ID A0A177HYL0_9ACTN Unreviewed; 265 AA.
AC A0A177HYL0;
DT 07-SEP-2016, integrated into UniProtKB/TrEMBL.
DT 07-SEP-2016, sequence version 1.
DT 24-JAN-2024, entry version 30.
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:OAH15747.1};
GN ORFNames=STSP_08530 {ECO:0000313|EMBL:OAH15747.1};
OS Streptomyces jeddahensis.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=1716141 {ECO:0000313|EMBL:OAH15747.1, ECO:0000313|Proteomes:UP000077381};
RN [1] {ECO:0000313|EMBL:OAH15747.1, ECO:0000313|Proteomes:UP000077381}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=G25(2015) {ECO:0000313|Proteomes:UP000077381};
RA Poehlein A., Roettig A., Hiessl S., Hauschild P., Schauer J., Madkour M.H.,
RA Al-Ansari A.M., Almakishah N.H., Steinbuechel A., Daniel R.;
RT "Genome sequence of Streptomyces sp. G25.";
RL Submitted (DEC-2015) to the EMBL/GenBank/DDBJ databases.
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 -!- SIMILARITY: Belongs to the IspD/TarI cytidylyltransferase family. IspD
CC subfamily. {ECO:0000256|ARBA:ARBA00009789, ECO:0000256|HAMAP-
CC Rule:MF_00108}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:OAH15747.1}.
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DR EMBL; LOHS01000034; OAH15747.1; -; Genomic_DNA.
DR RefSeq; WP_067272145.1; NZ_LOHS01000034.1.
DR AlphaFoldDB; A0A177HYL0; -.
DR STRING; 1716141.STSP_08530; -.
DR PATRIC; fig|1716141.3.peg.902; -.
DR OrthoDB; 9802561at2; -.
DR UniPathway; UPA00056; UER00093.
DR Proteomes; UP000077381; Unassembled WGS sequence.
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}; Reference proteome {ECO:0000313|Proteomes:UP000077381};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00108}.
FT REGION 1..28
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 1..26
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT SITE 39
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00108"
FT SITE 46
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00108"
FT SITE 186
FT /note="Positions MEP for the nucleophilic attack"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00108"
FT SITE 242
FT /note="Positions MEP for the nucleophilic attack"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00108"
SQ SEQUENCE 265 AA; 27305 MW; D077E7C6CFCEF825 CRC64;
MSDVSRPPSG GESRTAGQSG SAGQSRTAAV IPAAGRGVRL GPGAPKALRP LNGTPMLIHA
VRAMAASRAV SLVVVVAPPD GAAEVKSLLA SHALPERTDF LVITGGDTRQ ESVKLGLDAL
PPGIDIVLVH DAARPLVPVD TVDAVIEAVR AGDPAVVPAL PLADTVKQVE PREKGEPEPV
VATPERARLR AVQTPQGFDR ATLVRAHETV ALSGEGATDD AGMVEQLGVP VVVVPGHEEA
FKVTRPLDLV LAEAVLARRR ANDGF
//