ID Q8U133_PYRFU Unreviewed; 308 AA.
AC Q8U133;
DT 01-JUN-2002, integrated into UniProtKB/TrEMBL.
DT 01-JUN-2002, sequence version 1.
DT 18-JUN-2025, entry version 131.
DE RecName: Full=2-dehydropantoate 2-reductase {ECO:0000256|ARBA:ARBA00013014, ECO:0000256|RuleBase:RU362068};
DE EC=1.1.1.169 {ECO:0000256|ARBA:ARBA00013014, ECO:0000256|RuleBase:RU362068};
DE AltName: Full=Ketopantoate reductase {ECO:0000256|ARBA:ARBA00032024, ECO:0000256|RuleBase:RU362068};
GN OrderedLocusNames=PF1396 {ECO:0000313|EMBL:AAL81520.1};
OS Pyrococcus furiosus (strain ATCC 43587 / DSM 3638 / JCM 8422 / Vc1).
OC Archaea; Methanobacteriati; Methanobacteriota; Thermococci; Thermococcales;
OC Thermococcaceae; Pyrococcus.
OX NCBI_TaxID=186497 {ECO:0000313|EMBL:AAL81520.1, ECO:0000313|Proteomes:UP000001013};
RN [1] {ECO:0000313|EMBL:AAL81520.1, ECO:0000313|Proteomes:UP000001013}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 43587 / DSM 3638 / JCM 8422 / Vc1
RC {ECO:0000313|Proteomes:UP000001013};
RX PubMed=10430560;
RA Maeder D.L., Weiss R.B., Dunn D.M., Cherry J.L., Gonzalez J.M.,
RA DiRuggiero J., Robb F.T.;
RT "Divergence of the hyperthermophilic archaea Pyrococcus furiosus and P.
RT horikoshii inferred from complete genomic sequences.";
RL Genetics 152:1299-1305(1999).
CC -!- FUNCTION: Catalyzes the NADPH-dependent reduction of ketopantoate into
CC pantoic acid. {ECO:0000256|RuleBase:RU362068}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(R)-pantoate + NAD(+) = 2-dehydropantoate + NADH + H(+);
CC Xref=Rhea:RHEA:61292, ChEBI:CHEBI:11561, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:15980, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945;
CC Evidence={ECO:0000256|ARBA:ARBA00048196};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:61294;
CC Evidence={ECO:0000256|ARBA:ARBA00048196};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(R)-pantoate + NADP(+) = 2-dehydropantoate + NADPH + H(+);
CC Xref=Rhea:RHEA:16233, ChEBI:CHEBI:11561, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:15980, ChEBI:CHEBI:57783, ChEBI:CHEBI:58349;
CC EC=1.1.1.169; Evidence={ECO:0000256|ARBA:ARBA00047506};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:16235;
CC Evidence={ECO:0000256|ARBA:ARBA00047506};
CC -!- PATHWAY: Cofactor biosynthesis; coenzyme A biosynthesis.
CC {ECO:0000256|ARBA:ARBA00004724, ECO:0000256|RuleBase:RU362068}.
CC -!- SIMILARITY: Belongs to the ketopantoate reductase family.
CC {ECO:0000256|ARBA:ARBA00007870, ECO:0000256|RuleBase:RU362068}.
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DR EMBL; AE009950; AAL81520.1; -; Genomic_DNA.
DR RefSeq; WP_011012543.1; NZ_CP023154.1.
DR AlphaFoldDB; Q8U133; -.
DR STRING; 186497.PF1396; -.
DR PaxDb; 186497-PF1396; -.
DR KEGG; pfu:PF1396; -.
DR PATRIC; fig|186497.12.peg.1459; -.
DR eggNOG; arCOG04139; Archaea.
DR HOGENOM; CLU_031468_0_0_2; -.
DR OrthoDB; 201845at2157; -.
DR PhylomeDB; Q8U133; -.
DR UniPathway; UPA00241; -.
DR Proteomes; UP000001013; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:TreeGrafter.
DR GO; GO:0008677; F:2-dehydropantoate 2-reductase activity; IEA:UniProtKB-EC.
DR GO; GO:0050661; F:NADP binding; IEA:TreeGrafter.
DR GO; GO:0015937; P:coenzyme A biosynthetic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0015940; P:pantothenate biosynthetic process; IEA:InterPro.
DR Gene3D; 1.10.1040.10; N-(1-d-carboxylethyl)-l-norvaline Dehydrogenase, domain 2; 1.
DR Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 1.
DR InterPro; IPR008927; 6-PGluconate_DH-like_C_sf.
DR InterPro; IPR013328; 6PGD_dom2.
DR InterPro; IPR003710; ApbA.
DR InterPro; IPR050838; Ketopantoate_reductase.
DR InterPro; IPR013752; KPA_reductase.
DR InterPro; IPR013332; KPR_N.
DR InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR NCBIfam; TIGR00745; apbA_panE; 1.
DR NCBIfam; NF005092; PRK06522.2-3; 1.
DR PANTHER; PTHR43765:SF2; 2-DEHYDROPANTOATE 2-REDUCTASE; 1.
DR PANTHER; PTHR43765; 2-DEHYDROPANTOATE 2-REDUCTASE-RELATED; 1.
DR Pfam; PF02558; ApbA; 1.
DR Pfam; PF08546; ApbA_C; 1.
DR SUPFAM; SSF48179; 6-phosphogluconate dehydrogenase C-terminal domain-like; 1.
DR SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 1.
PE 3: Inferred from homology;
KW Coenzyme A biosynthesis {ECO:0000256|ARBA:ARBA00022993,
KW ECO:0000256|RuleBase:RU362068};
KW NADP {ECO:0000256|ARBA:ARBA00022857, ECO:0000256|RuleBase:RU362068};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|RuleBase:RU362068};
KW Reference proteome {ECO:0000313|Proteomes:UP000001013}.
FT DOMAIN 3..145
FT /note="Ketopantoate reductase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF02558"
FT DOMAIN 171..294
FT /note="Ketopantoate reductase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF08546"
SQ SEQUENCE 308 AA; 33443 MW; 328D99383C11D636 CRC64;
MKIYVLGAGA IGSLFGGLLF AAGEDVVLIG RKPHVDAINK RGLRITGIIE EVIKVPATIS
PPEEKPDLII LATKSYSTVE ALRASKAIVE DTWILSIQNG IGNEDEIRKF GGKPIGGITT
NGAILVSSGV VKWTGKGITV VGLYPKGRHT FVDKISEIFN RAGLETIVSE NIEGWIWAKA
IVNSAINPIG TLLRVKNGAI LDNEELLSVA VEVVKEGCKV ATQNGVKLEV HPIDLLFQTL
KKTRENYNSM LQDILKGRKT EIDYINGKIV EYAKSVGLEA PLNFLLWGLI KGMEKLHGGV
ENVWGKRE
//
