ID   KDSA_NITWN              Reviewed;         287 AA.
AC   Q3SRK0;
DT   11-SEP-2007, integrated into UniProtKB/Swiss-Prot.
DT   11-OCT-2005, sequence version 1.
DT   25-MAY-2022, entry version 105.
DE   RecName: Full=2-dehydro-3-deoxyphosphooctonate aldolase {ECO:0000255|HAMAP-Rule:MF_00056};
DE            EC=2.5.1.55 {ECO:0000255|HAMAP-Rule:MF_00056};
DE   AltName: Full=3-deoxy-D-manno-octulosonic acid 8-phosphate synthase {ECO:0000255|HAMAP-Rule:MF_00056};
DE   AltName: Full=KDO-8-phosphate synthase {ECO:0000255|HAMAP-Rule:MF_00056};
DE            Short=KDO 8-P synthase {ECO:0000255|HAMAP-Rule:MF_00056};
DE            Short=KDOPS {ECO:0000255|HAMAP-Rule:MF_00056};
DE   AltName: Full=Phospho-2-dehydro-3-deoxyoctonate aldolase {ECO:0000255|HAMAP-Rule:MF_00056};
GN   Name=kdsA {ECO:0000255|HAMAP-Rule:MF_00056}; OrderedLocusNames=Nwi_1831;
OS   Nitrobacter winogradskyi (strain ATCC 25391 / DSM 10237 / CIP 104748 /
OS   NCIMB 11846 / Nb-255).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Nitrobacter.
OX   NCBI_TaxID=323098;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 25391 / DSM 10237 / CIP 104748 / NCIMB 11846 / Nb-255;
RX   PubMed=16517654; DOI=10.1128/aem.72.3.2050-2063.2006;
RA   Starkenburg S.R., Chain P.S.G., Sayavedra-Soto L.A., Hauser L., Land M.L.,
RA   Larimer F.W., Malfatti S.A., Klotz M.G., Bottomley P.J., Arp D.J.,
RA   Hickey W.J.;
RT   "Genome sequence of the chemolithoautotrophic nitrite-oxidizing bacterium
RT   Nitrobacter winogradskyi Nb-255.";
RL   Appl. Environ. Microbiol. 72:2050-2063(2006).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=D-arabinose 5-phosphate + H2O + phosphoenolpyruvate = 3-deoxy-
CC         alpha-D-manno-2-octulosonate-8-phosphate + phosphate;
CC         Xref=Rhea:RHEA:14053, ChEBI:CHEBI:15377, ChEBI:CHEBI:43474,
CC         ChEBI:CHEBI:57693, ChEBI:CHEBI:58702, ChEBI:CHEBI:85985; EC=2.5.1.55;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00056};
CC   -!- PATHWAY: Carbohydrate biosynthesis; 3-deoxy-D-manno-octulosonate
CC       biosynthesis; 3-deoxy-D-manno-octulosonate from D-ribulose 5-phosphate:
CC       step 2/3. {ECO:0000255|HAMAP-Rule:MF_00056}.
CC   -!- PATHWAY: Bacterial outer membrane biogenesis; lipopolysaccharide
CC       biosynthesis. {ECO:0000255|HAMAP-Rule:MF_00056}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00056}.
CC   -!- SIMILARITY: Belongs to the KdsA family. {ECO:0000255|HAMAP-
CC       Rule:MF_00056}.
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DR   EMBL; CP000115; ABA05091.1; -; Genomic_DNA.
DR   RefSeq; WP_011315087.1; NC_007406.1.
DR   AlphaFoldDB; Q3SRK0; -.
DR   SMR; Q3SRK0; -.
DR   STRING; 323098.Nwi_1831; -.
DR   EnsemblBacteria; ABA05091; ABA05091; Nwi_1831.
DR   KEGG; nwi:Nwi_1831; -.
DR   eggNOG; COG2877; Bacteria.
DR   HOGENOM; CLU_036666_0_0_5; -.
DR   OMA; FRGIPTM; -.
DR   OrthoDB; 687380at2; -.
DR   UniPathway; UPA00030; -.
DR   UniPathway; UPA00357; UER00474.
DR   Proteomes; UP000002531; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0008676; F:3-deoxy-8-phosphooctulonate synthase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0019294; P:keto-3-deoxy-D-manno-octulosonic acid biosynthetic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.20.20.70; -; 1.
DR   HAMAP; MF_00056; KDO8P_synth; 1.
DR   InterPro; IPR013785; Aldolase_TIM.
DR   InterPro; IPR006218; DAHP1/KDSA.
DR   InterPro; IPR006269; KDO8P_synthase.
DR   PANTHER; PTHR21057; PTHR21057; 1.
DR   Pfam; PF00793; DAHP_synth_1; 1.
DR   TIGRFAMs; TIGR01362; KDO8P_synth; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Lipopolysaccharide biosynthesis; Reference proteome;
KW   Transferase.
FT   CHAIN           1..287
FT                   /note="2-dehydro-3-deoxyphosphooctonate aldolase"
FT                   /id="PRO_0000304463"
SQ   SEQUENCE   287 AA;  29822 MW;  606089DCE904CDBC CRC64;
     MNQPVSASPV VSVGSVTFGQ DRPLSIIAGP CQMESRAHAL EVAGALKDIA ARLNVGLVFK
     TSFDKANRTS ASGARGIGLK QALPVFADIR SSLGLPVLTD VHEAAQCAEV AQVVDVLQIP
     AFLCRQTDLL LAAAATGKVV NVKKGQFLAP WDMGNVVAKI TGGGNRNILV TERGASFGYN
     TLVSDMRALP ILARTTGAPV IFDATHSVQQ PGGKGASTGG EREFVPVLAR AAVAVGVAGV
     FIETHPDPDH APSDGPNMVP LREFEALVRR LMAFDALAKA ADPACPE