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UniProtKB/Swiss-Prot entry P11586


[Entry info] [Name and origin] [References] [Comments] [Cross-references] [Keywords] [Features] [Sequence] [Tools]

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Entry information
Entry name C1TC_HUMAN
Primary accession number P11586
Secondary accession numbers Q86VC9 Q9BVP5
Integrated into Swiss-Prot on October 1, 1989
Sequence was last modified on January 23, 2007 (Sequence version 3)
Annotations were last modified on    November 25, 2008 (Entry version 107)
Name and origin of the protein
Protein name C-1-tetrahydrofolate synthase, cytoplasmic
Synonym C1-THF synthase
Includes Methylenetetrahydrofolate dehydrogenase
     (EC 1.5.1.5)
Methenyltetrahydrofolate cyclohydrolase
     (EC 3.5.4.9)
Formyltetrahydrofolate synthetase
     (EC 6.3.4.3)
Gene name
Name: MTHFD1
Synonyms: MTHFC, MTHFD
From
Homo sapiens (Human) [TaxID: 9606] 
Taxonomy Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo.
Protein existence 1: Evidence at protein level;
References
[1]
NUCLEOTIDE SEQUENCE [MRNA], AND PROTEIN SEQUENCE OF 2-31.
TISSUE=Liver;
PubMed=3053686 [NCBI, ExPASy, EBI, Israel, Japan]
Hum D.W., Bell A.W., Rozen R., Mackenzie R.E.;
"Primary structure of a human trifunctional enzyme. Isolation of a cDNA encoding methylenetetrahydrofolate dehydrogenase-methenyltetrahydrofolate cyclohydrolase-formyltetrahydrofolate synthetase.";
J. Biol. Chem. 263:15946-15950(1988).
[2]
NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA], AND VARIANTS GLN-653 AND PHE-769.
TISSUE=Brain, Eye, and Lymph;
DOI=10.1101/gr.2596504; PubMed=15489334 [NCBI, ExPASy, EBI, Israel, Japan]
The MGC Project Team;
"The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC).";
Genome Res. 14:2121-2127(2004).
[3]
PROTEIN SEQUENCE OF 2-17.
TISSUE=Platelet;
DOI=10.1038/nbt810; PubMed=12665801 [NCBI, ExPASy, EBI, Israel, Japan]
Gevaert K., Goethals M., Martens L., Van Damme J., Staes A., Thomas G.R., Vandekerckhove J.;
"Exploring proteomes and analyzing protein processing by mass spectrometric identification of sorted N-terminal peptides.";
Nat. Biotechnol. 21:566-569(2003).
[4]
X-RAY CRYSTALLOGRAPHY (1.5 ANGSTROMS) OF 1-302.
DOI=10.1016/S0969-2126(98)00019-7; PubMed=9519408 [NCBI, ExPASy, EBI, Israel, Japan]
Allaire M., Li Y., Mackenzie R.E., Cygler M.;
"The 3-D structure of a folate-dependent dehydrogenase/cyclohydrolase bifunctional enzyme at 1.5-A resolution.";
Structure 6:173-182(1998).
[5]
X-RAY CRYSTALLOGRAPHY (2.1 ANGSTROMS) OF 1-306 IN COMPLEX WITH NADP AND SUBSTRATE ANALOGS, SUBUNIT, AND MUTAGENESIS OF SER-49; TYR-52; LYS-56 AND CYS-147.
DOI=10.1021/bi992734y; PubMed=10828945 [NCBI, ExPASy, EBI, Israel, Japan]
Schmidt A., Wu H., MacKenzie R.E., Chen V.J., Bewly J.R., Ray J.E., Toth J.E., Cygler M.;
"Structures of three inhibitor complexes provide insight into the reaction mechanism of the human methylenetetrahydrofolate dehydrogenase/cyclohydrolase.";
Biochemistry 39:6325-6335(2000).
[6]
ASSOCIATION OF VARIANT HIS-293 WITH SUSCEPTIBILITY TO FOLATE-SENSITIVE NTD, AND VARIANT GLN-653.
PubMed=9611072 [NCBI, ExPASy, EBI, Israel, Japan]
Hol F.A., van der Put N.M.J., Geurds M.P.A., Heil S.G., Trijbels F.J.M., Hamel B.C.J., Mariman E.C.M., Blom H.J.;
"Molecular genetic analysis of the gene encoding the trifunctional enzyme MTHFD (methylenetetrahydrofolate-dehydrogenase, methenyltetrahydrofolate-cyclohydrolase, formyltetrahydrofolate synthetase) in patients with neural tube defects.";
Clin. Genet. 53:119-125(1998).
[7]
ASSOCIATION OF VARIANT GLN-653 WITH SUSCEPTIBILITY TO FOLATE-SENSITIVE NTD, AND VARIANT LYS-134.
DOI=10.1086/344213; PubMed=12384833 [NCBI, ExPASy, EBI, Israel, Japan]
Brody L.C., Conley M., Cox C., Kirke P.N., McKeever M.P., Mills J.L., Molloy A.M., O'Leary V.B., Parle-McDermott A., Scott J.M., Swanson D.A.;
"A polymorphism, R653Q, in the trifunctional enzyme methylenetetrahydrofolate dehydrogenase/methenyltetrahydrofolate cyclohydrolase/formyltetrahydrofolate synthetase is a maternal genetic risk factor for neural tube defects: report of the Birth Defects Research Group.";
