ID A0A022LQJ0_9MICO Unreviewed; 255 AA.
AC A0A022LQJ0;
DT 11-JUN-2014, integrated into UniProtKB/TrEMBL.
DT 11-JUN-2014, sequence version 1.
DT 24-JAN-2024, entry version 28.
DE RecName: Full=NAD(P)H-hydrate epimerase {ECO:0000256|HAMAP-Rule:MF_01966};
DE EC=5.1.99.6 {ECO:0000256|HAMAP-Rule:MF_01966};
DE AltName: Full=NAD(P)HX epimerase {ECO:0000256|HAMAP-Rule:MF_01966};
GN Name=nnrE {ECO:0000256|HAMAP-Rule:MF_01966};
GN ORFNames=H489_0105480 {ECO:0000313|EMBL:EYT65926.1};
OS Curtobacterium flaccumfaciens UCD-AKU.
OC Bacteria; Actinomycetota; Actinomycetes; Micrococcales; Microbacteriaceae;
OC Curtobacterium.
OX NCBI_TaxID=1292022 {ECO:0000313|EMBL:EYT65926.1, ECO:0000313|Proteomes:UP000019755};
RN [1] {ECO:0000313|EMBL:EYT65926.1, ECO:0000313|Proteomes:UP000019755}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=UCD-AKU {ECO:0000313|EMBL:EYT65926.1,
RC ECO:0000313|Proteomes:UP000019755};
RX PubMed=23682147;
RA Flanagan J.C., Lang J.M., Darling A.E., Eisen J.A., Coil D.A.;
RT "Draft Genome Sequence of Curtobacterium flaccumfaciens Strain UCD-AKU
RT (Phylum Actinobacteria).";
RL Genome Announc. 1:E00244-13(2013).
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|HAMAP-Rule:MF_01966};
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|HAMAP-Rule:MF_01966};
CC -!- COFACTOR:
CC Name=K(+); Xref=ChEBI:CHEBI:29103;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01966};
CC Note=Binds 1 potassium ion per subunit. {ECO:0000256|HAMAP-
CC Rule:MF_01966};
CC -!- SIMILARITY: Belongs to the NnrE/AIBP family. {ECO:0000256|HAMAP-
CC Rule:MF_01966}.
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:EYT65926.1}.
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DR EMBL; APJN01000021; EYT65926.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A022LQJ0; -.
DR HOGENOM; CLU_024853_0_2_11; -.
DR Proteomes; UP000019755; Unassembled WGS sequence.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
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:0000166; F:nucleotide binding; IEA:UniProtKB-KW.
DR Gene3D; 3.40.50.10260; YjeF N-terminal domain; 1.
DR HAMAP; MF_01966; NADHX_epimerase; 1.
DR InterPro; IPR004443; YjeF_N_dom.
DR InterPro; IPR036652; YjeF_N_dom_sf.
DR Pfam; PF03853; YjeF_N; 1.
DR SUPFAM; SSF64153; YjeF N-terminal domain-like; 1.
DR PROSITE; PS51385; YJEF_N; 1.
PE 3: Inferred from homology;
KW Isomerase {ECO:0000256|HAMAP-Rule:MF_01966};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_01966};
KW NAD {ECO:0000256|HAMAP-Rule:MF_01966};
KW NADP {ECO:0000256|HAMAP-Rule:MF_01966};
KW Nucleotide-binding {ECO:0000256|HAMAP-Rule:MF_01966};
KW Potassium {ECO:0000256|HAMAP-Rule:MF_01966}.
FT DOMAIN 1..248
FT /note="YjeF N-terminal"
FT /evidence="ECO:0000259|PROSITE:PS51385"
FT BINDING 61..65
FT /ligand="(6S)-NADPHX"
FT /ligand_id="ChEBI:CHEBI:64076"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01966"
FT BINDING 62
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01966"
FT BINDING 150
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01966"
FT BINDING 190
FT /ligand="(6S)-NADPHX"
FT /ligand_id="ChEBI:CHEBI:64076"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01966"
FT BINDING 193
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01966"
SQ SEQUENCE 255 AA; 25217 MW; 3FAC93704010512D CRC64;
MDGYGGDQIR AAERPHLDAG EPLMQRAAAG LARIVGDLLD DPAVRPVDGP GSVLVLAGSG
DNGGDALFAG ARLAAAGRHV AVLRVGSRVH AAGLAAALDA GARLLDGASG TSGPNAGGAA
DILRAAGRSD GERLAAVATE AALEADLVLD GILGIGVHGA TALRSPAREV VDAIRELARD
QRAPFVVAVD VPSGVDVDTG GVADDHVLHA DVTVTFGGVK AGLLTGPAAT LAGRIELVDV
GIGADLATME PLIRT
//