ID A0A1H3GJQ4_9EURY Unreviewed; 311 AA.
AC A0A1H3GJQ4;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 18-JUN-2025, entry version 31.
DE RecName: Full=2-dehydropantoate 2-reductase {ECO:0000256|ARBA:ARBA00019465, 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 ORFNames=SAMN04487946_105200 {ECO:0000313|EMBL:SDY03327.1};
OS Halobellus clavatus.
OC Archaea; Methanobacteriati; Methanobacteriota; Stenosarchaea group;
OC Halobacteria; Halobacteriales; Haloferacaceae; Halobellus.
OX NCBI_TaxID=660517 {ECO:0000313|EMBL:SDY03327.1, ECO:0000313|Proteomes:UP000199170};
RN [1] {ECO:0000313|Proteomes:UP000199170}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CGMCC 1.10118 {ECO:0000313|Proteomes:UP000199170};
RA Varghese N., Submissions S.;
RL Submitted (OCT-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the NAD(P)H-dependent reduction of ketopantoate
CC into pantoic acid. {ECO:0000256|ARBA:ARBA00056765}.
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; FNPB01000005; SDY03327.1; -; Genomic_DNA.
DR RefSeq; WP_089767020.1; NZ_FNPB01000005.1.
DR AlphaFoldDB; A0A1H3GJQ4; -.
DR STRING; 660517.SAMN04487946_105200; -.
DR OrthoDB; 201845at2157; -.
DR UniPathway; UPA00241; -.
DR Proteomes; UP000199170; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:TreeGrafter.
DR GO; GO:0008677; F:2-dehydropantoate 2-reductase activity; IEA:UniProtKB-EC.
DR GO; GO:0015937; P:coenzyme A biosynthetic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0015940; P:pantothenate biosynthetic process; IEA:InterPro.
DR FunFam; 1.10.1040.10:FF:000017; 2-dehydropantoate 2-reductase; 1.
DR FunFam; 3.40.50.720:FF:000307; 2-dehydropantoate 2-reductase; 1.
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; IPR013752; KPA_reductase.
DR InterPro; IPR051402; KPR-Related.
DR InterPro; IPR013332; KPR_N.
DR InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR NCBIfam; TIGR00745; apbA_panE; 1.
DR NCBIfam; NF005091; PRK06522.2-2; 1.
DR PANTHER; PTHR21708:SF26; 2-DEHYDROPANTOATE 2-REDUCTASE; 1.
DR PANTHER; PTHR21708; PROBABLE 2-DEHYDROPANTOATE 2-REDUCTASE; 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:UP000199170}.
FT DOMAIN 3..151
FT /note="Ketopantoate reductase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF02558"
FT DOMAIN 179..299
FT /note="Ketopantoate reductase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF08546"
SQ SEQUENCE 311 AA; 33789 MW; AF7F9F4AD54472E0 CRC64;
MTIAVYGAGG VGGYLGGRLA QAGADVHLIA RGEHLDALRE DGIRVESVAG DFAVDVPATD
DPADVGPCDY VLFTVKSYDT EAAAQDLDPL VGEDTAVLSL QNGVDNERLI ADEIGREHVL
GGVSYIFSTI AEPGVIEHTG GPTSFTVGEL DGSHSERVER FVEWCERADG VSAEASTSIR
TELWEKAAFI CAHAGMTAAT RLPLGDVRGH EASWEMYRRL FEEVCRVGRA AGVELTDETV
EEWMEFAEGL DGDSYSSLHY DLTHEKPMEL DGLHGAIIRR AREHDIAVPM NEAVYAILRP
WAARNEWLED S
//
