ISPD_CHLMU
ID ISPD_CHLMU Reviewed; 218 AA.
AC Q9PJT1;
DT 11-JAN-2001, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-2000, sequence version 1.
DT 25-MAY-2022, entry version 114.
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=TC_0747;
OS Chlamydia muridarum (strain MoPn / Nigg).
OC Bacteria; Chlamydiae; Chlamydiales; Chlamydiaceae;
OC Chlamydia/Chlamydophila group; Chlamydia.
OX NCBI_TaxID=243161;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MoPn / Nigg;
RX PubMed=10684935; DOI=10.1093/nar/28.6.1397;
RA Read T.D., Brunham R.C., Shen C., Gill S.R., Heidelberg J.F., White O.,
RA Hickey E.K., Peterson J.D., Utterback T.R., Berry K.J., Bass S.,
RA Linher K.D., Weidman J.F., Khouri H.M., Craven B., Bowman C., Dodson R.J.,
RA Gwinn M.L., Nelson W.C., DeBoy R.T., Kolonay J.F., McClarty G.,
RA Salzberg S.L., Eisen J.A., Fraser C.M.;
RT "Genome sequences of Chlamydia trachomatis MoPn and Chlamydia pneumoniae
RT AR39.";
RL Nucleic Acids Res. 28:1397-1406(2000).
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 -!- SIMILARITY: Belongs to the IspD/TarI cytidylyltransferase family. IspD
CC subfamily. {ECO:0000255|HAMAP-Rule:MF_00108}.
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DR EMBL; AE002160; AAF39554.1; -; Genomic_DNA.
DR PIR; C81669; C81669.
DR RefSeq; WP_010231427.1; NZ_CP027217.1.
DR AlphaFoldDB; Q9PJT1; -.
DR SMR; Q9PJT1; -.
DR STRING; 243161.TC_0747; -.
DR EnsemblBacteria; AAF39554; AAF39554; TC_0747.
DR GeneID; 1246110; -.
DR KEGG; cmu:TC_0747; -.
DR eggNOG; COG1211; Bacteria.
DR HOGENOM; CLU_061281_3_0_0; -.
DR OMA; ERQHSVY; -.
DR OrthoDB; 1836139at2; -.
DR UniPathway; UPA00056; UER00093.
DR Proteomes; UP000000800; 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; Transferase.
FT CHAIN 1..218
FT /note="2-C-methyl-D-erythritol 4-phosphate
FT cytidylyltransferase"
FT /id="PRO_0000075560"
FT SITE 17
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00108"
FT SITE 24
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00108"
FT SITE 142
FT /note="Positions MEP for the nucleophilic attack"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00108"
FT SITE 198
FT /note="Positions MEP for the nucleophilic attack"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00108"
SQ SEQUENCE 218 AA; 23957 MW; F465A7FC1198925B CRC64;
MNLSCSLVLL GGGRGERFNS PQPKQYTPLC GEPLILHALH SYQSLPFIQE IVVVCEEHYQ
ELFSPYSVKF ASPGALRQDS VFSGLQQVSL PWVCVHDGVR PFVYANEVSE VCSAALKTGA
AALATSATYT IKSRTPVRTL DRDAVAVIHT PQCINTEILK EGLLLANMMD FTLSDDSEAA
ELLGIEPTLV FSNRVQMKIT YPEDLLFAEA LLSKAHIR
