ID   KDSB_FRATW              Reviewed;         250 AA.
AC   A4IX75;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-2007, sequence version 1.
DT   03-AUG-2022, entry version 83.
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=FTW_0620;
OS   Francisella tularensis subsp. tularensis (strain WY96-3418).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Thiotrichales;
OC   Francisellaceae; Francisella.
OX   NCBI_TaxID=418136;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=WY96-3418;
RX   PubMed=17895988; DOI=10.1371/journal.pone.0000947;
RA   Beckstrom-Sternberg S.M., Auerbach R.K., Godbole S., Pearson J.V.,
RA   Beckstrom-Sternberg J.S., Deng Z., Munk C., Kubota K., Zhou Y., Bruce D.,
RA   Noronha J., Scheuermann R.H., Wang A., Wei X., Wang J., Hao J.,
RA   Wagner D.M., Brettin T.S., Brown N., Gilna P., Keim P.S.;
RT   "Complete genomic characterization of a pathogenic A.II strain of
RT   Francisella tularensis subspecies tularensis.";
RL   PLoS ONE 2:E947-E947(2007).
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   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; CP000608; ABO46527.1; -; Genomic_DNA.
DR   RefSeq; WP_003025579.1; NC_009257.1.
DR   AlphaFoldDB; A4IX75; -.
DR   SMR; A4IX75; -.
DR   KEGG; ftw:FTW_0620; -.
DR   HOGENOM; CLU_065038_1_0_6; -.
DR   OMA; FMATCAK; -.
DR   UniPathway; UPA00030; -.
DR   UniPathway; UPA00358; UER00476.
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   Transferase.
FT   CHAIN           1..250
FT                   /note="3-deoxy-manno-octulosonate cytidylyltransferase"
FT                   /id="PRO_0000370073"
SQ   SEQUENCE   250 AA;  28228 MW;  EF3052130948DEC2 CRC64;
     MANIHIVIPA RLKSTRLPNK MLADIAGKPM IQRVYEQVTK SKFDSIIIAT DSQKIKDIAE
     SFGAKVVLTR DDHQSGTDRI AEAVTKLGFA DEDIVVNVQG DEPLIPIENI EQAAQLLIDK
     SEAVVSTLCE KITDVEDIYN PNNVKVVFDK NNYALYFSRA SIPFERGFSE KEQINISEFF
     RHIGIYAYRV AFLKHYAELT VSPIEKYEAL EQLRVLYNGY KIAIEQSAKS TPAGVDTLQD
     LEKVRKLFNV