KDSB_HELPS
ID KDSB_HELPS Reviewed; 241 AA.
AC B2US61;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 01-JUL-2008, sequence version 1.
DT 25-MAY-2022, entry version 70.
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=HPSH_01195;
OS Helicobacter pylori (strain Shi470).
OC Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC Helicobacteraceae; Helicobacter.
OX NCBI_TaxID=512562;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Shi470;
RA Kersulyte D., Kalia A., Gilman R.H., Berg D.E.;
RT "Genome sequence of Helicobacter pylori from the remote Amazon: traces of
RT Asian ancestry of the first Americans.";
RL Submitted (MAY-2008) 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; CP001072; ACD47693.1; -; Genomic_DNA.
DR RefSeq; WP_000584031.1; NC_010698.2.
DR AlphaFoldDB; B2US61; -.
DR SMR; B2US61; -.
DR PRIDE; B2US61; -.
DR KEGG; hps:HPSH_01195; -.
DR HOGENOM; CLU_065038_0_1_7; -.
DR OMA; FMATCAK; -.
DR UniPathway; UPA00030; -.
DR UniPathway; UPA00358; UER00476.
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..241
FT /note="3-deoxy-manno-octulosonate cytidylyltransferase"
FT /id="PRO_1000091878"
SQ SEQUENCE 241 AA; 27065 MW; F2D79A9E673B2E88 CRC64;
MIIIPARLKS SRFENKVLED IFGLPMVVRC AKNANLVDEC VVACDDESIM QTCQKFHIKA
VLTSKHHNSG TERCLEAAQI LGLKNDERVL NLQGDEPFLE KEVILALLEA TKNAPFMATC
AKVIDEEQAK SPNLVKVVLD SQSNALYFSR SLIPFLRDAG MKRQTPLLGH IGIYGFHNKE
ILEELCALKP CVLEELEKLE QLRALYYQKK IAVKIVQSQS VGIDTKEDLQ NALKIFSPNL
L
