ID   A0A2N7PQK1_9BACT        Unreviewed;       522 AA.
AC   A0A2N7PQK1;
DT   25-APR-2018, integrated into UniProtKB/TrEMBL.
DT   25-APR-2018, sequence version 1.
DT   28-JUN-2023, entry version 20.
DE   RecName: Full=Bifunctional NAD(P)H-hydrate repair enzyme {ECO:0000256|PIRNR:PIRNR017184};
DE   AltName: Full=Nicotinamide nucleotide repair protein {ECO:0000256|PIRNR:PIRNR017184};
DE   Includes:
DE     RecName: Full=ADP-dependent (S)-NAD(P)H-hydrate dehydratase {ECO:0000256|PIRNR:PIRNR017184};
DE              EC=4.2.1.136 {ECO:0000256|PIRNR:PIRNR017184};
DE     AltName: Full=ADP-dependent NAD(P)HX dehydratase {ECO:0000256|PIRNR:PIRNR017184};
DE   Includes:
DE     RecName: Full=NAD(P)H-hydrate epimerase {ECO:0000256|PIRNR:PIRNR017184};
DE              EC=5.1.99.6 {ECO:0000256|PIRNR:PIRNR017184};
GN   Name=nnrE {ECO:0000256|HAMAP-Rule:MF_01966};
GN   Synonyms=nnrD {ECO:0000256|HAMAP-Rule:MF_01965};
GN   ORFNames=C0190_00020 {ECO:0000313|EMBL:PMP69234.1};
OS   Thermodesulfobacterium geofontis.
OC   Bacteria; Thermodesulfobacteriota; Thermodesulfobacteria;
OC   Thermodesulfobacteriales; Thermodesulfobacteriaceae;
OC   Thermodesulfobacterium.
OX   NCBI_TaxID=1295609 {ECO:0000313|EMBL:PMP69234.1, ECO:0000313|Proteomes:UP000235460};
RN   [1] {ECO:0000313|EMBL:PMP69234.1, ECO:0000313|Proteomes:UP000235460}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ZAV-08 {ECO:0000313|EMBL:PMP69234.1};
RA   Wilkins L., Ettinger C.;
RT   "Metagenomic assembled genomes from two thermal pools in the Uzon Caldera,
RT   Kamchatka, Russia.";
RL   Submitted (JAN-2018) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Bifunctional enzyme that catalyzes the epimerization of the
CC       S- and R-forms of NAD(P)HX and the dehydration of the S-form of
CC       NAD(P)HX at the expense of ADP, which is converted to AMP. This allows
CC       the repair of both epimers of NAD(P)HX, a damaged form of NAD(P)H that
CC       is a result of enzymatic or heat-dependent hydration.
CC       {ECO:0000256|ARBA:ARBA00025153, ECO:0000256|PIRNR:PIRNR017184}.
CC   -!- FUNCTION: Catalyzes the dehydration of the S-form of NAD(P)HX at the
CC       expense of ADP, which is converted to AMP. Together with NAD(P)HX
CC       epimerase, which catalyzes the epimerization of the S- and R-forms, the
CC       enzyme allows the repair of both epimers of NAD(P)HX, a damaged form of
CC       NAD(P)H that is a result of enzymatic or heat-dependent hydration.
CC       {ECO:0000256|HAMAP-Rule:MF_01965}.
