ID A0A2G5SW87_9PELO Unreviewed; 940 AA.
AC A0A2G5SW87;
DT 31-JAN-2018, integrated into UniProtKB/TrEMBL.
DT 31-JAN-2018, sequence version 1.
DT 27-MAR-2024, entry version 22.
DE RecName: Full=C-1-tetrahydrofolate synthase, cytoplasmic {ECO:0000256|ARBA:ARBA00017592};
DE EC=1.5.1.5 {ECO:0000256|ARBA:ARBA00012859};
DE EC=3.5.4.9 {ECO:0000256|ARBA:ARBA00012776};
DE EC=6.3.4.3 {ECO:0000256|ARBA:ARBA00012295};
GN Name=Cni-K07E3.4 {ECO:0000313|EMBL:PIC19394.1};
GN Synonyms=Cnig_chr_X.g24963 {ECO:0000313|EMBL:PIC19394.1};
GN ORFNames=B9Z55_024963 {ECO:0000313|EMBL:PIC19394.1};
OS Caenorhabditis nigoni.
OC Eukaryota; Metazoa; Ecdysozoa; Nematoda; Chromadorea; Rhabditida;
OC Rhabditina; Rhabditomorpha; Rhabditoidea; Rhabditidae; Peloderinae;
OC Caenorhabditis.
OX NCBI_TaxID=1611254 {ECO:0000313|EMBL:PIC19394.1, ECO:0000313|Proteomes:UP000230233};
RN [1] {ECO:0000313|Proteomes:UP000230233}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=JU1422 {ECO:0000313|Proteomes:UP000230233};
RA Yin D., Schwarz E.M., Thomas C.G., Felde R.L., Korf I.F., Cutter A.D.,
RA Schartner C.M., Ralston E.J., Meyer B.J., Haag E.S.;
RT "Rapid genome shrinkage in a self-fertile nematode reveals novel sperm
RT competition proteins.";
RL Submitted (OCT-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(6R)-5,10-methenyltetrahydrofolate + H2O = (6R)-10-
CC formyltetrahydrofolate + H(+); Xref=Rhea:RHEA:23700,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:57455,
CC ChEBI:CHEBI:195366; EC=3.5.4.9;
CC Evidence={ECO:0000256|ARBA:ARBA00036357};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(6S)-5,6,7,8-tetrahydrofolate + ATP + formate = (6R)-10-
CC formyltetrahydrofolate + ADP + phosphate; Xref=Rhea:RHEA:20221,
CC ChEBI:CHEBI:15740, ChEBI:CHEBI:30616, ChEBI:CHEBI:43474,
CC ChEBI:CHEBI:57453, ChEBI:CHEBI:195366, ChEBI:CHEBI:456216;
CC EC=6.3.4.3; Evidence={ECO:0000256|ARBA:ARBA00036012};
CC -!- PATHWAY: One-carbon metabolism; tetrahydrofolate interconversion.
CC {ECO:0000256|ARBA:ARBA00004777}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738}.
CC -!- SIMILARITY: In the C-terminal section; belongs to the
CC formate--tetrahydrofolate ligase family.
CC {ECO:0000256|ARBA:ARBA00006985}.
CC -!- SIMILARITY: In the N-terminal section; belongs to the tetrahydrofolate
CC dehydrogenase/cyclohydrolase family. {ECO:0000256|ARBA:ARBA00005559}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:PIC19394.1}.
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DR EMBL; PDUG01000006; PIC19394.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2G5SW87; -.
DR STRING; 1611254.A0A2G5SW87; -.
DR UniPathway; UPA00193; -.
DR Proteomes; UP000230233; Chromosome x.
DR GO; GO:0005524; F:ATP binding; IEA:InterPro.
DR GO; GO:0004329; F:formate-tetrahydrofolate ligase activity; IEA:UniProtKB-EC.
DR GO; GO:0004477; F:methenyltetrahydrofolate cyclohydrolase activity; IEA:UniProtKB-EC.
DR GO; GO:0004488; F:methylenetetrahydrofolate dehydrogenase (NADP+) activity; IEA:UniProtKB-EC.
DR GO; GO:0035999; P:tetrahydrofolate interconversion; IEA:UniProtKB-UniPathway.
DR CDD; cd00477; FTHFS; 1.
DR CDD; cd01080; NAD_bind_m-THF_DH_Cyclohyd; 1.
DR Gene3D; 3.10.410.10; Formyltetrahydrofolate synthetase, domain 3; 1.
DR Gene3D; 3.40.50.10860; Leucine Dehydrogenase, chain A, domain 1; 1.
DR Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 1.
DR Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 2.
DR HAMAP; MF_01543; FTHFS; 1.
