ID D2AIJ1_SHIF2 Unreviewed; 236 AA.
AC D2AIJ1;
DT 09-FEB-2010, integrated into UniProtKB/TrEMBL.
DT 09-FEB-2010, sequence version 1.
DT 27-MAR-2024, entry version 86.
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 ECO:0000313|EMBL:ADA75102.1};
GN OrderedLocusNames=SFxv_3038 {ECO:0000313|EMBL:ADA75102.1};
OS Shigella flexneri serotype X (strain 2002017).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Shigella.
OX NCBI_TaxID=591020 {ECO:0000313|EMBL:ADA75102.1, ECO:0000313|Proteomes:UP000001884};
RN [1] {ECO:0000313|EMBL:ADA75102.1, ECO:0000313|Proteomes:UP000001884}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=2002017 {ECO:0000313|EMBL:ADA75102.1,
RC ECO:0000313|Proteomes:UP000001884};
RX PubMed=19955273; DOI=10.1128/JCM.00614-09;
RA Ye C., Lan R., Xia S., Zhang J., Sun Q., Zhang S., Jing H., Wang L., Li Z.,
RA Zhou Z., Zhao A., Cui Z., Cao J., Jin D., Huang L., Wang Y., Luo X.,
RA Bai X., Wang Y., Wang P., Xu Q., Xu J.;
RT "Emergence of a new multidrug-resistant serotype X variant in an epidemic
RT clone of Shigella flexneri.";
RL J. Clin. Microbiol. 48:419-426(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: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 -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-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; CP001383; ADA75102.1; -; Genomic_DNA.
DR RefSeq; WP_000246155.1; NC_017328.1.
DR AlphaFoldDB; D2AIJ1; -.
DR SMR; D2AIJ1; -.
DR KEGG; sfe:SFxv_3038; -.
DR PATRIC; fig|591020.3.peg.3290; -.
DR HOGENOM; CLU_061281_3_1_6; -.
DR UniPathway; UPA00056; UER00093.
DR Proteomes; UP000001884; 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 NCBIfam; TIGR00453; ispD; 1.
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 20
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00108"
FT SITE 27
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00108"
FT SITE 157
FT /note="Positions MEP for the nucleophilic attack"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00108"
FT SITE 213
FT /note="Positions MEP for the nucleophilic attack"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00108"
SQ SEQUENCE 236 AA; 25738 MW; B0075750BAA3F20C CRC64;
MATTHLDVCA VVPAAGFGRR MQTECPKQYL SIGNQTILEH SVHALLAHPR VTRVVIAISP
GDSRFAQLPL ANHPQITVVD GGDERADSVL AGLKAAGDVQ WVLVHDAARP CLHQDDLARL
LALSETSRTG GILAAPVRDT MKRAEPGKNA IAHTVDRNGL WHALTPQFFP RELLHDCLTR
ALNEGATITD EASALEYCGF HPQLVEGRAD NIKVTRPEDL ALAEFYLTRT IHQENT
//
