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DAPA_CLOP1
ID   DAPA_CLOP1              Reviewed;         291 AA.
AC   Q0TP55;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   05-SEP-2006, sequence version 1.
DT   03-AUG-2022, entry version 96.
DE   RecName: Full=4-hydroxy-tetrahydrodipicolinate synthase {ECO:0000255|HAMAP-Rule:MF_00418};
DE            Short=HTPA synthase {ECO:0000255|HAMAP-Rule:MF_00418};
DE            EC=4.3.3.7 {ECO:0000255|HAMAP-Rule:MF_00418};
GN   Name=dapA {ECO:0000255|HAMAP-Rule:MF_00418}; OrderedLocusNames=CPF_2161;
OS   Clostridium perfringens (strain ATCC 13124 / DSM 756 / JCM 1290 / NCIMB
OS   6125 / NCTC 8237 / Type A).
OC   Bacteria; Firmicutes; Clostridia; Eubacteriales; Clostridiaceae;
OC   Clostridium.
OX   NCBI_TaxID=195103;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 13124 / DSM 756 / JCM 1290 / NCIMB 6125 / NCTC 8237 / S 107 /
RC   Type A;
RX   PubMed=16825665; DOI=10.1101/gr.5238106;
RA   Myers G.S.A., Rasko D.A., Cheung J.K., Ravel J., Seshadri R., DeBoy R.T.,
RA   Ren Q., Varga J., Awad M.M., Brinkac L.M., Daugherty S.C., Haft D.H.,
RA   Dodson R.J., Madupu R., Nelson W.C., Rosovitz M.J., Sullivan S.A.,
RA   Khouri H., Dimitrov G.I., Watkins K.L., Mulligan S., Benton J., Radune D.,
RA   Fisher D.J., Atkins H.S., Hiscox T., Jost B.H., Billington S.J.,
RA   Songer J.G., McClane B.A., Titball R.W., Rood J.I., Melville S.B.,
RA   Paulsen I.T.;
RT   "Skewed genomic variability in strains of the toxigenic bacterial pathogen,
RT   Clostridium perfringens.";
RL   Genome Res. 16:1031-1040(2006).
CC   -!- FUNCTION: Catalyzes the condensation of (S)-aspartate-beta-semialdehyde
CC       [(S)-ASA] and pyruvate to 4-hydroxy-tetrahydrodipicolinate (HTPA).
CC       {ECO:0000255|HAMAP-Rule:MF_00418}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-aspartate 4-semialdehyde + pyruvate = (2S,4S)-4-hydroxy-
CC         2,3,4,5-tetrahydrodipicolinate + H(+) + H2O; Xref=Rhea:RHEA:34171,
CC         ChEBI:CHEBI:15361, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:67139, ChEBI:CHEBI:537519; EC=4.3.3.7;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00418};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-lysine biosynthesis via DAP
CC       pathway; (S)-tetrahydrodipicolinate from L-aspartate: step 3/4.
CC       {ECO:0000255|HAMAP-Rule:MF_00418}.
CC   -!- SUBUNIT: Homotetramer; dimer of dimers. {ECO:0000255|HAMAP-
CC       Rule:MF_00418}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00418}.
CC   -!- SIMILARITY: Belongs to the DapA family. {ECO:0000255|HAMAP-
CC       Rule:MF_00418}.
CC   -!- CAUTION: Was originally thought to be a dihydrodipicolinate synthase
CC       (DHDPS), catalyzing the condensation of (S)-aspartate-beta-semialdehyde
CC       [(S)-ASA] and pyruvate to dihydrodipicolinate (DHDP). However, it was
CC       shown in E.coli that the product of the enzymatic reaction is not
CC       dihydrodipicolinate but in fact (4S)-4-hydroxy-2,3,4,5-tetrahydro-(2S)-
CC       dipicolinic acid (HTPA), and that the consecutive dehydration reaction
CC       leading to DHDP is not spontaneous but catalyzed by DapB.
CC       {ECO:0000305}.
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DR   EMBL; CP000246; ABG82514.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q0TP55; -.
DR   SMR; Q0TP55; -.
DR   STRING; 195103.CPF_2161; -.
DR   EnsemblBacteria; ABG82514; ABG82514; CPF_2161.
DR   KEGG; cpf:CPF_2161; -.
DR   eggNOG; COG0329; Bacteria.
DR   HOGENOM; CLU_049343_7_1_9; -.
DR   OMA; ALCAMIT; -.
DR   UniPathway; UPA00034; UER00017.
DR   Proteomes; UP000001823; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0008840; F:4-hydroxy-tetrahydrodipicolinate synthase activity; 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-UniPathway.
DR   CDD; cd00950; DHDPS; 1.
DR   Gene3D; 3.20.20.70; -; 1.
DR   HAMAP; MF_00418; DapA; 1.
DR   InterPro; IPR013785; Aldolase_TIM.
DR   InterPro; IPR005263; DapA.
DR   InterPro; IPR002220; DapA-like.
DR   InterPro; IPR020625; Schiff_base-form_aldolases_AS.
DR   InterPro; IPR020624; Schiff_base-form_aldolases_CS.
DR   PANTHER; PTHR12128; PTHR12128; 1.
DR   Pfam; PF00701; DHDPS; 1.
DR   PIRSF; PIRSF001365; DHDPS; 1.
DR   PRINTS; PR00146; DHPICSNTHASE.
DR   SMART; SM01130; DHDPS; 1.
DR   TIGRFAMs; TIGR00674; dapA; 1.
DR   PROSITE; PS00665; DHDPS_1; 1.
DR   PROSITE; PS00666; DHDPS_2; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Cytoplasm; Diaminopimelate biosynthesis; Lyase;
KW   Lysine biosynthesis; Schiff base.
FT   CHAIN           1..291
FT                   /note="4-hydroxy-tetrahydrodipicolinate synthase"
FT                   /id="PRO_1000050179"
FT   ACT_SITE        132
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00418"
FT   ACT_SITE        160
FT                   /note="Schiff-base intermediate with substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00418"
FT   BINDING         44
FT                   /ligand="pyruvate"
FT                   /ligand_id="ChEBI:CHEBI:15361"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00418"
FT   BINDING         202
FT                   /ligand="pyruvate"
FT                   /ligand_id="ChEBI:CHEBI:15361"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00418"
FT   SITE            43
FT                   /note="Part of a proton relay during catalysis"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00418"
FT   SITE            106
FT                   /note="Part of a proton relay during catalysis"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00418"
SQ   SEQUENCE   291 AA;  31925 MW;  DF3040E9B94CB358 CRC64;
     MFKGSCVALI TPFTEDGVNY EELRKLLEWH IKNHTDAILV CGTTGEGSTM TLEEKKEVIK
     FSVEVVNKRV PVIAGTGTNN TKASIELSKY AEEVGADMVL IITPYYNKTS QKGLYAHFNA
     INDAINIPIM LYNVPSRTGM NITPLMLDKL ADLNNVVAIK EASGDLSQVA KMAELCGDRI
     AIYSGNDDQI VPILSLGGAG VVSVLANILP EETHNICEKY FLGEVIESRN LQLKYLSLAN
     SLFIETNPIP VKTAMNLMNF NCGPLRLPLC EMEDSNLVIL EENLKANGLI K
 
 
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