ID   ISPE_ACET2              Reviewed;         283 AA.
AC   A3DI26;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   20-MAR-2007, sequence version 1.
DT   10-JUN-2026, entry version 97.
DE   RecName: Full=4-diphosphocytidyl-2-C-methyl-D-erythritol kinase {ECO:0000255|HAMAP-Rule:MF_00061};
DE            Short=CMK {ECO:0000255|HAMAP-Rule:MF_00061};
DE            EC=2.7.1.148 {ECO:0000255|HAMAP-Rule:MF_00061};
DE   AltName: Full=4-(cytidine-5'-diphospho)-2-C-methyl-D-erythritol kinase {ECO:0000255|HAMAP-Rule:MF_00061};
GN   Name=ispE {ECO:0000255|HAMAP-Rule:MF_00061};
GN   OrderedLocusNames=Cthe_2403;
OS   Acetivibrio thermocellus (strain ATCC 27405 / DSM 1237 / JCM 9322 / NBRC
OS   103400 / NCIMB 10682 / NRRL B-4536 / VPI 7372) (Clostridium thermocellum).
OC   Bacteria; Bacillati; Bacillota; Clostridia; Acetivibrionales;
OC   Acetivibrionaceae; Acetivibrio.
OX   NCBI_TaxID=203119;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 27405 / DSM 1237 / JCM 9322 / NBRC 103400 / NCIMB 10682 /
RC   NRRL B-4536 / VPI 7372;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Chertkov O., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Wu J.H.D.,
RA   Newcomb M., Richardson P.;
RT   "Complete sequence of Clostridium thermocellum ATCC 27405.";
RL   Submitted (FEB-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the phosphorylation of the position 2 hydroxy group
CC       of 4-diphosphocytidyl-2C-methyl-D-erythritol. {ECO:0000255|HAMAP-
CC       Rule:MF_00061}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=4-CDP-2-C-methyl-D-erythritol + ATP = 4-CDP-2-C-methyl-D-
CC         erythritol 2-phosphate + ADP + H(+); Xref=Rhea:RHEA:18437,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:30616, ChEBI:CHEBI:57823,
CC         ChEBI:CHEBI:57919, ChEBI:CHEBI:456216; EC=2.7.1.148;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00061};
CC   -!- PATHWAY: Isoprenoid biosynthesis; isopentenyl diphosphate biosynthesis
CC       via DXP pathway; isopentenyl diphosphate from 1-deoxy-D-xylulose 5-
CC       phosphate: step 3/6. {ECO:0000255|HAMAP-Rule:MF_00061}.
CC   -!- SIMILARITY: Belongs to the GHMP kinase family. IspE subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_00061}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; CP000568; ABN53605.1; -; Genomic_DNA.
DR   RefSeq; WP_020457789.1; NC_009012.1.
DR   AlphaFoldDB; A3DI26; -.
DR   SMR; A3DI26; -.
DR   STRING; 203119.Cthe_2403; -.
DR   GeneID; 35804073; -.
DR   KEGG; cth:Cthe_2403; -.
DR   eggNOG; COG1947; Bacteria.
DR   HOGENOM; CLU_053057_1_1_9; -.
DR   UniPathway; UPA00056; UER00094.
DR   Proteomes; UP000002145; Chromosome.
DR   GO; GO:0050515; F:4-(cytidine 5'-diphospho)-2-C-methyl-D-erythritol kinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0019288; P:isopentenyl diphosphate biosynthetic process, methylerythritol 4-phosphate pathway; IEA:UniProtKB-UniRule.
DR   GO; GO:0016114; P:terpenoid biosynthetic process; IEA:InterPro.
DR   Gene3D; 3.30.230.10; -; 1.
DR   Gene3D; 3.30.70.890; GHMP kinase, C-terminal domain; 1.
DR   HAMAP; MF_00061; IspE; 1.
DR   InterPro; IPR013750; GHMP_kinase_C_dom.
DR   InterPro; IPR036554; GHMP_kinase_C_sf.
DR   InterPro; IPR006204; GHMP_kinase_N_dom.
DR   InterPro; IPR004424; IspE.
DR   InterPro; IPR020568; Ribosomal_Su5_D2-typ_SF.
DR   InterPro; IPR014721; Ribsml_uS5_D2-typ_fold_subgr.
DR   NCBIfam; TIGR00154; ispE; 1.
DR   PANTHER; PTHR43527; 4-DIPHOSPHOCYTIDYL-2-C-METHYL-D-ERYTHRITOL KINASE, CHLOROPLASTIC; 1.
DR   PANTHER; PTHR43527:SF2; 4-DIPHOSPHOCYTIDYL-2-C-METHYL-D-ERYTHRITOL KINASE, CHLOROPLASTIC; 1.
DR   Pfam; PF08544; GHMP_kinases_C; 1.
DR   Pfam; PF00288; GHMP_kinases_N; 1.
DR   PIRSF; PIRSF010376; IspE; 1.
DR   SUPFAM; SSF55060; GHMP Kinase, C-terminal domain; 1.
DR   SUPFAM; SSF54211; Ribosomal protein S5 domain 2-like; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Isoprene biosynthesis; Kinase; Nucleotide-binding;
KW   Reference proteome; Transferase.
FT   CHAIN           1..283
FT                   /note="4-diphosphocytidyl-2-C-methyl-D-erythritol kinase"
FT                   /id="PRO_0000335708"
FT   ACT_SITE        11
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00061"
FT   ACT_SITE        136
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00061"
FT   BINDING         94..104
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00061"
SQ   SEQUENCE   283 AA;  30680 MW;  F270E0B6A942DED2 CRC64;
     MESISLKAHA KINLSLDVIG KRQDGYHEVR MIMQSIALHD EVVIEKRAAG IKVECDKPWV
     PEGSGNIAYK AANLMMERYK IESGVGIKIL KRIPVAAGLA GGSADAAAVI KGMNELFNLN
     ADEAELMDIG KQVGADVPFC IKGGTMLSEG IGEKLTKIPS FEGVNIVLVK PKVGVSTAWV
     YSNLKLNEIS SRPDTELLIK AIYEKNIGCL AQNMTNVLET VTIKKYGVIN DIKNELLRLG
     ALGSMMSGSG PSVFGIFENE KQACLAYEGL KNSEWECFVT QTI
//