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Database: UniProt
Entry: I2BCY3_SHIBC
LinkDB: I2BCY3_SHIBC
Original site: I2BCY3_SHIBC 
ID   I2BCY3_SHIBC            Unreviewed;       273 AA.
AC   I2BCY3; K6US54;
DT   11-JUL-2012, integrated into UniProtKB/TrEMBL.
DT   11-JUL-2012, sequence version 1.
DT   24-JAN-2024, entry version 67.
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:AFJ48387.1};
GN   OrderedLocusNames=EBL_c33240 {ECO:0000313|EMBL:AFJ48387.1};
OS   Shimwellia blattae (strain ATCC 29907 / DSM 4481 / JCM 1650 / NBRC 105725 /
OS   CDC 9005-74) (Escherichia blattae).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Shimwellia.
OX   NCBI_TaxID=630626 {ECO:0000313|EMBL:AFJ48387.1, ECO:0000313|Proteomes:UP000001955};
RN   [1] {ECO:0000313|EMBL:AFJ48387.1, ECO:0000313|Proteomes:UP000001955}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29907 / DSM 4481 / JCM 1650 / NBRC 105725 / CDC 9005-74
RC   {ECO:0000313|Proteomes:UP000001955};
RX   PubMed=22843577; DOI=10.1128/JB.00829-12;
RA   Brzuszkiewicz E., Waschkowitz T., Wiezer A., Daniel R.;
RT   "Complete genome sequence of the B12-producing Shimwellia blattae strain
RT   DSM 4481, isolated from a cockroach.";
RL   J. Bacteriol. 194:4436-4436(2012).
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: 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; CP001560; AFJ48387.1; -; Genomic_DNA.
DR   RefSeq; WP_002464153.1; NZ_BAHA01000011.1.
DR   AlphaFoldDB; I2BCY3; -.
DR   STRING; 630626.EBL_c33240; -.
DR   KEGG; ebt:EBL_c33240; -.
DR   PATRIC; fig|630626.3.peg.3238; -.
DR   eggNOG; COG0289; Bacteria.
DR   HOGENOM; CLU_047479_2_1_6; -.
DR   OMA; HHPNKAD; -.
DR   OrthoDB; 9790352at2; -.
DR   UniPathway; UPA00034; UER00018.
DR   Proteomes; UP000001955; Chromosome.
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:UP000001955}.
FT   DOMAIN          6..129
FT                   /note="Dihydrodipicolinate reductase N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF01113"
FT   DOMAIN          132..268
FT                   /note="Dihydrodipicolinate reductase C-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF05173"
FT   ACT_SITE        159
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT   ACT_SITE        163
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT   BINDING         12..17
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT   BINDING         38
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT   BINDING         39
FT                   /ligand="NADP(+)"
FT                   /ligand_id="ChEBI:CHEBI:58349"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT   BINDING         102..104
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT   BINDING         126..129
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT   BINDING         160
FT                   /ligand="(S)-2,3,4,5-tetrahydrodipicolinate"
FT                   /ligand_id="ChEBI:CHEBI:16845"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT   BINDING         169..170
FT                   /ligand="(S)-2,3,4,5-tetrahydrodipicolinate"
FT                   /ligand_id="ChEBI:CHEBI:16845"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
SQ   SEQUENCE   273 AA;  28693 MW;  98CB0C751796D6FE CRC64;
     MQDGQIRVAI AGAGGRMGRQ LIQAALAMDG VVLGAALERP GSTLVGSDAG ELAGVGHCGV
     PVSSDPDAVA DDFDVFIDFT RPEGTLNHLS WCVAHQKAMV IGTTGFDEAG KQAIRRAAEQ
     IAIVFAANFS VGVNVMLKLL EKAARVMGGY TDIEIIEAHH RHKVDAPSGT ALAMGEAIAS
     ALDKDLSSCA VYSREGHTGE RVPGTIGFAT VRAGDIVGEH TAMFADIGER VEISHKASSR
     MTFANGAVKS ALWLKSKKNG LFDMRDVLNL HDL
//
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