ID   A0A926Q4V6_9FLAO        Unreviewed;       520 AA.
AC   A0A926Q4V6;
DT   22-FEB-2023, integrated into UniProtKB/TrEMBL.
DT   22-FEB-2023, sequence version 1.
DT   27-NOV-2024, entry version 9.
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=nnrD {ECO:0000256|HAMAP-Rule:MF_01965};
GN   Synonyms=nnrE {ECO:0000256|HAMAP-Rule:MF_01966};
GN   ORFNames=IBL28_20695 {ECO:0000313|EMBL:MBC9798399.1};
OS   Sinomicrobium weinanense.
OC   Bacteria; Bacteroidota; Flavobacteriia; Flavobacteriales;
OC   Flavobacteriaceae; Sinomicrobium.
OX   NCBI_TaxID=2842200 {ECO:0000313|EMBL:MBC9798399.1, ECO:0000313|Proteomes:UP000653730};
RN   [1] {ECO:0000313|EMBL:MBC9798399.1, ECO:0000313|Proteomes:UP000653730}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=FJxs {ECO:0000313|EMBL:MBC9798399.1,
RC   ECO:0000313|Proteomes:UP000653730};
RA   Wu P., Ren H., Mei Y., Liang Y., Chen Z.;
RT   "Sinomicrobium weinanense sp. nov., a halophilic bacteria isolated from
RT   saline-alkali soil.";
RL   Submitted (SEP-2020) 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 + phosphate + NADH + H(+);
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 + phosphate + NADPH + H(+);
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:MBC9798399.1}.
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DR   EMBL; JACVDC010000112; MBC9798399.1; -; Genomic_DNA.
DR   Proteomes; UP000653730; 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:TreeGrafter.
DR   GO; GO:0110051; P:metabolite repair; IEA:TreeGrafter.
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; IPR017953; Carbohydrate_kinase_pred_CS.
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   NCBIfam; TIGR00196; yjeF_cterm; 1.
DR   NCBIfam; TIGR00197; yjeF_nterm; 1.
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   PROSITE; PS01050; YJEF_C_2; 1.
DR   PROSITE; PS51383; YJEF_C_3; 1.
DR   PROSITE; PS51385; YJEF_N; 1.
PE   3: Inferred from homology;
KW   ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW   Rule:MF_01965};
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|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW   Rule:MF_01966}; Multifunctional enzyme {ECO:0000256|ARBA:ARBA00023268};
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|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW   Rule:MF_01965};
KW   Potassium {ECO:0000256|ARBA:ARBA00022958, ECO:0000256|HAMAP-Rule:MF_01966};
KW   Reference proteome {ECO:0000313|Proteomes:UP000653730}.
FT   DOMAIN          9..219
FT                   /note="YjeF N-terminal"
FT                   /evidence="ECO:0000259|PROSITE:PS51385"
FT   DOMAIN          229..501
FT                   /note="YjeF C-terminal"
FT                   /evidence="ECO:0000259|PROSITE:PS51383"
FT   BINDING         58..62
FT                   /ligand="(6S)-NADPHX"
FT                   /ligand_id="ChEBI:CHEBI:64076"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01966"
FT   BINDING         59
FT                   /ligand="K(+)"
FT                   /ligand_id="ChEBI:CHEBI:29103"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01966"
FT   BINDING         128
FT                   /ligand="K(+)"
FT                   /ligand_id="ChEBI:CHEBI:29103"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01966"
FT   BINDING         132..138
FT                   /ligand="(6S)-NADPHX"
FT                   /ligand_id="ChEBI:CHEBI:64076"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01966"
FT   BINDING         161
FT                   /ligand="(6S)-NADPHX"
FT                   /ligand_id="ChEBI:CHEBI:64076"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01966"
FT   BINDING         164
FT                   /ligand="K(+)"
FT                   /ligand_id="ChEBI:CHEBI:29103"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01966"
FT   BINDING         264
FT                   /ligand="(6S)-NADPHX"
FT                   /ligand_id="ChEBI:CHEBI:64076"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01965"
FT   BINDING         327
FT                   /ligand="(6S)-NADPHX"
FT                   /ligand_id="ChEBI:CHEBI:64076"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01965"
FT   BINDING         378
FT                   /ligand="(6S)-NADPHX"
FT                   /ligand_id="ChEBI:CHEBI:64076"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01965"
FT   BINDING         413..417
FT                   /ligand="AMP"
FT                   /ligand_id="ChEBI:CHEBI:456215"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01965"
FT   BINDING         441
FT                   /ligand="AMP"
FT                   /ligand_id="ChEBI:CHEBI:456215"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01965"
FT   BINDING         442
FT                   /ligand="(6S)-NADPHX"
FT                   /ligand_id="ChEBI:CHEBI:64076"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01965"
SQ   SEQUENCE   520 AA;  56329 MW;  58984CC16B7D229C CRC64;
     MNIFSLEQIR EADRLTILNQ NITSDALMER AGTRVFEWLD GRLQGNPVLI HVFCGIGNNG
     GDGLVIARLL LESGYKVKSY IVDFSEKRSK DFLLNLDRIK SLKHWPEHFG GEKGEELPQL
     KPEDIIVDAI FGVGLNRPAS GWVGKLIDHI NASGAFVLSV DMPSGLSMHV APKTDAPVIQ
     ANHTLTFQSP KLAFFLPGSG VYTDSWEAVD IGLDAAYLQS VEPEAVLIGK QEALSLYIPR
     KKFSHKGTYG HALVIGGSYG KVGAVYLAGK ACLSVGAGLL TTYLPKCGYP VLQTALPEGM
     VLTDVNEDHI STIAFDLKPT VIGIGVGLGR HRATVDAFKA FLRKNTSPLV VDADALNILS
     ENHDLLELLP LESVLTPHPK ELERLIGSWK DDFEKLEKSR QFAGKYNLIL VIKGAHTTTI
     HKDRIYVNST GNPGMATGGS GDVLTGMITG LISQGYTALY AAVFGVYLHG KAGDIAVSGM
     GYEALTATGI IDHIGNAFMD LFAREEHLPP EKEEEDPEKG
//