KDSB_BRASB
ID KDSB_BRASB Reviewed; 246 AA.
AC A5ERZ6;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 12-JUN-2007, 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=BBta_7057;
OS Bradyrhizobium sp. (strain BTAi1 / ATCC BAA-1182).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC Bradyrhizobiaceae; Bradyrhizobium; unclassified Bradyrhizobium.
OX NCBI_TaxID=288000;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BTAi1 / ATCC BAA-1182;
RX PubMed=17540897; DOI=10.1126/science.1139548;
RA Giraud E., Moulin L., Vallenet D., Barbe V., Cytryn E., Avarre J.-C.,
RA Jaubert M., Simon D., Cartieaux F., Prin Y., Bena G., Hannibal L.,
RA Fardoux J., Kojadinovic M., Vuillet L., Lajus A., Cruveiller S., Rouy Z.,
RA Mangenot S., Segurens B., Dossat C., Franck W.L., Chang W.-S., Saunders E.,
RA Bruce D., Richardson P., Normand P., Dreyfus B., Pignol D., Stacey G.,
RA Emerich D., Vermeglio A., Medigue C., Sadowsky M.;
RT "Legumes symbioses: absence of nod genes in photosynthetic bradyrhizobia.";
RL Science 316:1307-1312(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; CP000494; ABQ38940.1; -; Genomic_DNA.
DR RefSeq; WP_012046869.1; NC_009485.1.
DR AlphaFoldDB; A5ERZ6; -.
DR SMR; A5ERZ6; -.
DR STRING; 288000.BBta_7057; -.
DR EnsemblBacteria; ABQ38940; ABQ38940; BBta_7057.
DR KEGG; bbt:BBta_7057; -.
DR eggNOG; COG1212; Bacteria.
DR HOGENOM; CLU_065038_0_1_5; -.
DR OMA; FMATCAK; -.
DR OrthoDB; 1345588at2; -.
DR UniPathway; UPA00030; -.
DR UniPathway; UPA00358; UER00476.
DR Proteomes; UP000000246; 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 Transferase.
FT CHAIN 1..246
FT /note="3-deoxy-manno-octulosonate cytidylyltransferase"
FT /id="PRO_0000370009"
SQ SEQUENCE 246 AA; 26566 MW; C16E76C280723BE5 CRC64;
MTQPKILVLI PARMASTRLP GKPLLDIAGL PMIVQVLRRA QEANIGRVAV ATDTKEIADA
VIAHGGEAVM TRPDHPSGSD RIYEASCKLD PAGEAEIVVN LQGDFPTILP QNIRDVLLPL
SDPAVDIATL AAQIHTAEED AAPSVVKAVG SPIGERRLRA LYFTRATAPH GDGPRYHHIG
LYAYRRAALE RFVSLPPSPL ELQEKLEQLR ALEAGMRIDI GIVDTVPRGV DTPPDLETAR
RLLSKA