ID L9ZG06_NATA2 Unreviewed; 302 AA.
AC L9ZG06;
DT 03-APR-2013, integrated into UniProtKB/TrEMBL.
DT 03-APR-2013, sequence version 1.
DT 18-JUN-2025, entry version 60.
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=C485_14305 {ECO:0000313|EMBL:ELY84537.1};
OS Natrinema altunense (strain JCM 12890 / CGMCC 1.3731 / AJ2).
OC Archaea; Methanobacteriati; Methanobacteriota; Stenosarchaea group;
OC Halobacteria; Halobacteriales; Natrialbaceae; Natrinema.
OX NCBI_TaxID=1227494 {ECO:0000313|EMBL:ELY84537.1, ECO:0000313|Proteomes:UP000011511};
RN [1] {ECO:0000313|EMBL:ELY84537.1, ECO:0000313|Proteomes:UP000011511}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=JCM 12890 {ECO:0000313|EMBL:ELY84537.1,
RC ECO:0000313|Proteomes:UP000011511};
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 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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:ELY84537.1}.
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DR EMBL; AOIK01000035; ELY84537.1; -; Genomic_DNA.
DR RefSeq; WP_007110113.1; NZ_AOIK01000035.1.
DR AlphaFoldDB; L9ZG06; -.
DR PATRIC; fig|1227494.3.peg.2872; -.
DR eggNOG; arCOG04139; Archaea.
DR UniPathway; UPA00241; -.
DR Proteomes; UP000011511; 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: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 FunFam; 1.10.1040.10:FF:000017; 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; 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 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:UP000011511}.
FT DOMAIN 3..146
FT /note="Ketopantoate reductase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF02558"
FT DOMAIN 175..294
FT /note="Ketopantoate reductase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF08546"
SQ SEQUENCE 302 AA; 31075 MW; 8DD58E02DA758E02 CRC64;
MEIVVFGAGS LGSLVGGLLA REHDVTLVAR EAHARAVSGS GLRLEGAVAD APERVFPAAT
TDGTGLEADL AVVTVKSFDT VAAAERLATG TFDGVLSLQN GMGNEATLAA RLEVPVLAGT
ATYGAVLREP GVVDCTGVGE VVFGARAGGP SALAARLGEA FAAAGLETTV AEDMPRRLWE
KLAVNAGINP ITALTATENG AVLEDPADVL SRAAVRETAR VARACAVPLS NREAQSAMEA
VASATATNTS SMRQDVLAER RTEIDAINGH VVDRAAELGI EVPTNRTLTT LVRAWERGRD
VR
//