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Entry: A0A0F7KDW1_9PROT
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ID   A0A0F7KDW1_9PROT        Unreviewed;       268 AA.
AC   A0A0F7KDW1;
DT   22-JUL-2015, integrated into UniProtKB/TrEMBL.
DT   22-JUL-2015, sequence version 1.
DT   24-JAN-2024, entry version 36.
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   ORFNames=AAW31_14280 {ECO:0000313|EMBL:AKH38710.1}, BCL69_100298
GN   {ECO:0000313|EMBL:TYP94328.1}, SAMN05421882_100316
GN   {ECO:0000313|EMBL:SDW10354.1};
OS   Nitrosomonas communis.
OC   Bacteria; Pseudomonadota; Betaproteobacteria; Nitrosomonadales;
OC   Nitrosomonadaceae; Nitrosomonas.
OX   NCBI_TaxID=44574 {ECO:0000313|EMBL:AKH38710.1, ECO:0000313|Proteomes:UP000034156};
RN   [1] {ECO:0000313|Proteomes:UP000034156}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Nm2 {ECO:0000313|Proteomes:UP000034156};
RA   Kozlowski J.A., Kits K.D., Stein L.Y.;
RT   "Draft genome of Nitrosomonas communis strain Nm2.";
RL   Submitted (MAY-2015) to the EMBL/GenBank/DDBJ databases.
RN   [2] {ECO:0000313|EMBL:AKH38710.1, ECO:0000313|Proteomes:UP000034156}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Nm2 {ECO:0000313|EMBL:AKH38710.1,
RC   ECO:0000313|Proteomes:UP000034156};
RX   PubMed=26769932;
RA   Kozlowski J.A., Kits K.D., Stein L.Y.;
RT   "Genome Sequence of Nitrosomonas communis Strain Nm2, a Mesophilic Ammonia-
RT   Oxidizing Bacterium Isolated from Mediterranean Soil.";
RL   Genome Announc. 4:0-0(2016).
RN   [3] {ECO:0000313|EMBL:SDW10354.1, ECO:0000313|Proteomes:UP000183454}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Nm110 {ECO:0000313|EMBL:SDW10354.1,
RC   ECO:0000313|Proteomes:UP000183454};
RA   de Groot N.N.;
RL   Submitted (OCT-2016) to the EMBL/GenBank/DDBJ databases.
RN   [4] {ECO:0000313|EMBL:TYP94328.1, ECO:0000313|Proteomes:UP000324176}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Nm2 {ECO:0000313|EMBL:TYP94328.1,
RC   ECO:0000313|Proteomes:UP000324176};
RA   Wagner M.;
RT   "Active sludge and wastewater microbial communities from Klosterneuburg,
RT   Austria.";
RL   Submitted (JUL-2019) to the EMBL/GenBank/DDBJ databases.
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: 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; CP011451; AKH38710.1; -; Genomic_DNA.
DR   EMBL; FNNH01000003; SDW10354.1; -; Genomic_DNA.
DR   EMBL; VNHT01000002; TYP94328.1; -; Genomic_DNA.
DR   RefSeq; WP_046850746.1; NZ_VNHT01000002.1.
DR   AlphaFoldDB; A0A0F7KDW1; -.
DR   KEGG; nco:AAW31_14280; -.
DR   PATRIC; fig|44574.3.peg.3462; -.
DR   OrthoDB; 9790352at2; -.
DR   UniPathway; UPA00034; UER00018.
DR   Proteomes; UP000034156; Chromosome.
DR   Proteomes; UP000183454; Unassembled WGS sequence.
DR   Proteomes; UP000324176; 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   Reference proteome {ECO:0000313|Proteomes:UP000034156}.
FT   DOMAIN          5..126
FT                   /note="Dihydrodipicolinate reductase N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF01113"
FT   DOMAIN          129..265
FT                   /note="Dihydrodipicolinate reductase C-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF05173"
FT   ACT_SITE        156
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT   ACT_SITE        160
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         38
FT                   /ligand="NADP(+)"
FT                   /ligand_id="ChEBI:CHEBI:58349"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT   BINDING         99..101
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT   BINDING         123..126
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT   BINDING         157
FT                   /ligand="(S)-2,3,4,5-tetrahydrodipicolinate"
FT                   /ligand_id="ChEBI:CHEBI:16845"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT   BINDING         166..167
FT                   /ligand="(S)-2,3,4,5-tetrahydrodipicolinate"
FT                   /ligand_id="ChEBI:CHEBI:16845"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
SQ   SEQUENCE   268 AA;  28464 MW;  FDAA315DD3E8D99F CRC64;
     MTILNIAVAG STGRMGRVLL EMIAESSDMR LSAALDQKDN PFLMKDAGEL IGSPCGIPIK
     SDFVSALPGS DVLIDFTRPA GTLAHLAICR NAGIKMVIGT TGFSAAEKEV LKAASEDIAI
     VFAPNMSVGV NVMFKLLEVA ASKLLNDYDI EIVEAHHRHK VDAPSGTALR MGEVIAQTLN
     RDLTKVAVYG REGVTGERAA ETIGFATIRG GDIVGDHTAI FAGIGERIEI THKASSRKTF
     AVGALRAARF LATQRNGLFD MQDVLGLR
//
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