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Database: UniProt
Entry: N9GTA6_ACIHA
LinkDB: N9GTA6_ACIHA
Original site: N9GTA6_ACIHA 
ID   N9GTA6_ACIHA            Unreviewed;       273 AA.
AC   N9GTA6;
DT   26-JUN-2013, integrated into UniProtKB/TrEMBL.
DT   26-JUN-2013, sequence version 1.
DT   08-MAY-2019, entry version 37.
DE   RecName: Full=4-hydroxy-tetrahydrodipicolinate reductase {ECO:0000256|HAMAP-Rule:MF_00102, ECO:0000256|SAAS:SAAS01081423};
DE            Short=HTPA reductase {ECO:0000256|HAMAP-Rule:MF_00102};
DE            EC=1.17.1.8 {ECO:0000256|HAMAP-Rule:MF_00102, ECO:0000256|SAAS:SAAS01081445};
GN   Name=dapB {ECO:0000256|HAMAP-Rule:MF_00102};
GN   ORFNames=F927_00955 {ECO:0000313|EMBL:ENW20471.1};
OS   Acinetobacter haemolyticus CIP 64.3.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Moraxellaceae; Acinetobacter.
OX   NCBI_TaxID=1217659 {ECO:0000313|EMBL:ENW20471.1, ECO:0000313|Proteomes:UP000017667};
RN   [1] {ECO:0000313|EMBL:ENW20471.1, ECO:0000313|Proteomes:UP000017667}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CIP 64.3 {ECO:0000313|EMBL:ENW20471.1,
RC   ECO:0000313|Proteomes:UP000017667};
RG   The Broad Institute Genome Sequencing Platform;
RG   The Broad Institute Genome Sequencing Center for Infectious Disease;
RA   Cerqueira G., Feldgarden M., Courvalin P., Perichon B.,
RA   Grillot-Courvalin C., Clermont D., Rocha E., Yoon E.-J., Nemec A.,
RA   Walker B., Young S.K., Zeng Q., Gargeya S., Fitzgerald M., Haas B.,
RA   Abouelleil A., Alvarado L., Arachchi H.M., Berlin A.M., Chapman S.B.,
RA   Dewar J., Goldberg J., Griggs A., Gujja S., Hansen M., Howarth C.,
RA   Imamovic A., Larimer J., McCowan C., Murphy C., Neiman D., Pearson M.,
RA   Priest M., Roberts A., Saif S., Shea T., Sisk P., Sykes S.,
RA   Wortman J., Nusbaum C., Birren B.;
RT   "The Genome Sequence of Acinetobacter haemolyticus CIP 64.3.";
RL   Submitted (FEB-2013) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the conversion of 4-hydroxy-
CC       tetrahydrodipicolinate (HTPA) to tetrahydrodipicolinate.
CC       {ECO:0000256|HAMAP-Rule:MF_00102, ECO:0000256|SAAS:SAAS01081415}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(S)-2,3,4,5-tetrahydrodipicolinate + H2O + NAD(+) =
CC         (2S,4S)-4-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; Evidence={ECO:0000256|HAMAP-
CC         Rule:MF_00102, ECO:0000256|SAAS:SAAS01117954};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(S)-2,3,4,5-tetrahydrodipicolinate + H2O + NADP(+) =
CC         (2S,4S)-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; Evidence={ECO:0000256|HAMAP-
CC         Rule:MF_00102, ECO:0000256|SAAS:SAAS01117970};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-lysine biosynthesis via DAP
CC       pathway; (S)-tetrahydrodipicolinate from L-aspartate: step 4/4.
CC       {ECO:0000256|HAMAP-Rule:MF_00102, ECO:0000256|SAAS:SAAS01081412}.
CC   -!- SUBUNIT: Homotetramer. {ECO:0000256|HAMAP-Rule:MF_00102}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00102,
CC       ECO:0000256|SAAS:SAAS01081435}.
CC   -!- SIMILARITY: Belongs to the DapB family. {ECO:0000256|HAMAP-
CC       Rule:MF_00102, ECO:0000256|SAAS:SAAS01081404}.
CC   -!- CAUTION: The sequence shown here is derived from an
CC       EMBL/GenBank/DDBJ whole genome shotgun (WGS) entry which is
CC       preliminary data. {ECO:0000313|EMBL:ENW20471.1}.
