ID D8LL91_ECTSI Unreviewed; 256 AA.
AC D8LL91;
DT 05-OCT-2010, integrated into UniProtKB/TrEMBL.
DT 05-OCT-2010, sequence version 1.
DT 24-JAN-2024, entry version 52.
DE RecName: Full=NAD(P)H-hydrate epimerase {ECO:0000256|ARBA:ARBA00012228, ECO:0000256|HAMAP-Rule:MF_03159};
DE EC=5.1.99.6 {ECO:0000256|ARBA:ARBA00012228, ECO:0000256|HAMAP-Rule:MF_03159};
DE AltName: Full=NAD(P)HX epimerase {ECO:0000256|HAMAP-Rule:MF_03159};
GN ORFNames=Esi_0036_0012 {ECO:0000313|EMBL:CBN77089.1};
OS Ectocarpus siliculosus (Brown alga) (Conferva siliculosa).
OC Eukaryota; Sar; Stramenopiles; Ochrophyta; PX clade; Phaeophyceae;
OC Ectocarpales; Ectocarpaceae; Ectocarpus.
OX NCBI_TaxID=2880 {ECO:0000313|EMBL:CBN77089.1, ECO:0000313|Proteomes:UP000002630};
RN [1] {ECO:0000313|EMBL:CBN77089.1, ECO:0000313|Proteomes:UP000002630}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Ec32 / CCAP1310/4 {ECO:0000313|Proteomes:UP000002630};
RX PubMed=20520714; DOI=10.1038/nature09016;
RA Cock J.M., Sterck L., Rouze P., Scornet D., Allen A.E., Amoutzias G.,
RA Anthouard V., Artiguenave F., Aury J.M., Badger J.H., Beszteri B.,
RA Billiau K., Bonnet E., Bothwell J.H., Bowler C., Boyen C., Brownlee C.,
RA Carrano C.J., Charrier B., Cho G.Y., Coelho S.M., Collen J., Corre E.,
RA Da Silva C., Delage L., Delaroque N., Dittami S.M., Doulbeau S., Elias M.,
RA Farnham G., Gachon C.M., Gschloessl B., Heesch S., Jabbari K., Jubin C.,
RA Kawai H., Kimura K., Kloareg B., Kupper F.C., Lang D., Le Bail A.,
RA Leblanc C., Lerouge P., Lohr M., Lopez P.J., Martens C., Maumus F.,
RA Michel G., Miranda-Saavedra D., Morales J., Moreau H., Motomura T.,
RA Nagasato C., Napoli C.A., Nelson D.R., Nyvall-Collen P., Peters A.F.,
RA Pommier C., Potin P., Poulain J., Quesneville H., Read B., Rensing S.A.,
RA Ritter A., Rousvoal S., Samanta M., Samson G., Schroeder D.C., Segurens B.,
RA Strittmatter M., Tonon T., Tregear J.W., Valentin K., von Dassow P.,
RA Yamagishi T., Van de Peer Y., Wincker P.;
RT "The Ectocarpus genome and the independent evolution of multicellularity in
RT brown algae.";
RL Nature 465:617-621(2010).
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_03159}.
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_03159};
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_03159};
CC -!- COFACTOR:
CC Name=K(+); Xref=ChEBI:CHEBI:29103;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_03159};
CC Note=Binds 1 potassium ion per subunit. {ECO:0000256|HAMAP-
CC Rule:MF_03159};
CC -!- SIMILARITY: Belongs to the NnrE/AIBP family. {ECO:0000256|HAMAP-
CC Rule:MF_03159}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_03159}.
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DR EMBL; FN648553; CBN77089.1; -; Genomic_DNA.
DR AlphaFoldDB; D8LL91; -.
DR STRING; 2880.D8LL91; -.
DR EnsemblProtists; CBN77089; CBN77089; Esi_0036_0012.
DR eggNOG; KOG2585; Eukaryota.
DR InParanoid; D8LL91; -.
DR OMA; TIYYPKP; -.
DR OrthoDB; 1493at2759; -.
DR Proteomes; UP000002630; Chromosome LG20.
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 InterPro; IPR032976; YJEFN_prot_NAXE-like.
DR NCBIfam; TIGR00197; yjeF_nterm; 1.
DR PANTHER; PTHR13232; NAD(P)H-HYDRATE EPIMERASE; 1.
DR PANTHER; PTHR13232:SF10; NAD(P)H-HYDRATE EPIMERASE; 1.
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|ARBA:ARBA00023235, ECO:0000256|HAMAP-Rule:MF_03159};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_03159};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|HAMAP-Rule:MF_03159};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_03159};
KW Potassium {ECO:0000256|ARBA:ARBA00022958, ECO:0000256|HAMAP-Rule:MF_03159};
KW Reference proteome {ECO:0000313|Proteomes:UP000002630}.
FT DOMAIN 21..226
FT /note="YjeF N-terminal"
FT /evidence="ECO:0000259|PROSITE:PS51385"
FT BINDING 69..73
FT /ligand="(6S)-NADPHX"
FT /ligand_id="ChEBI:CHEBI:64076"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03159"
FT BINDING 70
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03159"
FT BINDING 133
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03159"
FT BINDING 137..143
FT /ligand="(6S)-NADPHX"
FT /ligand_id="ChEBI:CHEBI:64076"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03159"
FT BINDING 167
FT /ligand="(6S)-NADPHX"
FT /ligand_id="ChEBI:CHEBI:64076"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03159"
FT BINDING 170
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03159"
SQ SEQUENCE 256 AA; 27386 MW; 66B4F97B3A1322AC CRC64;
MASSQPPPSS SGISLLTAED SAALDADLMS TPGFSIDQLM ELAGLSVACA IAKVYPPPSR
VLIVCGPGNN GGDGLVAARH LWQFGYRPTC LYPKPTARQL FTNLVEQCKQ LDIEFLPSWE
AAGDLGSYDV VLDAMFGFGF KGDPRPPFDT ILKDLSKSGA TPVVSVDVPS GWSVDEGDSK
GGGLKPEMLI SLTAPKLSAR FFEGPHHFLG GRFVPPGIAS KYSLELPAYP GSEQCVRLEE
WGQQRRTKQP QEPCEG
//