ID K0I123_9BURK Unreviewed; 304 AA.
AC K0I123;
DT 28-NOV-2012, integrated into UniProtKB/TrEMBL.
DT 28-NOV-2012, sequence version 1.
DT 24-JAN-2024, entry version 64.
DE RecName: Full=2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase {ECO:0000256|HAMAP-Rule:MF_00108};
DE EC=2.7.7.60 {ECO:0000256|HAMAP-Rule:MF_00108};
DE AltName: Full=4-diphosphocytidyl-2C-methyl-D-erythritol synthase {ECO:0000256|HAMAP-Rule:MF_00108};
DE AltName: Full=MEP cytidylyltransferase {ECO:0000256|HAMAP-Rule:MF_00108};
DE Short=MCT {ECO:0000256|HAMAP-Rule:MF_00108};
GN Name=ispD {ECO:0000256|HAMAP-Rule:MF_00108};
GN ORFNames=C380_15225 {ECO:0000313|EMBL:AFU46742.1};
OS Acidovorax sp. KKS102.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Comamonadaceae; Acidovorax.
OX NCBI_TaxID=358220 {ECO:0000313|EMBL:AFU46742.1, ECO:0000313|Proteomes:UP000006306};
RN [1] {ECO:0000313|EMBL:AFU46742.1, ECO:0000313|Proteomes:UP000006306}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KKS102 {ECO:0000313|EMBL:AFU46742.1,
RC ECO:0000313|Proteomes:UP000006306};
RX PubMed=23209225; DOI=10.1128/JB.01848-12;
RA Ohtsubo Y., Maruyama F., Mitsui H., Nagata Y., Tsuda M.;
RT "Complete Genome Sequence of Acidovorax sp. Strain KKS102, a
RT Polychlorinated-Biphenyl Degrader.";
RL J. Bacteriol. 194:6970-6971(2012).
CC -!- FUNCTION: Catalyzes the formation of 4-diphosphocytidyl-2-C-methyl-D-
CC erythritol from CTP and 2-C-methyl-D-erythritol 4-phosphate (MEP).
CC {ECO:0000256|ARBA:ARBA00002459, ECO:0000256|HAMAP-Rule:MF_00108}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2-C-methyl-D-erythritol 4-phosphate + CTP + H(+) = 4-CDP-2-C-
CC methyl-D-erythritol + diphosphate; Xref=Rhea:RHEA:13429,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:33019, ChEBI:CHEBI:37563,
CC ChEBI:CHEBI:57823, ChEBI:CHEBI:58262; EC=2.7.7.60;
CC Evidence={ECO:0000256|ARBA:ARBA00001282, ECO:0000256|HAMAP-
CC Rule:MF_00108};
CC -!- PATHWAY: Isoprenoid biosynthesis; isopentenyl diphosphate biosynthesis
CC via DXP pathway; isopentenyl diphosphate from 1-deoxy-D-xylulose 5-
CC phosphate: step 2/6. {ECO:0000256|ARBA:ARBA00004787, ECO:0000256|HAMAP-
CC Rule:MF_00108}.
CC -!- SIMILARITY: Belongs to the IspD/TarI cytidylyltransferase family. IspD
CC subfamily. {ECO:0000256|ARBA:ARBA00009789, ECO:0000256|HAMAP-
CC Rule:MF_00108}.
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DR EMBL; CP003872; AFU46742.1; -; Genomic_DNA.
DR RefSeq; WP_015014746.1; NC_018708.1.
DR AlphaFoldDB; K0I123; -.
DR STRING; 358220.C380_15225; -.
DR KEGG; ack:C380_15225; -.
DR PATRIC; fig|358220.3.peg.3102; -.
DR eggNOG; COG1211; Bacteria.
DR HOGENOM; CLU_061281_3_0_4; -.
DR OrthoDB; 9806837at2; -.
DR UniPathway; UPA00056; UER00093.
DR Proteomes; UP000006306; Chromosome.
DR GO; GO:0050518; F:2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0019288; P:isopentenyl diphosphate biosynthetic process, methylerythritol 4-phosphate pathway; IEA:UniProtKB-UniPathway.
DR GO; GO:0016114; P:terpenoid biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd02516; CDP-ME_synthetase; 1.
DR HAMAP; MF_00108; IspD; 1.
DR InterPro; IPR001228; IspD.
DR InterPro; IPR034683; IspD/TarI.
DR InterPro; IPR018294; ISPD_synthase_CS.
DR InterPro; IPR029044; Nucleotide-diphossugar_trans.
DR PANTHER; PTHR32125; 2-C-METHYL-D-ERYTHRITOL 4-PHOSPHATE CYTIDYLYLTRANSFERASE, CHLOROPLASTIC; 1.
DR PANTHER; PTHR32125:SF4; 2-C-METHYL-D-ERYTHRITOL 4-PHOSPHATE CYTIDYLYLTRANSFERASE, CHLOROPLASTIC; 1.
DR Pfam; PF01128; IspD; 1.
DR SUPFAM; SSF53448; Nucleotide-diphospho-sugar transferases; 1.
DR PROSITE; PS01295; ISPD; 1.
PE 3: Inferred from homology;
KW Isoprene biosynthesis {ECO:0000256|ARBA:ARBA00023229, ECO:0000256|HAMAP-
KW Rule:MF_00108};
KW Nucleotidyltransferase {ECO:0000256|ARBA:ARBA00022695, ECO:0000256|HAMAP-
KW Rule:MF_00108};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00108}.
FT SITE 31
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00108"
FT SITE 73
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00108"
FT SITE 208
FT /note="Positions MEP for the nucleophilic attack"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00108"
FT SITE 261
FT /note="Positions MEP for the nucleophilic attack"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00108"
SQ SEQUENCE 304 AA; 31221 MW; 50138AC6BAD00A2D CRC64;
MTAPLLHPSL TPLSAQGRFW ALVPCAGVGS RAVLAGAGSP PPAQPVQAST VAAFSPAAAL
SASAPAVAGP LPKQYHLVAG HPMVLHTLAA FAGVGRLLGT LVAVAPGDRF LDAHAHPAFF
VVECGGATRA DTVLGGLKAL LERGAQPGDW VLVHDAARCL VTSEQIDALI DQCAGDSVGG
LLAHKLADTL KTSIDGPGGV RVASTVDRSD KWLAQTPQMF RIGPLMEAID KVGSNVTDEA
SAMEAMGFHP RLVPGGAQNF KVTYPDDFAL AAAVLAQRAH STTLERFGGK RGQVNTAPGK
KNLF
//
