ID E4NSG8_HALBP Unreviewed; 297 AA.
AC E4NSG8;
DT 08-FEB-2011, integrated into UniProtKB/TrEMBL.
DT 08-FEB-2011, sequence version 1.
DT 27-MAR-2024, entry version 83.
DE RecName: Full=Bifunctional protein FolD {ECO:0000256|HAMAP-Rule:MF_01576};
DE Includes:
DE RecName: Full=Methylenetetrahydrofolate dehydrogenase {ECO:0000256|HAMAP-Rule:MF_01576};
DE EC=1.5.1.5 {ECO:0000256|HAMAP-Rule:MF_01576};
DE Includes:
DE RecName: Full=Methenyltetrahydrofolate cyclohydrolase {ECO:0000256|HAMAP-Rule:MF_01576};
DE EC=3.5.4.9 {ECO:0000256|HAMAP-Rule:MF_01576};
GN Name=folD {ECO:0000256|HAMAP-Rule:MF_01576};
GN OrderedLocusNames=Hbor_13760 {ECO:0000313|EMBL:ADQ66957.1};
GN ORFNames=C499_04336 {ECO:0000313|EMBL:ELY30038.1};
OS Halogeometricum borinquense (strain ATCC 700274 / DSM 11551 / JCM 10706 /
OS KCTC 4070 / PR3).
OC Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Haloferacales;
OC Haloferacaceae; Halogeometricum.
OX NCBI_TaxID=469382 {ECO:0000313|EMBL:ADQ66957.1, ECO:0000313|Proteomes:UP000006663};
RN [1] {ECO:0000313|EMBL:ADQ66957.1, ECO:0000313|Proteomes:UP000006663}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 700274 / DSM 11551 / JCM 10706 / KCTC 4070 / PR3
RC {ECO:0000313|Proteomes:UP000006663}, and PR 3
RC {ECO:0000313|EMBL:ADQ66957.1};
RX PubMed=21304651; DOI=10.4056/sigs.23264;
RA Malfatti S., Tindall B.J., Schneider S., Fahnrich R., Lapidus A.,
RA Labuttii K., Copeland A., Glavina Del Rio T., Nolan M., Chen F., Lucas S.,
RA Tice H., Cheng J.F., Bruce D., Goodwin L., Pitluck S., Anderson I.,
RA Pati A., Ivanova N., Mavromatis K., Chen A., Palaniappan K.,
RA D'haeseleer P., Goker M., Bristow J., Eisen J.A., Markowitz V.,
RA Hugenholtz P., Kyrpides N.C., Klenk H.P., Chain P.;
RT "Complete genome sequence of Halogeometricum borinquense type strain
RT (PR3).";
RL Stand. Genomic Sci. 1:150-159(2009).
RN [2] {ECO:0000313|EMBL:ELY30038.1, ECO:0000313|Proteomes:UP000011585}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 11551 {ECO:0000313|EMBL:ELY30038.1,
RC ECO:0000313|Proteomes:UP000011585};
RX PubMed=25393412; DOI=10.1371/journal.pgen.1004784;
RA Becker E.A., Seitzer P.M., Tritt A., Larsen D., Krusor M., Yao A.I., Wu D.,
RA Madern D., Eisen J.A., Darling A.E., Facciotti M.T.;
RT "Phylogenetically driven sequencing of extremely halophilic archaea reveals
RT strategies for static and dynamic osmo-response.";
RL PLoS Genet. 10:E1004784-E1004784(2014).
CC -!- FUNCTION: Catalyzes the oxidation of 5,10-methylenetetrahydrofolate to
CC 5,10-methenyltetrahydrofolate and then the hydrolysis of 5,10-
CC methenyltetrahydrofolate to 10-formyltetrahydrofolate.
CC {ECO:0000256|HAMAP-Rule:MF_01576}.
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; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_01576};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(6R)-5,10-methylene-5,6,7,8-tetrahydrofolate + NADP(+) = (6R)-
CC 5,10-methenyltetrahydrofolate + NADPH; Xref=Rhea:RHEA:22812,
CC ChEBI:CHEBI:15636, ChEBI:CHEBI:57455, ChEBI:CHEBI:57783,
CC ChEBI:CHEBI:58349; EC=1.5.1.5; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_01576};
CC -!- PATHWAY: One-carbon metabolism; tetrahydrofolate interconversion.