Am. J. Hum. Genet. 71:1207-1215(2002).
[8]
ASSOCIATION OF VARIANT GLN-653 WITH SUSCEPTIBILITY TO FOLATE-SENSITIVE NTD, AND VARIANT LYS-134.
DOI=10.1038/sj.ejhg.5201603; PubMed=16552426 [NCBI, ExPASy, EBI, Israel, Japan]
Parle-McDermott A., Kirke P.N., Mills J.L., Molloy A.M., Cox C., O'Leary V.B., Pangilinan F., Conley M., Cleary L., Brody L.C., Scott J.M.;
"Confirmation of the R653Q polymorphism of the trifunctional C1-synthase enzyme as a maternal risk for neural tube defects in the Irish population.";
Eur. J. Hum. Genet. 14:768-772(2006).
Comments
Copyright
Copyrighted by the UniProt Consortium, see http://www.uniprot.org/terms. Distributed under the Creative Commons Attribution-NoDerivs License.
Cross-references
Sequence databases
EMBL
J04031; AAA59574.1; -; mRNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
BC001014; AAH01014.2; -; mRNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
BC009806; AAH09806.1; -; mRNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
BC050420; AAH50420.1; -; mRNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
PIR A31903; A31903.
RefSeq NP_005947.2; -.
UniGene Hs.652308
3D structure databases
PDB
1A4I; X-ray; 1.50 A; A/B=1-301.[ExPASy / RCSB / EBI]
1DIA; X-ray; 2.20 A; A/B=1-306.[ExPASy / RCSB / EBI]
1DIB; X-ray; 2.70 A; A/B=1-306.[ExPASy / RCSB / EBI]
1DIG; X-ray; 2.20 A; A/B=1-306.[ExPASy / RCSB / EBI]
Detailed list of linked structures.
PDBsum 1A4I; -.
1DIA; -.
1DIB; -.
1DIG; -.
ModBase P11586.
Protein-protein interaction databases
IntAct P11586; -.
PTM databases
PhosphoSite P11586; -.
Enzyme and pathway databases
BioCyc MetaCyc:MON-11654; -.
Reactome REACT_11127; Metabolism of vitamins and cofactors.
2D gel databases
SWISS-2DPAGE P11586; -.
REPRODUCTION-2DPAGE IPI00218342; -.
Organism-specific databases
H-InvDB HIX0011731; -.
HGNC HGNC:7432; MTHFD1.
GenAtlas MTHFD1.
HPA HPA000704; -.
HPA001290; -.
HPA015006; -.
MIM 172460; gene+phenotype. [NCBI / EBI]
601634; phenotype. [NCBI / EBI]
Orphanet 3388; Neural tube defects.
PharmGKB PA31236; -.
GeneCards P11586.
Gene expression databases
ArrayExpress P11586; -.
CleanEx HS_MTHFD1; -.
GermOnline ENSG00000100714; Homo sapiens.
Ontologies
GO
GO:0005739; Cellular component: mitochondrion (traceable author statement from ProtInc).
GO:0005524; Molecular function: ATP binding (inferred from electronic annotation from InterPro).
GO:0004329; Molecular function: formate-tetrahydrofolate ligase activity (traceable author statement from ProtInc).
GO:0004477; Molecular function: methenyltetrahydrofolate cyclohydrolase activity (traceable author statement from ProtInc).
GO:0004488; Molecular function: methylenetetrahydrofolate dehydrogenase (NADP+) activity (inferred from electronic annotation from EC).
GO:0005515; Molecular function: protein binding (inferred from physical interaction from IntAct).
GO:0009396; Biological process: folic acid and derivative biosynthetic process (inferred from electronic annotation from InterPro).
GO:0000105; Biological process: histidine biosynthetic process (inferred from electronic annotation from UniProtKB-KW).
GO:0009086; Biological process: methionine biosynthetic process (inferred from electronic annotation from UniProtKB-KW).
GO:0006730; Biological process: one-carbon compound metabolic process (inferred from electronic annotation from UniProtKB-KW).
GO:0055114; Biological process: oxidation reduction (inferred from electronic annotation from UniProtKB-KW).
GO:0006164; Biological process: purine nucleotide biosynthetic process (inferred from electronic annotation from UniProtKB-KW).
QuickGo view.
Family and domain databases
InterPro IPR000559; Fmtethyd_synth.
IPR016040; NAD(P)-bd.
IPR000672; THF_DHase/CycOHase.
Graphical view of domain structure.
Gene3D G3DSA:3.40.50.720; NAD(P)-bd; 1.
Pfam PF01268; FTHFS; 1.
PF00763; THF_DHG_CYH; 1.
PF02882; THF_DHG_CYH_C; 1.
Pfam graphical view of domain structure.
PRINTS PR00085; THFDHDRGNASE.
ProDom PD002300; THFDhg/Cyc_hydro; 1.
[Domain structure / List of seq. sharing at least 1 domain]
PROSITE PS00721; FTHFS_1; 1.
PS00722; FTHFS_2; 1.
PS00766; THF_DHG_CYH_1; 1.
PS00767; THF_DHG_CYH_2; 1.