CC   -!- FUNCTION: Catalyzes the epimerization of the S- and R-forms of
CC       NAD(P)HX, a damaged form of NAD(P)H that is a result of enzymatic or
CC       heat-dependent hydration. This is a prerequisite for the S-specific
CC       NAD(P)H-hydrate dehydratase to allow the repair of both epimers of
CC       NAD(P)HX. {ECO:0000256|HAMAP-Rule:MF_01966}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(6R)-NADHX = (6S)-NADHX; Xref=Rhea:RHEA:32215,
CC         ChEBI:CHEBI:64074, ChEBI:CHEBI:64075; EC=5.1.99.6;
CC         Evidence={ECO:0000256|ARBA:ARBA00000013, ECO:0000256|HAMAP-
CC         Rule:MF_01966, ECO:0000256|PIRNR:PIRNR017184};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(6R)-NADPHX = (6S)-NADPHX; Xref=Rhea:RHEA:32227,
CC         ChEBI:CHEBI:64076, ChEBI:CHEBI:64077; EC=5.1.99.6;
CC         Evidence={ECO:0000256|ARBA:ARBA00000909, ECO:0000256|HAMAP-
CC         Rule:MF_01966, ECO:0000256|PIRNR:PIRNR017184};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(6S)-NADHX + ADP = AMP + H(+) + NADH + phosphate;
CC         Xref=Rhea:RHEA:32223, ChEBI:CHEBI:15378, ChEBI:CHEBI:43474,
CC         ChEBI:CHEBI:57945, ChEBI:CHEBI:64074, ChEBI:CHEBI:456215,
CC         ChEBI:CHEBI:456216; EC=4.2.1.136;
CC         Evidence={ECO:0000256|ARBA:ARBA00001026, ECO:0000256|HAMAP-
CC         Rule:MF_01965, ECO:0000256|PIRNR:PIRNR017184};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(6S)-NADPHX + ADP = AMP + H(+) + NADPH + phosphate;
CC         Xref=Rhea:RHEA:32235, ChEBI:CHEBI:15378, ChEBI:CHEBI:43474,
CC         ChEBI:CHEBI:57783, ChEBI:CHEBI:64076, ChEBI:CHEBI:456215,
CC         ChEBI:CHEBI:456216; EC=4.2.1.136;
CC         Evidence={ECO:0000256|ARBA:ARBA00001241, ECO:0000256|HAMAP-
CC         Rule:MF_01965, ECO:0000256|PIRNR:PIRNR017184};
CC   -!- COFACTOR:
CC       Name=K(+); Xref=ChEBI:CHEBI:29103;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_01966,
CC         ECO:0000256|PIRNR:PIRNR017184};
CC       Note=Binds 1 potassium ion per subunit. {ECO:0000256|HAMAP-
CC       Rule:MF_01966, ECO:0000256|PIRNR:PIRNR017184};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_01965};
CC   -!- SUBUNIT: Homotetramer. {ECO:0000256|HAMAP-Rule:MF_01965}.
CC   -!- SIMILARITY: Belongs to the NnrD/CARKD family. {ECO:0000256|HAMAP-
CC       Rule:MF_01965}.
CC   -!- SIMILARITY: Belongs to the NnrE/AIBP family. {ECO:0000256|HAMAP-
CC       Rule:MF_01966}.
CC   -!- SIMILARITY: In the C-terminal section; belongs to the NnrD/CARKD
CC       family. {ECO:0000256|ARBA:ARBA00009524, ECO:0000256|PIRNR:PIRNR017184}.
CC   -!- SIMILARITY: In the N-terminal section; belongs to the NnrE/AIBP family.
CC       {ECO:0000256|ARBA:ARBA00006001, ECO:0000256|PIRNR:PIRNR017184}.
CC   -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC       feature annotation. {ECO:0000256|HAMAP-Rule:MF_01966}.
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:PMP69234.1}.
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DR   EMBL; PNIK01000001; PMP69234.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0A2N7PQK1; -.
DR   EnsemblBacteria; PMP69234; PMP69234; C0190_00020.
DR   Proteomes; UP000235460; Unassembled WGS sequence.
DR   GO; GO:0052855; F:ADP-dependent NAD(P)H-hydrate dehydratase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0052856; F:NADHX epimerase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0052857; F:NADPHX epimerase activity; IEA:UniProtKB-EC.
DR   GO; GO:0046496; P:nicotinamide nucleotide metabolic process; IEA:UniProtKB-UniRule.
DR   CDD; cd01171; YXKO-related; 1.
DR   Gene3D; 3.40.1190.20; -; 1.
DR   Gene3D; 3.40.50.10260; YjeF N-terminal domain; 1.
DR   HAMAP; MF_01965; NADHX_dehydratase; 1.
DR   HAMAP; MF_01966; NADHX_epimerase; 1.
DR   InterPro; IPR000631; CARKD.
DR   InterPro; IPR030677; Nnr.
DR   InterPro; IPR029056; Ribokinase-like.
DR   InterPro; IPR004443; YjeF_N_dom.
DR   InterPro; IPR036652; YjeF_N_dom_sf.
DR   PANTHER; PTHR12592:SF0; ATP-DEPENDENT (S)-NAD(P)H-HYDRATE DEHYDRATASE; 1.
DR   PANTHER; PTHR12592; ATP-DEPENDENT (S)-NAD(P)H-HYDRATE DEHYDRATASE FAMILY MEMBER; 1.
DR   Pfam; PF01256; Carb_kinase; 1.
DR   Pfam; PF03853; YjeF_N; 1.
DR   PIRSF; PIRSF017184; Nnr; 1.
DR   SUPFAM; SSF53613; Ribokinase-like; 1.
DR   SUPFAM; SSF64153; YjeF N-terminal domain-like; 1.
DR   TIGRFAMs; TIGR00196; yjeF_cterm; 1.
