; 3A02BCCFB7759385 CRC64;
MESQKKHPRV FSFEFFPPKT DEGAENLKGT RERLERLNPA YFSVTFGAGG STQDRTFETV
IDIQRNSTAD AAPHLSCIDA SRDRLKQMIL DYKEQGVKYI VALRGDRPSG SGSMGQGELS
YANELVELIR EVTGDHFYIE VGAYPEFHPE APDALTDIEN FVRKAKAGAD SAITQFFYNA
DCYYRFVEDC EKRGVDIPIV PGIMPLMNFE QQARFAAACK ADMPRWLAQR MEAWKDDPQS
RMEYGIDVVT RLCEDLLDNG APGIHFYALN KAPVVERIWH NLGLSEQTGG EVRKPDEVEV
PAQP
//