ProtoNet P11586.
Genome annotation databases
Ensembl ENSG00000100714; Homo sapiens. [Contig view]
GeneID 4522; -.
KEGG hsa:4522; -.
Phylogenomic databases
HOGENOM P11586; -.
HOVERGEN P11586; -.
Other
DrugBank DB00157; NADH.
DB00116; Tetrahydrofolic acid.
LinkHub P11586; -.
NextBio 17468; -.
SOURCE MTHFD1; Homo sapiens.
UniRef View cluster of proteins with at least 50% / 90% / 100% identity.
Keywords
3D-structure; Amino-acid biosynthesis; ATP-binding; Cytoplasm; Direct protein sequencing; Disease mutation; Histidine biosynthesis; Hydrolase; Ligase; Methionine biosynthesis; Multifunctional enzyme; NADP; Nucleotide-binding; One-carbon metabolism; Oxidoreductase; Phosphoprotein; Polymorphism; Purine biosynthesis.
Features
SEVIEWER logo Feature table viewer FT aligner logo Feature aligner
KeyFrom   To Length Description FTId
INIT_MET   1     1        Removed. 
CHAIN   2   935  934     C-1-tetrahydrofolate synthase, cytoplasmic. PRO_0000199321
NP_BIND   172   174  3     NADP. 
NP_BIND   380   387  8     ATP (By similarity). 
REGION   2   305  304     Methylenetetrahydrofolate dehydrogenase and cyclohydrolase. 
REGION   52    56  5     Substrate binding. 
REGION   99   101  3     Substrate binding. 
REGION   272   276  5     Substrate binding. 
REGION   306   935  630     Formyltetrahydrofolate synthetase. 
BINDING   197   197        NADP. 
MOD_RES   786   786        Phosphothreonine (By similarity). 
VARIANT   134   134  1     R -> K (in dbSNP:rs1950902 [NCBI]). VAR_016232 
VARIANT   293   293  1     R -> H (associated with susceptibility to folate-sensitive NTD; dbSNP:rs34181110 [NCBI]). VAR_010241 
VARIANT   653   653  1     R -> Q (may be associated with susceptibility to folate-sensitive NTD; dbSNP:rs2236225 [NCBI]). VAR_010251 
VARIANT   761   761  1     T -> M (in dbSNP:rs10137921 [NCBI]). VAR_032789 
VARIANT   769   769  1     L -> F (in dbSNP:rs17857382 [NCBI]). VAR_032790 
MUTAGEN   49    49        S->A: No effect on dehydrogenase and cyclohydrolase activity. Strong increase of Km for NADP. 
MUTAGEN   49    49        S->Q: Reduces dehydrogenase by 75% and cyclohydrolase activity by 99%. No effect on Km for NADP and for 5,10-methenyltetrahydrofolate. 
MUTAGEN   52    52        Y->A,S: Reduces dehydrogenase activity by 99%. Reduces cyclohydrolase activity by 70%. No effect on Km for NADP and for 5,10-methenyltetrahydrofolate. 
MUTAGEN   52    52        Y->F: Slightly reduces dehydrogenase and cyclohydrolase activity. Increase of Km for NADP and for 5,10-methenyltetrahydrofolate. 
MUTAGEN   56    56        K->A,I,S,T: Decreases dehydrogenase activity over 90%. Loss of cyclohydrolase activity. 
MUTAGEN   56    56        K->E,M,Q: Moderate decrease of dehydrogenase activity. Loss of cyclohydrolase activity. Strong increase of Km for NADP. Decrease of Km for 5,10-methenyltetrahydrofolate. 
MUTAGEN   56    56        K->R: Reduces dehydrogenase and cyclohydrolase activity by 99%. No effect on Km for NADP and for 5,10-methenyltetrahydrofolate. 
MUTAGEN   147   147        C->Q: Reduces dehydrogenase activity by 50% and cyclohydrolase activity by 87%. 
HELIX   9    30  22      
STRAND   37    44  8      
HELIX   47    63  17      
STRAND   66    72  7      
HELIX   78    90  13      
STRAND   96    99  4      
HELIX   111   116  6      
HELIX   120   122  3      
HELIX   129   136  8      
HELIX   147   157  11      
TURN   158   160  3      
STRAND   167   171  5      
TURN   175   177  3      
HELIX   178   187  10      
STRAND   191   195  5      
HELIX   202   206  5      
STRAND   210   214  5      
HELIX   224   226  3      
STRAND   232   235  4      
HELIX   258   261  4      
TURN   262   264  3      
STRAND   266   268  3      
STRAND   271   274  4      
HELIX   275   295  21      
Sequence information
Length: 935 AA [This is the length of the unprocessed precursor] Molecular weight: 101559 Da [This is the MW of the unprocessed precursor] CRC64: 29AE1C04B4922885 [This is a checksum on the sequence]
        10         20         30         40         50         60 
MAPAEILNGK EISAQIRARL KNQVTQLKEQ VPGFTPRLAI LQVGNRDDSN LYINVKLKAA 

