ISPD_PHOLL
ID ISPD_PHOLL Reviewed; 243 AA.
AC Q7N8K7;
DT 31-AUG-2004, integrated into UniProtKB/Swiss-Prot.
DT 15-DEC-2003, sequence version 1.
DT 03-AUG-2022, entry version 104.
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=plu0713;
OS Photorhabdus laumondii subsp. laumondii (strain DSM 15139 / CIP 105565 /
OS TT01).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Morganellaceae; Photorhabdus.
OX NCBI_TaxID=243265;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 15139 / CIP 105565 / TT01;
RX PubMed=14528314; DOI=10.1038/nbt886;
RA Duchaud E., Rusniok C., Frangeul L., Buchrieser C., Givaudan A.,
RA Taourit S., Bocs S., Boursaux-Eude C., Chandler M., Charles J.-F.,
RA Dassa E., Derose R., Derzelle S., Freyssinet G., Gaudriault S., Medigue C.,
RA Lanois A., Powell K., Siguier P., Vincent R., Wingate V., Zouine M.,
RA Glaser P., Boemare N., Danchin A., Kunst F.;
RT "The genome sequence of the entomopathogenic bacterium Photorhabdus
RT luminescens.";
RL Nat. Biotechnol. 21:1307-1313(2003).
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; BX571861; CAE13008.1; -; Genomic_DNA.
DR RefSeq; WP_011145089.1; NC_005126.1.
DR AlphaFoldDB; Q7N8K7; -.
DR SMR; Q7N8K7; -.
DR STRING; 243265.plu0713; -.
DR EnsemblBacteria; CAE13008; CAE13008; plu0713.
DR GeneID; 24167932; -.
DR KEGG; plu:plu0713; -.
DR eggNOG; COG1211; Bacteria.
DR HOGENOM; CLU_061281_3_1_6; -.
DR OMA; ERQHSVY; -.
DR OrthoDB; 1836139at2; -.
DR BioCyc; PLUM243265:PLU_RS03560-MON; -.
DR UniPathway; UPA00056; UER00093.
DR Proteomes; UP000002514; 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; IPR018294; ISPD_synthase_CS.
DR InterPro; IPR029044; Nucleotide-diphossugar_trans.
DR Pfam; PF01128; IspD; 1.
DR SUPFAM; SSF53448; SSF53448; 1.
DR TIGRFAMs; TIGR00453; ispD; 1.
DR PROSITE; PS01295; ISPD; 1.
PE 3: Inferred from homology;
KW Isoprene biosynthesis; Nucleotidyltransferase; Reference proteome;
KW Transferase.
FT CHAIN 1..243
FT /note="2-C-methyl-D-erythritol 4-phosphate
FT cytidylyltransferase"
FT /id="PRO_0000075598"
FT SITE 24
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00108"
FT SITE 31
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00108"
FT SITE 170
FT /note="Positions MEP for the nucleophilic attack"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00108"
FT SITE 226
FT /note="Positions MEP for the nucleophilic attack"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00108"
SQ SEQUENCE 243 AA; 26704 MW; F7FFC8979FAD05A9 CRC64;
MNNLLLRSSA DIIALVPAAG IGSRMNSDCP KQYLSIAGKT IIEHTLSALL DHPRIRHVVI
VLNPTDTQFQ SLEVVSDSRI TTVTGGEQRA DSVLAGLNHL AHVTGNDNCW VLVHDAARPC
LHHDDLDRLL QLAEADEQGN MACGGILASP VRDTMKRGRV GQIIDHTVER QDLWHALTPQ
FFPLMLLRDC LSKALSQHAN ITDEASALEY CGYQPVLVNG RSDNIKVTCP EDLALAEFYL
SRK
