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Database: UniProt
Entry: N0E4T5_9MICO
LinkDB: N0E4T5_9MICO
Original site: N0E4T5_9MICO 
ID   N0E4T5_9MICO            Unreviewed;       247 AA.
AC   N0E4T5;
DT   26-JUN-2013, integrated into UniProtKB/TrEMBL.
DT   26-JUN-2013, sequence version 1.
DT   24-JAN-2024, entry version 52.
DE   RecName: Full=4-hydroxy-tetrahydrodipicolinate reductase {ECO:0000256|ARBA:ARBA00038983, ECO:0000256|HAMAP-Rule:MF_00102};
DE            Short=HTPA reductase {ECO:0000256|HAMAP-Rule:MF_00102};
DE            EC=1.17.1.8 {ECO:0000256|ARBA:ARBA00038983, ECO:0000256|HAMAP-Rule:MF_00102};
GN   Name=dapB {ECO:0000256|HAMAP-Rule:MF_00102,
GN   ECO:0000313|EMBL:CCH70925.1};
GN   ORFNames=BN10_720004 {ECO:0000313|EMBL:CCH70925.1};
OS   Phycicoccus elongatus Lp2.
OC   Bacteria; Actinomycetota; Actinomycetes; Micrococcales; Intrasporangiaceae;
OC   Phycicoccus.
OX   NCBI_TaxID=1193181 {ECO:0000313|EMBL:CCH70925.1, ECO:0000313|Proteomes:UP000013167};
RN   [1] {ECO:0000313|EMBL:CCH70925.1, ECO:0000313|Proteomes:UP000013167}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Lp2 {ECO:0000313|EMBL:CCH70925.1,
RC   ECO:0000313|Proteomes:UP000013167};
RX   PubMed=23178666; DOI=10.1038/ismej.2012.136;
RA   Kristiansen R., Nguyen H.T.T., Saunders A.M., Nielsen J.L., Wimmer R.,
RA   Le V.Q., McIlroy S.J., Petrovski S., Seviour R.J., Calteau A.,
RA   Nielsen K.L., Nielsen P.H.;
RT   "A metabolic model for members of the genus Tetrasphaera involved in
RT   enhanced biological phosphorus removal.";
RL   ISME J. 7:543-554(2013).
CC   -!- FUNCTION: Catalyzes the conversion of 4-hydroxy-tetrahydrodipicolinate
CC       (HTPA) to tetrahydrodipicolinate. {ECO:0000256|HAMAP-Rule:MF_00102}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(S)-2,3,4,5-tetrahydrodipicolinate + H2O + NAD(+) = (2S,4S)-4-
CC         hydroxy-2,3,4,5-tetrahydrodipicolinate + H(+) + NADH;
CC         Xref=Rhea:RHEA:35323, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:16845, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945,
CC         ChEBI:CHEBI:67139; EC=1.17.1.8;
CC         Evidence={ECO:0000256|ARBA:ARBA00036290, ECO:0000256|HAMAP-
CC         Rule:MF_00102};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(S)-2,3,4,5-tetrahydrodipicolinate + H2O + NADP(+) = (2S,4S)-
CC         4-hydroxy-2,3,4,5-tetrahydrodipicolinate + H(+) + NADPH;
CC         Xref=Rhea:RHEA:35331, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:16845, ChEBI:CHEBI:57783, ChEBI:CHEBI:58349,
CC         ChEBI:CHEBI:67139; EC=1.17.1.8;
CC         Evidence={ECO:0000256|ARBA:ARBA00036097, ECO:0000256|HAMAP-
CC         Rule:MF_00102};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-lysine biosynthesis via DAP
CC       pathway; (S)-tetrahydrodipicolinate from L-aspartate: step 4/4.
CC       {ECO:0000256|ARBA:ARBA00037922, ECO:0000256|HAMAP-Rule:MF_00102}.
CC   -!- SUBUNIT: Homotetramer. {ECO:0000256|HAMAP-Rule:MF_00102}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00102}.
CC   -!- SIMILARITY: Belongs to the DapB family. {ECO:0000256|ARBA:ARBA00006642,
CC       ECO:0000256|HAMAP-Rule:MF_00102}.
CC   -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC       feature annotation. {ECO:0000256|HAMAP-Rule:MF_00102}.
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:CCH70925.1}.
CC   -!- CAUTION: Was originally thought to be a dihydrodipicolinate reductase
CC       (DHDPR), catalyzing the conversion of dihydrodipicolinate to
CC       tetrahydrodipicolinate. However, it was shown in E.coli that the
CC       substrate of the enzymatic reaction is not dihydrodipicolinate (DHDP)
CC       but in fact (2S,4S)-4-hydroxy-2,3,4,5-tetrahydrodipicolinic acid
CC       (HTPA), the product released by the DapA-catalyzed reaction.
