ID A0A926Q4V6_9FLAO Unreviewed; 520 AA. AC A0A926Q4V6; DT 22-FEB-2023, integrated into UniProtKB/TrEMBL. DT 22-FEB-2023, sequence version 1. DT 08-NOV-2023, entry version 5. 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 + 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:MBC9798399.1}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- 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: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|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|ARBA:ARBA00022741, ECO:0000256|HAMAP- KW Rule:MF_01965}; KW Potassium {ECO:0000256|HAMAP-Rule:MF_01966, ECO:0000256|PIRNR:PIRNR017184}; 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 //