ID A0A2U3WKK0_ODORO Unreviewed; 935 AA.
AC A0A2U3WKK0;
DT 18-JUL-2018, integrated into UniProtKB/TrEMBL.
DT 18-JUL-2018, sequence version 1.
DT 27-MAR-2024, entry version 25.
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=MTHFD1 {ECO:0000313|RefSeq:XP_004409418.1};
OS Odobenus rosmarus divergens (Pacific walrus).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Laurasiatheria; Carnivora; Caniformia; Pinnipedia; Odobenidae;
OC Odobenus.
OX NCBI_TaxID=9708 {ECO:0000313|Proteomes:UP000245340, ECO:0000313|RefSeq:XP_004409418.1};
RN [1] {ECO:0000313|RefSeq:XP_004409418.1}
RP IDENTIFICATION.
RG RefSeq;
RL Submitted (NOV-2023) to UniProtKB.
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}.
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DR RefSeq; XP_004409418.1; XM_004409361.1.
DR AlphaFoldDB; A0A2U3WKK0; -.
DR STRING; 9708.A0A2U3WKK0; -.
DR GeneID; 101381197; -.
DR KEGG; oro:101381197; -.
DR CTD; 4522; -.
DR InParanoid; A0A2U3WKK0; -.
DR OrthoDB; 651667at2759; -.
DR UniPathway; UPA00193; -.
DR Proteomes; UP000245340; Unplaced.
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; 1.10.8.770; -; 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:SF1; 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; PS00766; THF_DHG_CYH_1; 1.
DR PROSITE; PS00767; THF_DHG_CYH_2; 1.
PE 3: Inferred from homology;
KW One-carbon metabolism {ECO:0000256|ARBA:ARBA00022563};
KW Reference proteome {ECO:0000313|Proteomes:UP000245340}.
FT DOMAIN 7..125
FT /note="Tetrahydrofolate dehydrogenase/cyclohydrolase
FT catalytic"
FT /evidence="ECO:0000259|Pfam:PF00763"
FT DOMAIN 129..293
FT /note="Tetrahydrofolate dehydrogenase/cyclohydrolase
FT NAD(P)-binding"
FT /evidence="ECO:0000259|Pfam:PF02882"
SQ SEQUENCE 935 AA; 101227 MW; AFD9B24EB384D414 CRC64;
MAPAEILNGK VVSAQIRERL KNQVTQMKEQ VPGFTPGLAI LQVGNRDDSN LYINVKLKAA
EEIGIKATHI KLPRTATESE VLKYVTSLNE DLTVHGFIVQ LPLDSENPIN TEAVVNAIIP
EKDVDGLTSI SAGKLARGDL NDCFIPCTPK GCLELIKETG VQIAGRHAVV VGRSKIVGAP
MHDLLLWNHA TVTTCHSKTA NLGEEVNKGD ILVVATGQPE MVKGEWIKPG AIVIDCGINY
IPDDTKPNGK KVVGDVAYDE AKERAGFITP VPGGVGPMTV AMLMQSTVES AKRFLEKFKP
GKWMIQYNKL NLQVPVPSDI DISRSCKPKP IGSLAREIGL LSEEVELYGE TKAKVLLSAL
ERLKHQPDGK YVVVTGITPT PLGEGKSTTT IGLVQALGAH LFLNVFACVR QPSQGPTFGI
KGGAAGGGYS QVIPMEEFNL HLTGDIHAIT AANNLVAAAI DARMFHELTQ TDKALFNRLV
PSVNGVRKFS NIQIRRLQRL GIEKTDPTTL TDDEINRFAR LDIDPETITW QRVLDTNDRF
LRKITIGQAP TEKGHTRTAQ FDISVASEIM AVLALTSSLE DMRERLSRMV VASSRKGEPI
STEDLGVSGA LTVLMKDAIK PNLMQTLEGT PVFVHAGPFA NIAHGNSSII ADRIALKLVG
PEGFVVTEAG FGADIGMEKF FNIKCRYSGL RPHVVVLVAT VRALKMHGGG PTVTAGLPLP
KAYIEENLEL VEKGFSNLRK QIENARMFGV PVVVAVNAFK TDSEAELDLV SRLAKDHGAF
DAVKCTHWAE GGKGALALAQ AVQRAAQAAS SFQLLYDLKL PIEDKIRIIA QKIYGADDIE
LLPEAQHKAE VYTKQGFGDL PICMAKTHLS LSHNPEQKGV PTGFVLPIRD IRASVGAGFL
YPLVGTMSTM PGLPTRPCFY DIDLDPETEQ VNGLF
//
