ID I6Z779_MELRP Unreviewed; 326 AA.
AC I6Z779;
DT 03-OCT-2012, integrated into UniProtKB/TrEMBL.
DT 03-OCT-2012, sequence version 1.
DT 27-MAR-2024, entry version 44.
DE RecName: Full=Methylenetetrahydrofolate reductase {ECO:0000256|RuleBase:RU003862};
GN OrderedLocusNames=MROS_1781 {ECO:0000313|EMBL:AFN75015.1};
OS Melioribacter roseus (strain JCM 17771 / P3M-2).
OC Bacteria; Ignavibacteriota; Ignavibacteria; Ignavibacteriales;
OC Melioribacteraceae; Melioribacter.
OX NCBI_TaxID=1191523 {ECO:0000313|EMBL:AFN75015.1, ECO:0000313|Proteomes:UP000009011};
RN [1] {ECO:0000313|EMBL:AFN75015.1, ECO:0000313|Proteomes:UP000009011}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=JCM 17771 / P3M-2 {ECO:0000313|Proteomes:UP000009011};
RX PubMed=23301019; DOI=10.1371/journal.pone.0053047;
RA Kadnikov V.V., Mardanov A.V., Podosokorskaya O.A., Gavrilov S.N.,
RA Kublanov I.V., Beletsky A.V., Bonch-Osmolovskaya E.A., Ravin N.V.;
RT "Genomic analysis of Melioribacter roseus, facultatively anaerobic
RT organotrophic bacterium representing a novel deep lineage within
RT Bacteriodetes/Chlorobi group.";
RL PLoS ONE 8:E53047-E53047(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: 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; CP003557; AFN75015.1; -; Genomic_DNA.
DR AlphaFoldDB; I6Z779; -.
DR STRING; 1191523.MROS_1781; -.
DR KEGG; mro:MROS_1781; -.
DR PATRIC; fig|1191523.3.peg.1889; -.
DR eggNOG; COG0685; Bacteria.
DR HOGENOM; CLU_025841_0_2_10; -.
DR UniPathway; UPA00193; -.
DR Proteomes; UP000009011; Chromosome.
DR GO; GO:0106312; F:methylenetetrahydrofolate reductase NADH activity; IEA:RHEA.
DR GO; GO:0006555; P:methionine metabolic 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 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 FAD {ECO:0000256|ARBA:ARBA00022827, ECO:0000256|RuleBase:RU003862};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630,
KW ECO:0000256|RuleBase:RU003862};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|RuleBase:RU003862};
KW Reference proteome {ECO:0000313|Proteomes:UP000009011}.
SQ SEQUENCE 326 AA; 37271 MW; 2EB53EFCEFB8D835 CRC64;
MLKQINRDKM KVIEHLEKSN DTLISFEIIP PKRGGDIKEL LNVLDDIVKY NPPFIDITSH
PAEVVYEETP GGEIKMKVKR KRPGTLGICA LIQNKYNIDA VPHVLCTGFT KEETEDFLIE
LHYLQIDNVL AIRGDDNGFR KPLKFGRSVN EYAVDLIKQI NDLNKGKYLE DGLLDAEPMD
FCIGTSGYPE KHFEAPNLIS DIKYTKAKID AGASYIVTQM FYDNKYYFDY VKLCRQEGID
APIIPGLKII TSKKHAYTLP KNFFIDIPTE LADELEAAKP EHALDIGINW AYKQVEELLN
NNVPAIHFYI MQNSRPIKLL MKKLGY
//