CC {ECO:0000256|ARBA:ARBA00004777, ECO:0000256|HAMAP-Rule:MF_01576}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_01576}.
CC -!- SIMILARITY: Belongs to the tetrahydrofolate
CC dehydrogenase/cyclohydrolase family. {ECO:0000256|HAMAP-Rule:MF_01576}.
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DR EMBL; CP001690; ADQ66957.1; -; Genomic_DNA.
DR EMBL; AOHT01000012; ELY30038.1; -; Genomic_DNA.
DR RefSeq; WP_006054187.1; NZ_AOHT01000012.1.
DR AlphaFoldDB; E4NSG8; -.
DR STRING; 469382.Hbor_13760; -.
DR GeneID; 9993195; -.
DR KEGG; hbo:Hbor_13760; -.
DR PATRIC; fig|469382.19.peg.850; -.
DR eggNOG; arCOG04538; Archaea.
DR HOGENOM; CLU_034045_0_0_2; -.
DR OrthoDB; 9455at2157; -.
DR UniPathway; UPA00193; -.
DR Proteomes; UP000006663; Chromosome.
DR Proteomes; UP000011585; Unassembled WGS sequence.
DR GO; GO:0004477; F:methenyltetrahydrofolate cyclohydrolase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0004488; F:methylenetetrahydrofolate dehydrogenase (NADP+) activity; IEA:UniProtKB-UniRule.
DR GO; GO:0000105; P:histidine biosynthetic process; IEA:UniProtKB-KW.
DR GO; GO:0009086; P:methionine biosynthetic process; IEA:UniProtKB-KW.
DR GO; GO:0006164; P:purine nucleotide biosynthetic process; IEA:UniProtKB-KW.
DR GO; GO:0035999; P:tetrahydrofolate interconversion; IEA:UniProtKB-UniPathway.
DR CDD; cd01080; NAD_bind_m-THF_DH_Cyclohyd; 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 HAMAP; MF_01576; THF_DHG_CYH; 1.
DR InterPro; IPR046346; Aminoacid_DH-like_N_sf.
DR InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR InterPro; IPR000672; THF_DH/CycHdrlase.
DR InterPro; IPR020630; THF_DH/CycHdrlase_cat_dom.
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; 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.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|HAMAP-Rule:MF_01576};
KW Histidine biosynthesis {ECO:0000256|HAMAP-Rule:MF_01576};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_01576};
KW Methionine biosynthesis {ECO:0000256|HAMAP-Rule:MF_01576};
KW Multifunctional enzyme {ECO:0000256|ARBA:ARBA00023268, ECO:0000256|HAMAP-
KW Rule:MF_01576};
KW NADP {ECO:0000256|ARBA:ARBA00022857, ECO:0000256|HAMAP-Rule:MF_01576};
KW One-carbon metabolism {ECO:0000256|ARBA:ARBA00022563, ECO:0000256|HAMAP-
KW Rule:MF_01576};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|HAMAP-
KW Rule:MF_01576}; Purine biosynthesis {ECO:0000256|HAMAP-Rule:MF_01576};
KW Reference proteome {ECO:0000313|Proteomes:UP000006663}.
FT DOMAIN 5..119
FT /note="Tetrahydrofolate dehydrogenase/cyclohydrolase
FT catalytic"
FT /evidence="ECO:0000259|Pfam:PF00763"
FT DOMAIN 122..286
FT /note="Tetrahydrofolate dehydrogenase/cyclohydrolase
FT NAD(P)-binding"
FT /evidence="ECO:0000259|Pfam:PF02882"
FT BINDING 164..166
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01576"
FT BINDING 193
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01576"
FT BINDING 234
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01576"
SQ SEQUENCE 297 AA; 31322 MW; E40112498EE6917D CRC64;
MTDIIDGNAV AAEIRAGLAD GIDTLADAGV TPCLATVLMS NDPASETYVS MKHSDCEEVG
IEARDFEIDP EAPAEELYDT IDELNADPSV HGILVQMPVP DHVDEREVLR RIDPAKDVDG
FHPENVGRLV AGHPRFKPCT PHGIQKLLAA TDVETEGADV AVVGRSNIVG KPMANLLIQK
SELGNATVTV CHSRTENLAD KTRAADIVVA AVGIPEFITG EMLSEGVTVI DVGINRVDAD
TEKGYELVGD VEYESAKAKA GAITPVPGGV GPMTRAMLLW NTVKAAGDAE AVDVNLP
//