ISPD_CROS8
ID ISPD_CROS8 Reviewed; 236 AA.
AC A7MJ57;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 02-OCT-2007, sequence version 1.
DT 03-AUG-2022, entry version 76.
DE RecName: Full=2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase {ECO:0000255|HAMAP-Rule:MF_00108};
DE EC=2.7.7.60 {ECO:0000255|HAMAP-Rule:MF_00108};
DE AltName: Full=4-diphosphocytidyl-2C-methyl-D-erythritol synthase {ECO:0000255|HAMAP-Rule:MF_00108};
DE AltName: Full=MEP cytidylyltransferase {ECO:0000255|HAMAP-Rule:MF_00108};
DE Short=MCT {ECO:0000255|HAMAP-Rule:MF_00108};
GN Name=ispD {ECO:0000255|HAMAP-Rule:MF_00108}; OrderedLocusNames=ESA_00544;
OS Cronobacter sakazakii (strain ATCC BAA-894) (Enterobacter sakazakii).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Cronobacter.
OX NCBI_TaxID=290339;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-894;
RX PubMed=20221447; DOI=10.1371/journal.pone.0009556;
RA Kucerova E., Clifton S.W., Xia X.Q., Long F., Porwollik S., Fulton L.,
RA Fronick C., Minx P., Kyung K., Warren W., Fulton R., Feng D., Wollam A.,
RA Shah N., Bhonagiri V., Nash W.E., Hallsworth-Pepin K., Wilson R.K.,
RA McClelland M., Forsythe S.J.;
RT "Genome sequence of Cronobacter sakazakii BAA-894 and comparative genomic
RT hybridization analysis with other Cronobacter species.";
RL PLoS ONE 5:E9556-E9556(2010).
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:0000255|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:0000255|HAMAP-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:0000255|HAMAP-Rule:MF_00108}.
CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00108}.
CC -!- SIMILARITY: Belongs to the IspD/TarI cytidylyltransferase family. IspD
CC subfamily. {ECO:0000255|HAMAP-Rule:MF_00108}.
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DR EMBL; CP000783; ABU75835.1; -; Genomic_DNA.
DR RefSeq; WP_012123931.1; NC_009778.1.
DR AlphaFoldDB; A7MJ57; -.
DR SMR; A7MJ57; -.
DR EnsemblBacteria; ABU75835; ABU75835; ESA_00544.
DR KEGG; esa:ESA_00544; -.
DR PATRIC; fig|290339.8.peg.488; -.
DR HOGENOM; CLU_061281_3_1_6; -.
DR OMA; ERQHSVY; -.
DR OrthoDB; 1836139at2; -.
DR UniPathway; UPA00056; UER00093.
DR Proteomes; UP000000260; 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 Gene3D; 3.90.550.10; -; 1.
DR HAMAP; MF_00108; IspD; 1.
DR InterPro; IPR001228; IspD.
DR InterPro; IPR034683; IspD/TarI.
DR InterPro; IPR029044; Nucleotide-diphossugar_trans.
DR Pfam; PF01128; IspD; 1.
DR SUPFAM; SSF53448; SSF53448; 1.
DR TIGRFAMs; TIGR00453; ispD; 1.
PE 3: Inferred from homology;
KW Isoprene biosynthesis; Nucleotidyltransferase; Transferase.
FT CHAIN 1..236
FT /note="2-C-methyl-D-erythritol 4-phosphate
FT cytidylyltransferase"
FT /id="PRO_1000022925"
FT SITE 20
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00108"
FT SITE 27
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00108"
FT SITE 157
FT /note="Positions MEP for the nucleophilic attack"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00108"
FT SITE 213
FT /note="Positions MEP for the nucleophilic attack"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00108"
SQ SEQUENCE 236 AA; 25134 MW; 6C0322A2C1ED64DF CRC64;
MAPSFADVIA VVPAAGIGSR MQTECPKQYL TIGNQTILEH AVAPLLQHPR ISRVIIAISP
ADTAFARLPL AAHPDIQVVR GGAQRADSVL AGLQAAGDAR WALVHDAARP CLSAQDLERL
LALTETSQVG GILAAPACDT MKRAEPGKPA IAHTVDRENL WHALTPQLFP LELLRDCLTR
ALAEGATITD EASALEHCGF HPELVAGRAD NIKVTRPEDL ALAAFYLTRL TPMETA
