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Database: UniProt
Entry: C8N7S6_CARH6
LinkDB: C8N7S6_CARH6
Original site: C8N7S6_CARH6 
ID   C8N7S6_CARH6            Unreviewed;       266 AA.
AC   C8N7S6;
DT   03-NOV-2009, integrated into UniProtKB/TrEMBL.
DT   03-NOV-2009, sequence version 1.
DT   08-MAY-2019, entry version 60.
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   ECO:0000313|EMBL:EEV89324.1};
GN   ORFNames=HMPREF0198_0553 {ECO:0000313|EMBL:EEV89324.1};
OS   Cardiobacterium hominis (strain ATCC 15826 / DSM 8339 / NCTC 10426 /
OS   6573).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Cardiobacteriales;
OC   Cardiobacteriaceae; Cardiobacterium.
OX   NCBI_TaxID=638300 {ECO:0000313|EMBL:EEV89324.1, ECO:0000313|Proteomes:UP000004870};
RN   [1] {ECO:0000313|EMBL:EEV89324.1, ECO:0000313|Proteomes:UP000004870}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 15826 / DSM 8339 / NCTC 10426 / 6573
RC   {ECO:0000313|Proteomes:UP000004870};
RA   Qin X., Bachman B., Battles P., Bell A., Bess C., Bickham C.,
RA   Chaboub L., Chen D., Coyle M., Deiros D.R., Dinh H., Forbes L.,
RA   Fowler G., Francisco L., Fu Q., Gubbala S., Hale W., Han Y.,
RA   Hemphill L., Highlander S.K., Hirani K., Hogues M., Jackson L.,
RA   Jakkamsetti A., Javaid M., Jiang H., Korchina V., Kovar C., Lara F.,
RA   Lee S., Mata R., Mathew T., Moen C., Morales K., Munidasa M.,
RA   Nazareth L., Ngo R., Nguyen L., Okwuonu G., Ongeri F., Patil S.,
RA   Petrosino J., Pham C., Pham P., Pu L.-L., Puazo M., Raj R., Reid J.,
RA   Rouhana J., Saada N., Shang Y., Simmons D., Thornton R., Warren J.,
RA   Weissenberger G., Zhang J., Zhang L., Zhou C., Zhu D., Muzny D.,
RA   Worley K., Gibbs R.;
RL   Submitted (AUG-2009) 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: Lacks conserved residue(s) required for the propagation
CC       of feature annotation. {ECO:0000256|HAMAP-Rule:MF_00102}.
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:EEV89324.1}.
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; ACKY01000024; EEV89324.1; -; Genomic_DNA.
DR   RefSeq; WP_004139804.1; NZ_GG694025.1.
DR   EnsemblBacteria; EEV89324; EEV89324; HMPREF0198_0553.
DR   eggNOG; ENOG4105DUK; Bacteria.
DR   eggNOG; COG0289; LUCA.
DR   OMA; RESFMPG; -.
DR   OrthoDB; 803114at2; -.
DR   BioCyc; GCF_000160655-HMP:HMPREF0198_RS02685-MONOMER; -.
DR   UniPathway; UPA00034; UER00018.
DR   Proteomes; UP000004870; 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:UP000004870};
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, ECO:0000313|EMBL:EEV89324.1};
KW   Reference proteome {ECO:0000313|Proteomes:UP000004870}.
FT   DOMAIN        1    124       DapB_N. {ECO:0000259|Pfam:PF01113}.
FT   DOMAIN      128    262       DapB_C. {ECO:0000259|Pfam:PF05173}.
FT   NP_BIND       7     12       NAD(P). {ECO:0000256|HAMAP-Rule:
FT                                MF_00102}.
FT   NP_BIND      98    100       NAD(P). {ECO:0000256|HAMAP-Rule:
FT                                MF_00102}.
FT   NP_BIND     122    125       NAD(P). {ECO:0000256|HAMAP-Rule:
FT                                MF_00102}.
FT   REGION      166    167       Substrate binding. {ECO:0000256|HAMAP-
FT                                Rule:MF_00102}.
FT   ACT_SITE    156    156       Proton donor/acceptor.
FT                                {ECO:0000256|HAMAP-Rule:MF_00102}.
FT   ACT_SITE    160    160       Proton donor. {ECO:0000256|HAMAP-Rule:
FT                                MF_00102}.
FT   BINDING      34     34       NADP. {ECO:0000256|HAMAP-Rule:MF_00102}.
FT   BINDING     157    157       Substrate. {ECO:0000256|HAMAP-Rule:
FT                                MF_00102}.
SQ   SEQUENCE   266 AA;  29179 MW;  335C649C00606299 CRC64;
     MKIGIHGING KMGLAIAHEI MAHPDLELGA ASVRNGHEWA GKRLCDVAPD LPDCTVRITS
     NLDQFCAAVD VVVDFTRPDA TLAILPVCQK LKKPLMIGTT GFNQDATAWI HRAAQHIPLV
     LAANTSLGVN ILFEVSRRVA EVLDFQHWDV DILEAHHRNK VDAPSGTALR LGEMIAAAQD
     SDFDERKRYP YVNRRKTGDI GFSVVRAGDV IGEHTVFFTA DDERLEFTHR ASNRRIFARG
     ALTAASWLGD RPAGLYSMAD VLGFTS
//
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