CC   -!- CAUTION: Was originally thought to be a dihydrodipicolinate
CC       reductase (DHDPR), catalyzing the conversion of
CC       dihydrodipicolinate to tetrahydrodipicolinate. However, it was
CC       shown in E.coli that the substrate of the enzymatic reaction is
CC       not dihydrodipicolinate (DHDP) but in fact (2S,4S)-4-hydroxy-
CC       2,3,4,5-tetrahydrodipicolinic acid (HTPA), the product released by
CC       the DapA-catalyzed reaction. {ECO:0000256|HAMAP-Rule:MF_00102}.
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DR   EMBL; APQQ01000012; ENW20471.1; -; Genomic_DNA.
DR   RefSeq; WP_004637269.1; NZ_KB849812.1.
DR   EnsemblBacteria; ENW20471; ENW20471; F927_00955.
DR   PATRIC; fig|1217659.3.peg.935; -.
DR   UniPathway; UPA00034; UER00018.
DR   Proteomes; UP000017667; 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   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   PANTHER; PTHR20836; PTHR20836; 1.
DR   Pfam; PF05173; DapB_C; 1.
DR   Pfam; PF01113; DapB_N; 1.
DR   PIRSF; PIRSF000161; DHPR; 1.
DR   SUPFAM; SSF51735; SSF51735; 1.
DR   TIGRFAMs; TIGR00036; dapB; 1.
DR   PROSITE; PS01298; DAPB; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis {ECO:0000256|HAMAP-Rule:MF_00102,
KW   ECO:0000256|SAAS:SAAS01081390};
KW   Complete proteome {ECO:0000313|Proteomes:UP000017667};
KW   Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00102,
KW   ECO:0000256|SAAS:SAAS01081408};
KW   Diaminopimelate biosynthesis {ECO:0000256|HAMAP-Rule:MF_00102,
KW   ECO:0000256|SAAS:SAAS01081418};
KW   Lysine biosynthesis {ECO:0000256|HAMAP-Rule:MF_00102,
KW   ECO:0000256|SAAS:SAAS01081406};
KW   NAD {ECO:0000256|HAMAP-Rule:MF_00102, ECO:0000256|SAAS:SAAS01081420};
KW   NADP {ECO:0000256|HAMAP-Rule:MF_00102, ECO:0000256|SAAS:SAAS00333002};
KW   Oxidoreductase {ECO:0000256|HAMAP-Rule:MF_00102,
KW   ECO:0000256|SAAS:SAAS00333034}.
FT   DOMAIN        6    127       DapB_N. {ECO:0000259|Pfam:PF01113}.
FT   DOMAIN      130    266       DapB_C. {ECO:0000259|Pfam:PF05173}.
FT   NP_BIND      11     16       NAD(P). {ECO:0000256|HAMAP-Rule:
FT                                MF_00102}.
FT   NP_BIND     100    102       NAD(P). {ECO:0000256|HAMAP-Rule:
FT                                MF_00102}.
FT   NP_BIND     124    127       NAD(P). {ECO:0000256|HAMAP-Rule:
FT                                MF_00102}.
FT   REGION      167    168       Substrate binding. {ECO:0000256|HAMAP-
FT                                Rule:MF_00102}.
FT   ACT_SITE    157    157       Proton donor/acceptor.
FT                                {ECO:0000256|HAMAP-Rule:MF_00102}.
FT   ACT_SITE    161    161       Proton donor. {ECO:0000256|HAMAP-Rule:
FT                                MF_00102}.
FT   BINDING      36     36       NAD. {ECO:0000256|HAMAP-Rule:MF_00102}.
FT   BINDING      37     37       NADP. {ECO:0000256|HAMAP-Rule:MF_00102}.
FT   BINDING     158    158       Substrate. {ECO:0000256|HAMAP-Rule:
FT                                MF_00102}.
SQ   SEQUENCE   273 AA;  28999 MW;  7484235211BC41A9 CRC64;
     MSTSPRIGIL GAGGRMGRIL IQAVQQAGYQ LAAAVERPES SLVGADAGEL AGIGNIGVKV
     VGSLSEVLKD CDVVIDFTAP VATEQHLKLC REAGVAMVIG TTGMSDEQKA FLDETATHTP
     VVYAANYSVG VNVSIKLLEL AAKVFGDTVD IEIIEAHHRH KVDAPSGTAF MMGEAIADTL
     GRNLKEVAVY GREGYTGPRD RQTIGFETIR GGDIVGEHTV MFIGEGERVE VTHKATNRMN
     FAAGAVRAAA WVVGRKAQKY DMKDVLGFNE IEV
//
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