ID   FTHS_CLOBM              Reviewed;         557 AA.
AC   B1KTC6;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   29-APR-2008, sequence version 1.
DT   02-SEP-2026, entry version 82.
DE   RecName: Full=Formate--tetrahydrofolate ligase {ECO:0000255|HAMAP-Rule:MF_01543};
DE            EC=6.3.4.3 {ECO:0000255|HAMAP-Rule:MF_01543};
DE   AltName: Full=Formyltetrahydrofolate synthetase {ECO:0000255|HAMAP-Rule:MF_01543};
DE            Short=FHS {ECO:0000255|HAMAP-Rule:MF_01543};
DE            Short=FTHFS {ECO:0000255|HAMAP-Rule:MF_01543};
GN   Name=fhs {ECO:0000255|HAMAP-Rule:MF_01543};
GN   OrderedLocusNames=CLK_2988;
OS   Clostridium botulinum (strain Loch Maree / Type A3).
OC   Bacteria; Bacillati; Bacillota; Clostridia; Eubacteriales; Clostridiaceae;
OC   Clostridium; Clostridium botulinum group.
OX   NCBI_TaxID=498214;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Loch Maree / Type A3;
RX   PubMed=18060065; DOI=10.1371/journal.pone.0001271;
RA   Smith T.J., Hill K.K., Foley B.T., Detter J.C., Munk A.C., Bruce D.C.,
RA   Doggett N.A., Smith L.A., Marks J.D., Xie G., Brettin T.S.;
RT   "Analysis of the neurotoxin complex genes in Clostridium botulinum A1-A4
RT   and B1 strains: BoNT/A3, /Ba4 and /B1 clusters are located within
RT   plasmids.";
RL   PLoS ONE 2:E1271-E1271(2007).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(6S)-5,6,7,8-tetrahydrofolate + formate + ATP = (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:0000255|HAMAP-Rule:MF_01543};
CC   -!- PATHWAY: One-carbon metabolism; tetrahydrofolate interconversion.
CC       {ECO:0000255|HAMAP-Rule:MF_01543}.
CC   -!- SIMILARITY: Belongs to the formate--tetrahydrofolate ligase family.
CC       {ECO:0000255|HAMAP-Rule:MF_01543}.
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DR   EMBL; CP000962; ACA54465.1; -; Genomic_DNA.
DR   RefSeq; WP_012342564.1; NC_010520.1.
DR   AlphaFoldDB; B1KTC6; -.
DR   SMR; B1KTC6; -.
DR   KEGG; cbl:CLK_2988; -.
DR   HOGENOM; CLU_003601_3_3_9; -.
DR   UniPathway; UPA00193; -.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004329; F:formate-tetrahydrofolate ligase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0035999; P:tetrahydrofolate interconversion; IEA:UniProtKB-UniRule.
DR   CDD; cd00477; FTHFS; 1.
DR   FunFam; 3.30.1510.10:FF:000001; Formate--tetrahydrofolate ligase; 1.
DR   FunFam; 3.10.410.10:FF:000001; Putative formate--tetrahydrofolate ligase; 1.
DR   Gene3D; 3.30.1510.10; Domain 2, N(10)-formyltetrahydrofolate synthetase; 1.
DR   Gene3D; 3.10.410.10; Formyltetrahydrofolate synthetase, domain 3; 1.
DR   Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 1.
DR   HAMAP; MF_01543; FTHFS; 1.
DR   InterPro; IPR000559; Formate_THF_ligase.
DR   InterPro; IPR020628; Formate_THF_ligase_CS.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   NCBIfam; NF010030; PRK13505.1; 1.
DR   Pfam; PF01268; FTHFS; 1.
DR   SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
DR   PROSITE; PS00721; FTHFS_1; 1.
DR   PROSITE; PS00722; FTHFS_2; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Ligase; Nucleotide-binding; One-carbon metabolism.
FT   CHAIN           1..557
FT                   /note="Formate--tetrahydrofolate ligase"
FT                   /id="PRO_1000146679"
FT   BINDING         66..73
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01543"
SQ   SEQUENCE   557 AA;  60714 MW;  0AF9C1A825B3070C CRC64;
     MFKSDIEIAQ ESKMKNIKDI AENIGLTEED IDLYGKYKCK ISLDVLKNNK DKKDGKLILV
     TAINPTPAGE GKSTVTVGLG QALWKKNKKA VIALREPSLG PVFGIKGGAA GGGYSQVVPM
     EDINLHFTGD MHAITSANNL LAAAIDNHIH QGNILKIDQR RILFKRVMDM NDRALRNVIV
     ALGGKVNGFP REDGFMITVA SEIMAILCLA ENLMDLKNKM GEILVAYSTE GNPIYCKDLE
     VQGAMALLMK DAIKPNLVQT LENTPAIIHG GPFANIAHGC NSILGTKMAL KLGDYVITEA
     GFGADLGAEK FFDIKCRKAN LKPNCVVIVA TVRALKYNSG IPKENLKEQN MEALSKGIKN
     LGKHIENVNK FGVPAVVAIN KFISDTEEEI EFIKKYCKEL GAEVSIAEVW EKGGNGGLEL
     ADKVLDTIEN KESKFNPIYE ETLNIKQKIE TIAQEIYGAE GVDYSKEAEK QISEIEKLDL
     DKKPVCMAKT QYSLSDDAKL LGRPCGFRIN VKEVRISNGA GFIVVLTGNV MTMPGLPKKP
     AANNMNVLSD GNIVGLF
//