ID I4A2U1_ORNRL Unreviewed; 246 AA.
AC I4A2U1;
DT 05-SEP-2012, integrated into UniProtKB/TrEMBL.
DT 05-SEP-2012, sequence version 1.
DT 27-MAR-2024, entry version 52.
DE RecName: Full=3-deoxy-manno-octulosonate cytidylyltransferase {ECO:0000256|HAMAP-Rule:MF_00057};
DE EC=2.7.7.38 {ECO:0000256|HAMAP-Rule:MF_00057};
DE AltName: Full=CMP-2-keto-3-deoxyoctulosonic acid synthase {ECO:0000256|HAMAP-Rule:MF_00057};
DE Short=CKS {ECO:0000256|HAMAP-Rule:MF_00057};
DE Short=CMP-KDO synthase {ECO:0000256|HAMAP-Rule:MF_00057};
GN Name=kdsB {ECO:0000256|HAMAP-Rule:MF_00057};
GN OrderedLocusNames=Ornrh_2143 {ECO:0000313|EMBL:AFL98275.1};
OS Ornithobacterium rhinotracheale (strain ATCC 51463 / DSM 15997 / CCUG 23171
OS / CIP 104009 / LMG 9086).
OC Bacteria; Bacteroidota; Flavobacteriia; Flavobacteriales; Weeksellaceae;
OC Ornithobacterium.
OX NCBI_TaxID=867902 {ECO:0000313|EMBL:AFL98275.1, ECO:0000313|Proteomes:UP000006051};
RN [1] {ECO:0000313|EMBL:AFL98275.1, ECO:0000313|Proteomes:UP000006051}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 51463 / DSM 15997 / CCUG 23171 / LMG 9086
RC {ECO:0000313|Proteomes:UP000006051};
RG US DOE Joint Genome Institute (JGI-PGF);
RA Lucas S., Copeland A., Lapidus A., Goodwin L., Pitluck S., Peters L.,
RA Mikhailova N., Teshima H., Kyrpides N., Mavromatis K., Pagani I.,
RA Ivanova N., Ovchinnikova G., Zeytun A., Detter J.C., Han C., Land M.,
RA Hauser L., Markowitz V., Cheng J.-F., Hugenholtz P., Woyke T., Wu D.,
RA Lang E., Kopitz M., Brambilla E., Klenk H.-P., Eisen J.A.;
RT "The complete genome of Ornithobacterium rhinotracheale DSM 15997.";
RL Submitted (JUN-2012) 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:0000256|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:0000256|HAMAP-
CC Rule:MF_00057};
CC -!- PATHWAY: Bacterial outer membrane biogenesis; lipopolysaccharide
CC biosynthesis. {ECO:0000256|HAMAP-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:0000256|HAMAP-
CC Rule:MF_00057}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00057}.
CC -!- SIMILARITY: Belongs to the KdsB family. {ECO:0000256|HAMAP-
CC Rule:MF_00057}.
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DR EMBL; CP003283; AFL98275.1; -; Genomic_DNA.
DR RefSeq; WP_014791793.1; NC_018016.1.
DR AlphaFoldDB; I4A2U1; -.
DR STRING; 867902.Ornrh_2143; -.
DR GeneID; 71570223; -.
DR KEGG; orh:Ornrh_2143; -.
DR PATRIC; fig|867902.3.peg.2096; -.
DR eggNOG; COG1212; Bacteria.
DR HOGENOM; CLU_065038_0_1_10; -.
DR UniPathway; UPA00030; -.
DR UniPathway; UPA00358; UER00476.
DR Proteomes; UP000006051; 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 HAMAP; MF_00057; KdsB; 1.
DR InterPro; IPR003329; Cytidylyl_trans.
DR InterPro; IPR004528; KdsB.
DR InterPro; IPR029044; Nucleotide-diphossugar_trans.
DR NCBIfam; TIGR00466; kdsB; 1.
DR PANTHER; PTHR42866; 3-DEOXY-MANNO-OCTULOSONATE CYTIDYLYLTRANSFERASE; 1.
DR PANTHER; PTHR42866:SF2; 3-DEOXY-MANNO-OCTULOSONATE CYTIDYLYLTRANSFERASE, MITOCHONDRIAL; 1.
DR Pfam; PF02348; CTP_transf_3; 1.
DR SUPFAM; SSF53448; Nucleotide-diphospho-sugar transferases; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00057};
KW Lipopolysaccharide biosynthesis {ECO:0000256|ARBA:ARBA00022985,
KW ECO:0000256|HAMAP-Rule:MF_00057};
KW Nucleotidyltransferase {ECO:0000256|ARBA:ARBA00022695, ECO:0000256|HAMAP-
KW Rule:MF_00057}; Reference proteome {ECO:0000313|Proteomes:UP000006051};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00057}.
SQ SEQUENCE 246 AA; 27932 MW; 0B24B190332F41E8 CRC64;
MKVVAVIPAR YNSQRFPGKL MQKLNGKELI LYTYEAVKNT ELFDDVIVAT DDARILACLE
KNNAKVQLTA ENHVSGSDRI AEVAQNLDAD IIVNVQGDEP FITAEDLKTL IQIFENDTQK
EVAVGSLMEI ITEPDMIENP NNVKVVVDRY YNNALYFSRS VIPYAREMQE NTTYYKHLGI
YAFRRDALLS FATLDRGFLE PTEKLEQLRY LENGFKIRLG IAKNPSIGID TPEDLAMAEA
FIQQNK
//