DR   TIGRFAMs; TIGR00197; yjeF_nterm; 1.
DR   PROSITE; PS51383; YJEF_C_3; 1.
DR   PROSITE; PS51385; YJEF_N; 1.
PE   3: Inferred from homology;
KW   ATP-binding {ECO:0000256|HAMAP-Rule:MF_01965,
KW   ECO:0000256|PIRNR:PIRNR017184};
KW   Isomerase {ECO:0000256|ARBA:ARBA00023235, ECO:0000256|HAMAP-Rule:MF_01966};
KW   Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_01965};
KW   Metal-binding {ECO:0000256|HAMAP-Rule:MF_01966,
KW   ECO:0000256|PIRNR:PIRNR017184};
KW   NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|HAMAP-Rule:MF_01965};
KW   NADP {ECO:0000256|ARBA:ARBA00022857, ECO:0000256|HAMAP-Rule:MF_01965};
KW   Nucleotide-binding {ECO:0000256|HAMAP-Rule:MF_01965,
KW   ECO:0000256|PIRNR:PIRNR017184};
KW   Potassium {ECO:0000256|HAMAP-Rule:MF_01966, ECO:0000256|PIRNR:PIRNR017184}.
FT   DOMAIN          9..224
FT                   /note="YjeF N-terminal"
FT                   /evidence="ECO:0000259|PROSITE:PS51385"
FT   BINDING         59..63
FT                   /ligand="(6S)-NADPHX"
FT                   /ligand_id="ChEBI:CHEBI:64076"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01966"
FT   BINDING         60
FT                   /ligand="K(+)"
FT                   /ligand_id="ChEBI:CHEBI:29103"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01966"
FT   BINDING         130
FT                   /ligand="K(+)"
FT                   /ligand_id="ChEBI:CHEBI:29103"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01966"
FT   BINDING         134..140
FT                   /ligand="(6S)-NADPHX"
FT                   /ligand_id="ChEBI:CHEBI:64076"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01966"
FT   BINDING         167
FT                   /ligand="(6S)-NADPHX"
FT                   /ligand_id="ChEBI:CHEBI:64076"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01966"
FT   BINDING         170
FT                   /ligand="K(+)"
FT                   /ligand_id="ChEBI:CHEBI:29103"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01966"
FT   BINDING         269
FT                   /ligand="(6S)-NADPHX"
FT                   /ligand_id="ChEBI:CHEBI:64076"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01965"
FT   BINDING         340
FT                   /ligand="(6S)-NADPHX"
FT                   /ligand_id="ChEBI:CHEBI:64076"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01965"
FT   BINDING         391
FT                   /ligand="(6S)-NADPHX"
FT                   /ligand_id="ChEBI:CHEBI:64076"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01965"
FT   BINDING         428..432
FT                   /ligand="AMP"
FT                   /ligand_id="ChEBI:CHEBI:456215"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01965"
FT   BINDING         457
FT                   /ligand="AMP"
FT                   /ligand_id="ChEBI:CHEBI:456215"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01965"
FT   BINDING         458
FT                   /ligand="(6S)-NADPHX"
FT                   /ligand_id="ChEBI:CHEBI:64076"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01965"
SQ   SEQUENCE   522 AA;  57115 MW;  3A6DCE6E999573CB CRC64;
     MKVVTGSEMQ ELDKVVINFL GISAEVLMER AGLGVAEKIL SYYPLERYRK VLIICGPGNN
     GGDGMVCARH LWDMDYEVKV LLLCKKEKYK GEALINLKIL ENLNLSLEEI KDLSVFKNLL
     YSYFPDILVD AIFGTGLKRS VEGVFKEVIE EINTYKEKKE AKVVAVDIPS GVCAETGQIL
     GTAVKADLTV TFELPKVGHF FYPGKEYVGK LEIVPIGFPK KIIEEKGPKR EYLDLNWAKI
     VFKPRRGYTH KGTFGHVVIL AGSRGKSGAG ALCALGALKG GAGLVTLAST KSLQKIYSSM
     IPEILTAGFE ENDKGEISYK NLMKILEIVK NKSVLVIGPG LGLSEEVKNL FFDLIPRLEI
     PLVIDADALT HLSENPEILK NYRAPKIITP HPGEAVRLLK VSKDEIMRDR LESAKRLSQL
     TDAIVVLKGP HSIVYSPDGR CGISSIDEPG LSQGGQGDIL SGLIGAFIAQ GYDPFIGTSL
     AVYLHGEAGK YLSKTLGPFG YTATEVAETV PKILKELKND RS
//