CC       {ECO:0000256|HAMAP-Rule:MF_00102}.
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DR   EMBL; CAIZ01000144; CCH70925.1; -; Genomic_DNA.
DR   RefSeq; WP_010850761.1; NZ_HF570956.1.
DR   AlphaFoldDB; N0E4T5; -.
DR   STRING; 1193181.BN10_720004; -.
DR   eggNOG; COG0289; Bacteria.
DR   HOGENOM; CLU_047479_0_1_11; -.
DR   OrthoDB; 9790352at2; -.
DR   UniPathway; UPA00034; UER00018.
DR   Proteomes; UP000013167; Unassembled WGS sequence.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0008839; F:4-hydroxy-tetrahydrodipicolinate reductase; IEA:UniProtKB-EC.
DR   GO; GO:0051287; F:NAD binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0050661; F:NADP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0016726; F:oxidoreductase activity, acting on CH or CH2 groups, NAD or NADP as acceptor; IEA:UniProtKB-UniRule.
DR   GO; GO:0019877; P:diaminopimelate biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0009089; P:lysine biosynthetic process via diaminopimelate; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 1.
DR   HAMAP; MF_00102; DapB; 1.
DR   InterPro; IPR022663; DapB_C.
DR   InterPro; IPR000846; DapB_N.
DR   InterPro; IPR022664; DapB_N_CS.
DR   InterPro; IPR023940; DHDPR_bac.
DR   InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR   NCBIfam; TIGR00036; dapB; 1.
DR   PANTHER; PTHR20836:SF0; 4-HYDROXY-TETRAHYDRODIPICOLINATE REDUCTASE 1, CHLOROPLASTIC-RELATED; 1.
DR   PANTHER; PTHR20836; DIHYDRODIPICOLINATE REDUCTASE; 1.
DR   Pfam; PF05173; DapB_C; 1.
DR   Pfam; PF01113; DapB_N; 1.
DR   PIRSF; PIRSF000161; DHPR; 1.
DR   SUPFAM; SSF55347; Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain; 1.
DR   SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 1.
DR   PROSITE; PS01298; DAPB; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW   Rule:MF_00102};
KW   Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00102};
KW   Diaminopimelate biosynthesis {ECO:0000256|ARBA:ARBA00022915,
KW   ECO:0000256|HAMAP-Rule:MF_00102};
KW   Lysine biosynthesis {ECO:0000256|ARBA:ARBA00023154, ECO:0000256|HAMAP-
KW   Rule:MF_00102};
KW   NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|HAMAP-Rule:MF_00102};
KW   NADP {ECO:0000256|HAMAP-Rule:MF_00102};
KW   Oxidoreductase {ECO:0000256|HAMAP-Rule:MF_00102,
KW   ECO:0000313|EMBL:CCH70925.1};
KW   Reference proteome {ECO:0000313|Proteomes:UP000013167}.
FT   DOMAIN          5..106
FT                   /note="Dihydrodipicolinate reductase N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF01113"
FT   DOMAIN          109..244
FT                   /note="Dihydrodipicolinate reductase C-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF05173"
FT   ACT_SITE        133
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT   ACT_SITE        137
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT   BINDING         10..15
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT   BINDING         39
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT   BINDING         76..78
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT   BINDING         103..106
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT   BINDING         134
FT                   /ligand="(S)-2,3,4,5-tetrahydrodipicolinate"
FT                   /ligand_id="ChEBI:CHEBI:16845"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT   BINDING         143..144
FT                   /ligand="(S)-2,3,4,5-tetrahydrodipicolinate"
FT                   /ligand_id="ChEBI:CHEBI:16845"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
SQ   SEQUENCE   247 AA;  25446 MW;  0C57074275E4F5E3 CRC64;
     MSNTRVAVIG AAGRMGATVC AAVEGADDLE LVGRYDAGDD LGDLGGADVV VEFTVPASSP
     ANVRRALALG ADVVVGTTGW SSERVAALEA DLAGFPGRGV LIAPNFAIGA ILMMEFARKA
     AAFYESVEVI ELHHPNKVDA PSGTAARTSA LIAAARTEAG LPAVPDATTD DPDGARGARV
     DGIPTHAVRL RGLVAHQEVL FGGEGEMLTI RHDSFDRVCF MPGVLTAVRR IGDHPGVTVG
     LEHYLGL
//
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