ID A0A1I0NFE1_9EURY Unreviewed; 307 AA.
AC A0A1I0NFE1;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 18-JUN-2025, entry version 35.
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=SAMN05216285_1663 {ECO:0000313|EMBL:SEV99952.1};
OS Natrinema salifodinae.
OC Archaea; Methanobacteriati; Methanobacteriota; Stenosarchaea group;
OC Halobacteria; Halobacteriales; Natrialbaceae; Natrinema.
OX NCBI_TaxID=1202768 {ECO:0000313|EMBL:SEV99952.1, ECO:0000313|Proteomes:UP000183275};
RN [1] {ECO:0000313|Proteomes:UP000183275}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CGMCC 1.12284 {ECO:0000313|Proteomes:UP000183275};
RA Varghese N.;
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; FOIS01000002; SEV99952.1; -; Genomic_DNA.
DR RefSeq; WP_049988663.1; NZ_FOIS01000002.1.
DR AlphaFoldDB; A0A1I0NFE1; -.
DR STRING; 1202768.SAMN05216285_1663; -.
DR eggNOG; arCOG04139; Archaea.
DR OrthoDB; 201845at2157; -.
DR UniPathway; UPA00241; -.
DR Proteomes; UP000183275; 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:UP000183275}.
FT DOMAIN 4..151
FT /note="Ketopantoate reductase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF02558"
FT DOMAIN 178..299
FT /note="Ketopantoate reductase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF08546"
SQ SEQUENCE 307 AA; 33162 MW; 2AF8F431958B05D8 CRC64;
MKFAVFGAGG VGGYLGARLA DAGHDVHLVT RGEHLDALQA DGLRVESIAG DTAVELPATD
DPADIGPCDS VLFCVKAHDT KTAAADLEPL LEEETAVVSV QNGVDNERWL ADEIGDEHVV
GGVAYIFSTI GAPGVVEHTG GPARFVYGEL DGRRTDRIEA LDGALSASEG IDAVLADDIR
VELWRKFAFI CAQAGMTATT RLPVGELRET DASWEMYRRI MAEVCAVARA EGVDLSEDTV
DEWLDFAHDL DPEMYSSLHY DLTHDKRLEL DALHGSVVRH ASDVGVDVPM NEAVNAILRP
WAERNER
//
