ID   KDSB_PHOV8              Reviewed;         252 AA.
AC   A6L5J0;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   24-JUL-2007, sequence version 1.
DT   03-AUG-2022, entry version 80.
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=BVU_3328;
OS   Phocaeicola vulgatus (strain ATCC 8482 / DSM 1447 / JCM 5826 / CCUG 4940 /
OS   NBRC 14291 / NCTC 11154) (Bacteroides vulgatus).
OC   Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae;
OC   Phocaeicola.
OX   NCBI_TaxID=435590;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 8482 / DSM 1447 / JCM 5826 / CCUG 4940 / NBRC 14291 / NCTC
RC   11154;
RX   PubMed=17579514; DOI=10.1371/journal.pbio.0050156;
RA   Xu J., Mahowald M.A., Ley R.E., Lozupone C.A., Hamady M., Martens E.C.,
RA   Henrissat B., Coutinho P.M., Minx P., Latreille P., Cordum H.,
RA   Van Brunt A., Kim K., Fulton R.S., Fulton L.A., Clifton S.W., Wilson R.K.,
RA   Knight R.D., Gordon J.I.;
RT   "Evolution of symbiotic bacteria in the distal human intestine.";
RL   PLoS Biol. 5:1574-1586(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}.
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DR   EMBL; CP000139; ABR40954.1; -; Genomic_DNA.
DR   RefSeq; WP_005842057.1; NC_009614.1.
DR   AlphaFoldDB; A6L5J0; -.
DR   SMR; A6L5J0; -.
DR   STRING; 435590.BVU_3328; -.
DR   EnsemblBacteria; ABR40954; ABR40954; BVU_3328.
DR   GeneID; 66749776; -.
DR   KEGG; bvu:BVU_3328; -.
DR   eggNOG; COG1212; Bacteria.
DR   HOGENOM; CLU_065038_0_1_10; -.
DR   OMA; TDRCYEA; -.
DR   OrthoDB; 1345588at2; -.
DR   BioCyc; BVUL435590:G1G59-3450-MON; -.
DR   UniPathway; UPA00030; -.
DR   UniPathway; UPA00358; UER00476.
DR   Proteomes; UP000002861; 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..252
FT                   /note="3-deoxy-manno-octulosonate cytidylyltransferase"
FT                   /id="PRO_0000369999"
SQ   SEQUENCE   252 AA;  28074 MW;  15D8E42F979F3910 CRC64;
     MKFIGIIPAR YASTRFPAKP LAVLGGKPVI QRVYEQVSGI LDEAYVATDD ERIESAVKAF
     GGKVVMTSVH HKSGTDRCYE AYTKVGRGYD VVVNIQGDEP FIQKSQLEAV KACFEDPATQ
     IATLVKPFIP DDGLEALENV NSPKVVVGKN MNALYFSRSI IPFQRNVEKE GWLKGHTYYK
     HIGLYAYRAD VLKEITSLPQ SSLELAESLE QLRWLENGYT IKVGISEVET IGIDTPQDLA
     RAEAFLKQRE GE