ID   KDSB_SYNFM              Reviewed;         250 AA.
AC   A0LE62;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   12-DEC-2006, sequence version 1.
DT   25-MAY-2022, entry version 79.
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=Sfum_0010;
OS   Syntrophobacter fumaroxidans (strain DSM 10017 / MPOB).
OC   Bacteria; Proteobacteria; Deltaproteobacteria; Syntrophobacterales;
OC   Syntrophobacteraceae; Syntrophobacter.
OX   NCBI_TaxID=335543;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 10017 / MPOB;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Pitluck S., Goltsman E.G.,
RA   Martinez M., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N.,
RA   Kim E., Boone D.R., Brockman F., Culley D., Ferry J., Gunsalus R.,
RA   McInerney M.J., Morrison M., Plugge C., Rohlin L., Scholten J., Sieber J.,
RA   Stams A.J.M., Worm P., Henstra A.M., Richardson P.;
RT   "Complete sequence of Syntrophobacter fumaroxidans MPOB.";
RL   Submitted (OCT-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000478; ABK15714.1; -; Genomic_DNA.
DR   RefSeq; WP_011696887.1; NC_008554.1.
DR   AlphaFoldDB; A0LE62; -.
DR   SMR; A0LE62; -.
DR   STRING; 335543.Sfum_0010; -.
DR   EnsemblBacteria; ABK15714; ABK15714; Sfum_0010.
DR   KEGG; sfu:Sfum_0010; -.
DR   eggNOG; COG1212; Bacteria.
DR   HOGENOM; CLU_065038_0_1_7; -.
DR   OMA; FMATCAK; -.
DR   OrthoDB; 1345588at2; -.
DR   UniPathway; UPA00030; -.
DR   UniPathway; UPA00358; UER00476.
DR   Proteomes; UP000001784; 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..250
FT                   /note="3-deoxy-manno-octulosonate cytidylyltransferase"
FT                   /id="PRO_1000003387"
SQ   SEQUENCE   250 AA;  27120 MW;  0C4EC8419E499C5C CRC64;
     MRIVGIIPAR YQSSRFPGKP LVDILGKPMI RHVYERSARA GCLDRLIVAT DDARIAAAVA
     GFGGEALLTR ADHASGTDRL AEAARLLELD GADIVVNIQG DEPLVNHRMI EALVEALQCD
     RHCPMATLAF PSESLQDYNN PNVVKVVLDR GLRALYFSRA PIPFVRDGAA DAPAFLKHLG
     FYAYSASFLQ TFSRLPPGRL EGLEKLEQLR ALEHGYGIRV ALSPVDTRGV DTPEDLEAVV
     PVLAQDAVGA