ID   KDSB_PARD8              Reviewed;         251 AA.
AC   A6L9D4;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   24-JUL-2007, sequence version 1.
DT   25-MAY-2022, entry version 78.
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=BDI_0522;
OS   Parabacteroides distasonis (strain ATCC 8503 / DSM 20701 / CIP 104284 / JCM
OS   5825 / NCTC 11152).
OC   Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Tannerellaceae;
OC   Parabacteroides.
OX   NCBI_TaxID=435591;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 8503 / DSM 20701 / CIP 104284 / JCM 5825 / NCTC 11152;
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; CP000140; ABR42298.1; -; Genomic_DNA.
DR   AlphaFoldDB; A6L9D4; -.
DR   SMR; A6L9D4; -.
DR   STRING; 435591.BDI_0522; -.
DR   EnsemblBacteria; ABR42298; ABR42298; BDI_0522.
DR   KEGG; pdi:BDI_0522; -.
DR   eggNOG; COG1212; Bacteria.
DR   HOGENOM; CLU_065038_0_1_10; -.
DR   OMA; TDRCYEA; -.
DR   UniPathway; UPA00030; -.
DR   UniPathway; UPA00358; UER00476.
DR   Proteomes; UP000000566; 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..251
FT                   /note="3-deoxy-manno-octulosonate cytidylyltransferase"
FT                   /id="PRO_1000091884"
SQ   SEQUENCE   251 AA;  28572 MW;  5E847F5B92D09117 CRC64;
     MMKFIGIIPA RYASTRFPGK PLADMNGKPM IQRVYEQVKD VLDSVCVATD DIRIENAVKA
     FGGQVVMTSD QHRSGTDRCY EAYQKIGEGY DVIVNIQGDE PFIHPEQIQT IKTCFADANT
     QIATLVKPFR SDDDFESSLF NPNSPKVVLN KNNEAMYFSR SIIPYIRGKK YTEWLPSHTF
     YKHIGLYAYR AQVLKEITQL PQSALELAES LEQLRWLENG YKIKVGITEQ ETIGIDTPED
     MEKALAFLAN R