ID Q60CG9_METCA Unreviewed; 289 AA.
AC Q60CG9;
DT 23-NOV-2004, integrated into UniProtKB/TrEMBL.
DT 23-NOV-2004, sequence version 1.
DT 27-MAR-2024, entry version 113.
DE RecName: Full=Methylenetetrahydrofolate reductase {ECO:0000256|RuleBase:RU003862};
DE EC=1.5.1.54 {ECO:0000256|RuleBase:RU003862};
GN Name=metF {ECO:0000313|EMBL:AAU90632.1};
GN OrderedLocusNames=MCA0137 {ECO:0000313|EMBL:AAU90632.1};
OS Methylococcus capsulatus (strain ATCC 33009 / NCIMB 11132 / Bath).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Methylococcales;
OC Methylococcaceae; Methylococcus.
OX NCBI_TaxID=243233 {ECO:0000313|EMBL:AAU90632.1, ECO:0000313|Proteomes:UP000006821};
RN [1] {ECO:0000313|EMBL:AAU90632.1, ECO:0000313|Proteomes:UP000006821}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 33009 / NCIMB 11132 / Bath
RC {ECO:0000313|Proteomes:UP000006821};
RX PubMed=15383840; DOI=10.1371/journal.pbio.0020303;
RA Ward N.L., Larsen O., Sakwa J., Bruseth L., Khouri H.M., Durkin A.S.,
RA Dimitrov G., Jiang L., Scanlan D., Kang K.H., Lewis M.R., Nelson K.E.,
RA Methe B.A., Wu M., Heidelberg J.F., Paulsen I.T., Fouts D.E., Ravel J.,
RA Tettelin H., Ren Q., Read T.D., DeBoy R.T., Seshadri R., Salzberg S.L.,
RA Jensen H.B., Birkeland N.K., Nelson W.C., Dodson R.J., Grindhaug S.H.,
RA Holt I.E., Eidhammer I., Jonasen I., Vanaken S., Utterback T.R.,
RA Feldblyum T.V., Fraser C.M., Lillehaug J.R., Eisen J.A.;
RT "Genomic insights into methanotrophy: the complete genome sequence of
RT Methylococcus capsulatus (Bath).";
RL PLoS Biol. 2:1616-1628(2004).
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; AE017282; AAU90632.1; -; Genomic_DNA.
DR AlphaFoldDB; Q60CG9; -.
DR STRING; 243233.MCA0137; -.
DR KEGG; mca:MCA0137; -.
DR eggNOG; COG0685; Bacteria.
DR HOGENOM; CLU_025841_0_0_6; -.
DR UniPathway; UPA00193; -.
DR Proteomes; UP000006821; 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:UP000006821}.
SQ SEQUENCE 289 AA; 32613 MW; 331B80019AFAF57C CRC64;
MGSAMKTQLK YPREFSFEFF PPKTEEATEN LRRTLTKLAP LKPRFCSVTF GAGGSTREKT
FETALEIQQT TGIECAPHLS CIASTRRSIR EILEAYRSHG IRHIVALRGD MPSGMLSAGE
FRHANELVEF IRSETGNHFH IEVACYPEVH PQAASAESDL KNFKRKVDAG ADSAITQYFY
NPEAYFRFVD DCERLGIDIP IVPGIMPITN HSQLVRFSDL CGADIPRWIR KRLEAFGDDR
KAIRTFGLEV VTELCRRLLE QGAPGLHFYT LNRAEACLEV WKALGLEPA
//
