ID C7NEN8_LEPBD Unreviewed; 291 AA.
AC C7NEN8;
DT 13-OCT-2009, integrated into UniProtKB/TrEMBL.
DT 13-OCT-2009, sequence version 1.
DT 27-MAR-2024, entry version 67.
DE RecName: Full=Methylenetetrahydrofolate reductase {ECO:0000256|RuleBase:RU003862};
DE EC=1.5.1.54 {ECO:0000256|RuleBase:RU003862};
GN OrderedLocusNames=Lebu_0488 {ECO:0000313|EMBL:ACV38399.1};
OS Leptotrichia buccalis (strain ATCC 14201 / DSM 1135 / JCM 12969 / NCTC
OS 10249 / C-1013-b).
OC Bacteria; Fusobacteriota; Fusobacteriia; Fusobacteriales; Leptotrichiaceae;
OC Leptotrichia.
OX NCBI_TaxID=523794 {ECO:0000313|EMBL:ACV38399.1, ECO:0000313|Proteomes:UP000001910};
RN [1] {ECO:0000313|EMBL:ACV38399.1, ECO:0000313|Proteomes:UP000001910}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 14201 / DSM 1135 / JCM 12969 / NCTC 10249 / C-1013-b
RC {ECO:0000313|Proteomes:UP000001910};
RX PubMed=21304648; DOI=10.4056/sigs.1854;
RA Ivanova N., Gronow S., Lapidus A., Copeland A., Glavina Del Rio T.,
RA Nolan M., Lucas S., Chen F., Tice H., Cheng J.F., Saunders E., Bruce D.,
RA Goodwin L., Brettin T., Detter J.C., Han C., Pitluck S., Mikhailova N.,
RA Pati A., Mavrommatis K., Chen A., Palaniappan K., Land M., Hauser L.,
RA Chang Y.J., Jeffries C.D., Chain P., Rohde C., Goker M., Bristow J.,
RA Eisen J.A., Markowitz V., Hugenholtz P., Kyrpides N.C., Klenk H.P.;
RT "Complete genome sequence of Leptotrichia buccalis type strain (C-1013-
RT b).";
RL Stand. Genomic Sci. 1:126-132(2009).
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; CP001685; ACV38399.1; -; Genomic_DNA.
DR RefSeq; WP_012806582.1; NC_013192.1.
DR AlphaFoldDB; C7NEN8; -.
DR STRING; 523794.Lebu_0488; -.
DR KEGG; lba:Lebu_0488; -.
DR eggNOG; COG0685; Bacteria.
DR HOGENOM; CLU_025841_0_2_0; -.
DR OrthoDB; 9812555at2; -.
DR UniPathway; UPA00193; -.
DR Proteomes; UP000001910; 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}.
SQ SEQUENCE 291 AA; 33123 MW; E9EDC60B6C10AA0B CRC64;
MKIKDLFEKK ERLISFEIFP PNKNFSEEKL KNVTAELVEY KPDFISVTYG AGGKTKGGTI
EMASHIKNNL KTEVLAHLTC VGSKKSEIHD YLQEAKSKNI KNILALRGDV PQGETEEIYD
KGDYKYASEL ISDLRKNSEF NDFSIGGAFY PETHYENNDL VDLFHLKNKV EAGTDFLASQ
MFFDNDVFVK FKEQAEKLDI KVPLIAGIMP VTNAKQIKRI IELSKCSVPE KLDKLLEKYG
DNPESMKKAG IMYASEQIIE LLAYGIKGIH IYTMNKPEIA KEIMKNIEFA R
//