ID   KDSB_PARXL              Reviewed;         266 AA.
AC   Q13UR9;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   14-APR-2009, sequence version 2.
DT   25-MAY-2022, entry version 90.
DE   RecName: Full=3-deoxy-manno-octulosonate cytidylyltransferase {ECO:0000255|HAMAP-Rule:MF_00057};
DE            EC=2.7.7.38 {ECO:0000255|HAMAP-Rule:MF_00057};
DE   AltName: Full=CMP-2-keto-3-deoxyoctulosonic acid synthase {ECO:0000255|HAMAP-Rule:MF_00057};
DE            Short=CKS {ECO:0000255|HAMAP-Rule:MF_00057};
DE            Short=CMP-KDO synthase {ECO:0000255|HAMAP-Rule:MF_00057};
GN   Name=kdsB {ECO:0000255|HAMAP-Rule:MF_00057}; OrderedLocusNames=Bxeno_A3632;
GN   ORFNames=Bxe_A0764;
OS   Paraburkholderia xenovorans (strain LB400).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Paraburkholderia.
OX   NCBI_TaxID=266265;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=LB400;
RX   PubMed=17030797; DOI=10.1073/pnas.0606924103;
RA   Chain P.S.G., Denef V.J., Konstantinidis K.T., Vergez L.M., Agullo L.,
RA   Reyes V.L., Hauser L., Cordova M., Gomez L., Gonzalez M., Land M., Lao V.,
RA   Larimer F., LiPuma J.J., Mahenthiralingam E., Malfatti S.A., Marx C.J.,
RA   Parnell J.J., Ramette A., Richardson P., Seeger M., Smith D., Spilker T.,
RA   Sul W.J., Tsoi T.V., Ulrich L.E., Zhulin I.B., Tiedje J.M.;
RT   "Burkholderia xenovorans LB400 harbors a multi-replicon, 9.73-Mbp genome
RT   shaped for versatility.";
RL   Proc. Natl. Acad. Sci. U.S.A. 103:15280-15287(2006).
CC   -!- FUNCTION: Activates KDO (a required 8-carbon sugar) for incorporation
CC       into bacterial lipopolysaccharide in Gram-negative bacteria.
CC       {ECO:0000255|HAMAP-Rule:MF_00057}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=3-deoxy-alpha-D-manno-oct-2-ulosonate + CTP = CMP-3-deoxy-
CC         beta-D-manno-octulosonate + diphosphate; Xref=Rhea:RHEA:23448,
CC         ChEBI:CHEBI:33019, ChEBI:CHEBI:37563, ChEBI:CHEBI:85986,
CC         ChEBI:CHEBI:85987; EC=2.7.7.38; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00057};
CC   -!- PATHWAY: Nucleotide-sugar biosynthesis; CMP-3-deoxy-D-manno-
CC       octulosonate biosynthesis; CMP-3-deoxy-D-manno-octulosonate from 3-
CC       deoxy-D-manno-octulosonate and CTP: step 1/1. {ECO:0000255|HAMAP-
CC       Rule:MF_00057}.
CC   -!- PATHWAY: Bacterial outer membrane biogenesis; lipopolysaccharide
CC       biosynthesis. {ECO:0000255|HAMAP-Rule:MF_00057}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00057}.
CC   -!- SIMILARITY: Belongs to the KdsB family. {ECO:0000255|HAMAP-
CC       Rule:MF_00057}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=ABE32170.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CP000270; ABE32170.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_011489669.1; NZ_CP008760.1.
DR   AlphaFoldDB; Q13UR9; -.
DR   SMR; Q13UR9; -.
DR   STRING; 266265.Bxe_A0764; -.
DR   EnsemblBacteria; ABE32170; ABE32170; Bxe_A0764.
DR   KEGG; bxb:DR64_2932; -.
DR   KEGG; bxe:Bxe_A0764; -.
DR   PATRIC; fig|266265.5.peg.3827; -.
DR   eggNOG; COG1212; Bacteria.
DR   OrthoDB; 1345588at2; -.
DR   UniPathway; UPA00030; -.
DR   UniPathway; UPA00358; UER00476.
DR   Proteomes; UP000001817; Chromosome 1.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0008690; F:3-deoxy-manno-octulosonate cytidylyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0033468; P:CMP-keto-3-deoxy-D-manno-octulosonic acid biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0009103; P:lipopolysaccharide biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd02517; CMP-KDO-Synthetase; 1.
DR   Gene3D; 3.90.550.10; -; 1.
DR   HAMAP; MF_00057; KdsB; 1.
DR   InterPro; IPR003329; Cytidylyl_trans.
DR   InterPro; IPR004528; KdsB.
DR   InterPro; IPR029044; Nucleotide-diphossugar_trans.
DR   Pfam; PF02348; CTP_transf_3; 1.
DR   SUPFAM; SSF53448; SSF53448; 1.
DR   TIGRFAMs; TIGR00466; kdsB; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Lipopolysaccharide biosynthesis; Nucleotidyltransferase;
KW   Reference proteome; Transferase.
FT   CHAIN           1..266
FT                   /note="3-deoxy-manno-octulosonate cytidylyltransferase"
FT                   /id="PRO_0000370043"
SQ   SEQUENCE   266 AA;  28270 MW;  C31B55917A7C9419 CRC64;
     MTHANTTTPP FIAVVPARLA STRLPNKPLA DIGGKPMVVR VAERARESGA QQVLVASDAQ
     AVLDAARAHG FEAVLTRADH PSGTDRLAEV AAQFGWSDDT IVVNVQGDEP LIDPALVCGV
     ASHLAASGGC AIATAAHPIT DPAEIFNPNV VKVVLDARGV ALYFSRAPIP WARDAYQPHW
     PNVAAMPTPP APAVVHRHIG LYAYRAQFLR TYPSLAISPI EQVEALEQLR AMWHGERIAV
     LVTHDVPLPG VDTPADLARV QALFGS