ID A5CCM7_ORITB Unreviewed; 298 AA.
AC A5CCM7;
DT 12-JUN-2007, integrated into UniProtKB/TrEMBL.
DT 12-JUN-2007, sequence version 1.
DT 27-MAR-2024, entry version 102.
DE RecName: Full=4-hydroxy-tetrahydrodipicolinate synthase {ECO:0000256|ARBA:ARBA00012086, ECO:0000256|HAMAP-Rule:MF_00418};
DE Short=HTPA synthase {ECO:0000256|HAMAP-Rule:MF_00418};
DE EC=4.3.3.7 {ECO:0000256|ARBA:ARBA00012086, ECO:0000256|HAMAP-Rule:MF_00418};
GN Name=dapA {ECO:0000256|HAMAP-Rule:MF_00418,
GN ECO:0000313|EMBL:CAM79459.1};
GN OrderedLocusNames=OTBS_0393 {ECO:0000313|EMBL:CAM79459.1};
OS Orientia tsutsugamushi (strain Boryong) (Rickettsia tsutsugamushi).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rickettsiales;
OC Rickettsiaceae; Rickettsieae; Orientia.
OX NCBI_TaxID=357244 {ECO:0000313|EMBL:CAM79459.1, ECO:0000313|Proteomes:UP000001565};
RN [1] {ECO:0000313|EMBL:CAM79459.1, ECO:0000313|Proteomes:UP000001565}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Boryong {ECO:0000313|EMBL:CAM79459.1,
RC ECO:0000313|Proteomes:UP000001565};
RX PubMed=17483455; DOI=10.1073/pnas.0611553104;
RA Cho N.-H., Kim H.-R., Lee J.-H., Kim S.-Y., Kim J., Cha S., Kim S.-Y.,
RA Darby A.C., Fuxelius H.-H., Yin J., Kim J.H., Kim J., Lee S.J., Koh Y.-S.,
RA Jang W.-J., Park K.-H., Andersson S.G.E., Choi M.-S., Kim I.-S.;
RT "The Orientia tsutsugamushi genome reveals massive proliferation of
RT conjugative type IV secretion system and host-cell interaction genes.";
RL Proc. Natl. Acad. Sci. U.S.A. 104:7981-7986(2007).
CC -!- FUNCTION: Catalyzes the condensation of (S)-aspartate-beta-semialdehyde
CC [(S)-ASA] and pyruvate to 4-hydroxy-tetrahydrodipicolinate (HTPA).
CC {ECO:0000256|ARBA:ARBA00003294, ECO:0000256|HAMAP-Rule:MF_00418}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=L-aspartate 4-semialdehyde + pyruvate = (2S,4S)-4-
CC hydroxy-2,3,4,5-tetrahydrodipicolinate + H(+) + H2O;
CC Xref=Rhea:RHEA:34171, ChEBI:CHEBI:15361, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:67139, ChEBI:CHEBI:537519; EC=4.3.3.7;
CC Evidence={ECO:0000256|ARBA:ARBA00000594, ECO:0000256|HAMAP-
CC 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:0000256|ARBA:ARBA00005120, ECO:0000256|HAMAP-Rule:MF_00418}.
CC -!- SUBUNIT: Homotetramer; dimer of dimers. {ECO:0000256|HAMAP-
CC Rule:MF_00418}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00418}.
CC -!- SIMILARITY: Belongs to the DapA family. {ECO:0000256|HAMAP-
CC Rule:MF_00418, ECO:0000256|PIRNR:PIRNR001365}.
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:0000256|HAMAP-Rule:MF_00418}.
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DR EMBL; AM494475; CAM79459.1; -; Genomic_DNA.
DR RefSeq; WP_011944453.1; NC_009488.1.
DR AlphaFoldDB; A5CCM7; -.
DR KEGG; ots:OTBS_0393; -.
DR eggNOG; COG0329; Bacteria.
DR HOGENOM; CLU_049343_7_1_5; -.
DR UniPathway; UPA00034; UER00017.
DR Proteomes; UP000001565; 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; Aldolase class I; 1.
DR HAMAP; MF_00418; DapA; 1.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR005263; DapA.
DR InterPro; IPR002220; DapA-like.
DR InterPro; IPR020624; Schiff_base-form_aldolases_CS.
DR NCBIfam; TIGR00674; dapA; 1.
DR PANTHER; PTHR12128:SF72; 4-HYDROXY-2-OXOGLUTARATE ALDOLASE, MITOCHONDRIAL; 1.
DR PANTHER; PTHR12128; DIHYDRODIPICOLINATE SYNTHASE; 1.
DR Pfam; PF00701; DHDPS; 1.
DR PIRSF; PIRSF001365; DHDPS; 1.
DR PRINTS; PR00146; DHPICSNTHASE.
DR SMART; SM01130; DHDPS; 1.
DR SUPFAM; SSF51569; Aldolase; 1.
DR PROSITE; PS00665; DHDPS_1; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW Rule:MF_00418};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00418};
KW Diaminopimelate biosynthesis {ECO:0000256|ARBA:ARBA00022915,
KW ECO:0000256|HAMAP-Rule:MF_00418};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_00418};
KW Lysine biosynthesis {ECO:0000256|ARBA:ARBA00023154, ECO:0000256|HAMAP-
KW Rule:MF_00418}; Reference proteome {ECO:0000313|Proteomes:UP000001565};
KW Schiff base {ECO:0000256|HAMAP-Rule:MF_00418}.
FT ACT_SITE 138
FT /note="Proton donor/acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00418,
FT ECO:0000256|PIRSR:PIRSR001365-1"
FT ACT_SITE 166
FT /note="Schiff-base intermediate with substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00418,
FT ECO:0000256|PIRSR:PIRSR001365-1"
FT BINDING 50
FT /ligand="pyruvate"
FT /ligand_id="ChEBI:CHEBI:15361"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00418,
FT ECO:0000256|PIRSR:PIRSR001365-2"
FT BINDING 210
FT /ligand="pyruvate"
FT /ligand_id="ChEBI:CHEBI:15361"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00418,
FT ECO:0000256|PIRSR:PIRSR001365-2"
FT SITE 49
FT /note="Part of a proton relay during catalysis"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00418"
FT SITE 112
FT /note="Part of a proton relay during catalysis"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00418"
SQ SEQUENCE 298 AA; 32877 MW; B0B0CE90189F6354 CRC64;
MTKKIFNGLI TALVTPFKDA TKQIDFDALE KLLDLQINAQ VDGILVAGST GESLSLSYEE
YISLISFTIK YVNGRTLVIA GCCASDIDKA VMMVKECERL AVQGIMCVTP FYSRPSQEGL
RQYFKTIHDA CNLPIMLYTV PSRTGVDLND ETVIKLAKFD RIVAIKDATG NLEAPLRIRS
KLDIDKEFAF LCGVDSLALG FNAQGGSGLV SVTANVAPFE SKEIQLLWNH GKTEEAFQLH
MKLMPIYSAI SIETNPVPVK YAASLRKLCT PEVRLPLCQL MPSSIKLVNE VFSEVVIR
//