        70         80         90        100        110        120 
EEIGIKATHI KLPRTTTESE VMKYITSLNE DSTVHGFLVQ LPLDSENSIN TEEVINAIAP 

       130        140        150        160        170        180 
EKDVDGLTSI NAGRLARGDL NDCFIPCTPK GCLELIKETG VPIAGRHAVV VGRSKIVGAP 

       190        200        210        220        230        240 
MHDLLLWNNA TVTTCHSKTA HLDEEVNKGD ILVVATGQPE MVKGEWIKPG AIVIDCGINY 

       250        260        270        280        290        300 
VPDDKKPNGR KVVGDVAYDE AKERASFITP VPGGVGPMTV AMLMQSTVES AKRFLEKFKP 

       310        320        330        340        350        360 
GKWMIQYNNL NLKTPVPSDI DISRSCKPKP IGKLAREIGL LSEEVELYGE TKAKVLLSAL 

       370        380        390        400        410        420 
ERLKHRPDGK YVVVTGITPT PLGEGKSTTT IGLVQALGAH LYQNVFACVR QPSQGPTFGI 

       430        440        450        460        470        480 
KGGAAGGGYS QVIPMEEFNL HLTGDIHAIT AANNLVAAAI DARIFHELTQ TDKALFNRLV 

       490        500        510        520        530        540 
PSVNGVRRFS DIQIRRLKRL GIEKTDPTTL TDEEINRFAR LDIDPETITW QRVLDTNDRF 

       550        560        570        580        590        600 
LRKITIGQAP TEKGHTRTAQ FDISVASEIM AVLALTTSLE DMRERLGKMV VASSKKGEPV 

       610        620        630        640        650        660 
SAEDLGVSGA LTVLMKDAIK PNLMQTLEGT PVFVHAGPFA NIAHGNSSII ADRIALKLVG 

       670        680        690        700        710        720 
PEGFVVTEAG FGADIGMEKF FNIKCRYSGL CPHVVVLVAT VRALKMHGGG PTVTAGLPLP 

       730        740        750        760        770        780 
KAYIQENLEL VEKGFSNLKK QIENARMFGI PVVVAVNAFK TDTESELDLI SRLSREHGAF 

       790        800        810        820        830        840 
DAVKCTHWAE GGKGALALAQ AVQRAAQAPS SFQLLYDLKL PVEDKIRIIA QKIYGADDIE 

       850        860        870        880        890        900 
LLPEAQHKAE VYTKQGFGNL PICMAKTHLS LSHNPEQKGV PTGFILPIRD IRASVGAGFL 

       910        920        930 
YPLVGTMSTM PGLPTRPCFY DIDLDPETEQ VNGLF 

P11586 in FASTA format

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