DR HAMAP; MF_01576; THF_DHG_CYH; 1.
DR InterPro; IPR046346; Aminoacid_DH-like_N_sf.
DR InterPro; IPR000559; Formate_THF_ligase.
DR InterPro; IPR020628; Formate_THF_ligase_CS.
DR InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR InterPro; IPR027417; P-loop_NTPase.
DR InterPro; IPR000672; THF_DH/CycHdrlase.
DR InterPro; IPR020630; THF_DH/CycHdrlase_cat_dom.
DR InterPro; IPR020867; THF_DH/CycHdrlase_CS.
DR InterPro; IPR020631; THF_DH/CycHdrlase_NAD-bd_dom.
DR PANTHER; PTHR48099:SF5; C-1-TETRAHYDROFOLATE SYNTHASE, CYTOPLASMIC; 1.
DR PANTHER; PTHR48099; C-1-TETRAHYDROFOLATE SYNTHASE, CYTOPLASMIC-RELATED; 1.
DR Pfam; PF01268; FTHFS; 1.
DR Pfam; PF00763; THF_DHG_CYH; 1.
DR Pfam; PF02882; THF_DHG_CYH_C; 1.
DR PRINTS; PR00085; THFDHDRGNASE.
DR SUPFAM; SSF53223; Aminoacid dehydrogenase-like, N-terminal domain; 1.
DR SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 1.
DR SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
DR PROSITE; PS00721; FTHFS_1; 1.
DR PROSITE; PS00722; FTHFS_2; 1.
DR PROSITE; PS00767; THF_DHG_CYH_2; 1.
PE 3: Inferred from homology;
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801};
KW Multifunctional enzyme {ECO:0000256|ARBA:ARBA00023268};
KW NADP {ECO:0000256|ARBA:ARBA00022857};
KW One-carbon metabolism {ECO:0000256|ARBA:ARBA00022563};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002};
KW Reference proteome {ECO:0000313|Proteomes:UP000230233}.
FT DOMAIN 7..124
FT /note="Tetrahydrofolate dehydrogenase/cyclohydrolase
FT catalytic"
FT /evidence="ECO:0000259|Pfam:PF00763"
FT DOMAIN 128..293
FT /note="Tetrahydrofolate dehydrogenase/cyclohydrolase
FT NAD(P)-binding"
FT /evidence="ECO:0000259|Pfam:PF02882"
SQ SEQUENCE 940 AA; 101940 MW; 54DBC68BF783488F CRC64;
MVAEIVSGLE YSKKVLTEVG EAIAKTREHH PHFESVLAIV QVGNRSDSNV YINAKLKKAK
EIGANGKLIK LPDTITQGDL KREIMALNHD NNVDGIIVQL PLDCKHDIDA DYIIDLIDPL
KDVDGLTRIN AGRLARGELQ RTIFPCTPYG CLYLVQQATG NPNFVSGKEV VVLGRSKIVG
SPAAALFLWH HGTVTICHSK TPNIKEKCLR ADILIVAIGR KHYVKADWIK PGAFVIDCGI
NVGDDPTSRK IYGDVDTEAA KEVAGYLTPV PGGVGPMTVA MLIRNTYEQA KRRRLPGKES
NSTWNVEYLK PTLLNPVPSD IAISRSQLPK DIEKVAGEVG IHPDELDLYG RKKAKVSLDI
LDRLTEVKNG KYVVVAGITP TPLGEGKSTT TIGLVQALGA HLHKNVFACV RQPSQGPTFG
IKGGAAGGGY SQVIPMEEFN LHLTGDIHAI TAANNLLAAA IDARMFHEST QATEALFNRL
APKNKQGVRP LSEIQLRRLD RLGIPRVNDA EHLSEEQRVS FARLNIDPAT ITWNRVMDTN
DRFLRKIEIG LGPNEKGHTR TTQFDITVAS ELMAILALTT SLADMQKRIA RIVIGSDKTG
NPVTADDIGV TDAMTVLMRD TVRPNLMQTL EGTPVFVHAG PFANIAHGQS SILADKVALK
LVGQDGFVIT EAGFGADIGM EKFFNIKCRY SGLQPSAVVL VATVRALKMH GGGPSVVAGA
PLKHEYLDEN IPLVEGGCDS NLRKQIENAN KFGIPVVVCV NKFATDTDKE LELVCSKAKS
YGAFDAVVSE HWSQGGAGAV ALANSLVKAT EGPAKEFKFL YDLELSLEEK IATIAREIYG
ADGIELSDEA KEKIERYTRQ GFSKLPICMA KTHLSLSSDP TKKGAPTGFT LPIRDVRASV
GAGFIYPLVG EMTTMPGLNT RPCFYDITID PVTEIIDGLF
//
