ID   FTHS_CALS8              Reviewed;         554 AA.
AC   A4XIU2;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   29-MAY-2007, sequence version 1.
DT   03-AUG-2022, 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}; OrderedLocusNames=Csac_1224;
OS   Caldicellulosiruptor saccharolyticus (strain ATCC 43494 / DSM 8903 / Tp8T
OS   6331).
OC   Bacteria; Firmicutes; Clostridia; Thermoanaerobacterales;
OC   Thermoanaerobacterales Family III. Incertae Sedis; Caldicellulosiruptor.
OX   NCBI_TaxID=351627;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 43494 / DSM 8903 / Tp8T 6331;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Kiss H., Brettin T., Bruce D., Han C., Schmutz J., Larimer F., Land M.,
RA   Hauser L., Kyrpides N., Lykidis A., van de Werken H.J.G., Verhaart M.R.A.,
RA   VanFossen A.L., Lewis D.L., Nichols J.D., Goorissen H.P., van Niel E.W.J.,
RA   Stams F.J.M., Willquist K.U., Ward D.E., van der Oost J., Kelly R.M.,
RA   Kengen S.M.W., Richardson P.;
RT   "Genome sequence of the thermophilic hydrogen-producing bacterium
RT   Caldicellulosiruptor saccharolyticus DSM 8903.";
RL   Submitted (APR-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(6S)-5,6,7,8-tetrahydrofolate + ATP + formate = (6S)-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:57454, ChEBI:CHEBI:456216; EC=6.3.4.3;
CC         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; CP000679; ABP66827.1; -; Genomic_DNA.
DR   RefSeq; WP_011916763.1; NC_009437.1.
DR   AlphaFoldDB; A4XIU2; -.
DR   SMR; A4XIU2; -.
DR   STRING; 351627.Csac_1224; -.
DR   EnsemblBacteria; ABP66827; ABP66827; Csac_1224.
DR   KEGG; csc:Csac_1224; -.
DR   eggNOG; COG2759; Bacteria.
DR   HOGENOM; CLU_003601_3_3_9; -.
DR   OMA; TRQGFSK; -.
DR   OrthoDB; 177859at2; -.
DR   UniPathway; UPA00193; -.
DR   Proteomes; UP000000256; Chromosome.
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-UniPathway.
DR   CDD; cd00477; FTHFS; 1.
DR   Gene3D; 3.40.50.300; -; 1.
DR   HAMAP; MF_01543; FTHFS; 1.
DR   InterPro; IPR000559; Formate_THF_ligase.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   Pfam; PF01268; FTHFS; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Ligase; Nucleotide-binding; One-carbon metabolism.
FT   CHAIN           1..554
FT                   /note="Formate--tetrahydrofolate ligase"
FT                   /id="PRO_0000318565"
FT   BINDING         64..71
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01543"
SQ   SEQUENCE   554 AA;  60246 MW;  CADABD9B733011CB CRC64;
     MKSTSKLQEM KLKNITEIAE SVGLSEDDIE LYGKYKAKIS LDVLKQKPRQ REGKVILVTS
     INPTPYGEGK TTTAIGLSMA INRLGFKSIV TLREPSLGPY LGIKGGATGG GVAQVLPSTD
     INLHFTGDIH AVTSANNLLC AAIDNHIYHG NELNINPKAV MVKRAMDMND RALRNIVIGL
     GDGQRGAVRE DGFIISVASE VMAILCLSND LEDLKERLGN ILVGFSYDKK PIYAKDLKVH
     GAMALLLKDA IKPNLVQTSE ATAAIIHGGP FANIAHGTNS IIAIKIAQKL SDYVVVEAGF
     GADLGAEKFV NIVSRKSGIY PSAAVMVVTT KALKYHGSMG AKENLTSENI DTLKKGFKNL
     EKHIENLKLL GLEAIVTLNR FPHDTPAEIS EIESFCKERG VEFAVSEAYE LGSEGALDLA
     QKVIEVASRK RKINFVYEDS DPVEEKIRKV AKTIYGAADV QFSKSALLGL ELIKKLNIDH
     FPICMAKTQY SLSDDPKLLG RPKDFVLNVN EIRINNGAQF IVVICGDIMT MPGLSKDYAA
     LHLDIDEDGN VVWV