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Database: UniProt
Entry: D8LL91_ECTSI
LinkDB: D8LL91_ECTSI
Original site: D8LL91_ECTSI 
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
//
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