ID   KDSB_ELUMP              Reviewed;         245 AA.
AC   B2KD62;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-JUN-2008, sequence version 1.
DT   25-MAY-2022, entry version 74.
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=Emin_0903;
OS   Elusimicrobium minutum (strain Pei191).
OC   Bacteria; Elusimicrobia; Elusimicrobia; Elusimicrobiales;
OC   Elusimicrobiaceae; Elusimicrobium.
OX   NCBI_TaxID=445932;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Pei191;
RX   PubMed=19270133; DOI=10.1128/aem.02698-08;
RA   Herlemann D.P.R., Geissinger O., Ikeda-Ohtsubo W., Kunin V., Sun H.,
RA   Lapidus A., Hugenholtz P., Brune A.;
RT   "Genomic analysis of 'Elusimicrobium minutum,' the first cultivated
RT   representative of the phylum 'Elusimicrobia' (formerly termite group 1).";
RL   Appl. Environ. Microbiol. 75:2841-2849(2009).
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}.
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DR   EMBL; CP001055; ACC98458.1; -; Genomic_DNA.
DR   RefSeq; WP_012415073.1; NC_010644.1.
DR   AlphaFoldDB; B2KD62; -.
DR   SMR; B2KD62; -.
DR   STRING; 445932.Emin_0903; -.
DR   EnsemblBacteria; ACC98458; ACC98458; Emin_0903.
DR   KEGG; emi:Emin_0903; -.
DR   HOGENOM; CLU_065038_0_1_0; -.
DR   OMA; FMATCAK; -.
DR   OrthoDB; 1345588at2; -.
DR   UniPathway; UPA00030; -.
DR   UniPathway; UPA00358; UER00476.
DR   Proteomes; UP000001029; Chromosome.
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..245
FT                   /note="3-deoxy-manno-octulosonate cytidylyltransferase"
FT                   /id="PRO_1000091871"
SQ   SEQUENCE   245 AA;  27239 MW;  B01480C68B7A63E9 CRC64;
     MGDTIIVIPA RYGSTRLKAK VLEQLDGKSI VEHVWRAAKA AGEGKVLIAT ESPVIVEHCA
     KFGAQAVLTS EACQSGTDRI YEAVKNGSED YVLNLQGDEP FVKPQTIKGV IKLLKKDSKI
     DIATACYPTF NDDIYKNPNA VKAVLTKDMR ALYFSRSAIP YKRELTEETK KAPYYIHCGI
     YGYKKTALER FVNLPPSNLE KLEKLEQLRA LEDGMVIKSI LIEAAGPAID TAEDLNEARK
     YIRNN