ID V2UME3_9GAMM Unreviewed; 238 AA.
AC V2UME3;
DT 22-JAN-2014, integrated into UniProtKB/TrEMBL.
DT 22-JAN-2014, sequence version 1.
DT 24-JAN-2024, entry version 47.
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 ORFNames=P255_01653 {ECO:0000313|EMBL:ESK51147.1};
OS Acinetobacter brisouii CIP 110357.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Moraxellales; Moraxellaceae;
OC Acinetobacter.
OX NCBI_TaxID=1341683 {ECO:0000313|EMBL:ESK51147.1, ECO:0000313|Proteomes:UP000018418};
RN [1] {ECO:0000313|EMBL:ESK51147.1, ECO:0000313|Proteomes:UP000018418}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CIP 110357 {ECO:0000313|EMBL:ESK51147.1,
RC ECO:0000313|Proteomes:UP000018418};
RG The Broad Institute Genomics Platform;
RG The Broad Institute Genome Sequencing Center for Infectious Disease;
RA Cerqueira G., Feldgarden M., Courvalin P., Grillot-Courvalin C.,
RA Clermont D., Rocha E., Yoon E.-J., Nemec A., Young S.K., Zeng Q.,
RA Gargeya S., Fitzgerald M., Abouelleil A., Alvarado L., Berlin A.M.,
RA Chapman S.B., Gainer-Dewar J., Goldberg J., Gnerre S., Griggs A., Gujja S.,
RA Hansen M., Howarth C., Imamovic A., Ireland A., Larimer J., McCowan C.,
RA Murphy C., Pearson M., Poon T.W., Priest M., Roberts A., Saif S., Shea T.,
RA Sykes S., Wortman J., Nusbaum C., Birren B.;
RT "The Genome Sequence of Acinetobacter brisouii CIP 110357.";
RL Submitted (OCT-2013) 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:ESK51147.1}.
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DR EMBL; AYEU01000006; ESK51147.1; -; Genomic_DNA.
DR RefSeq; WP_004900512.1; NZ_KI530762.1.
DR AlphaFoldDB; V2UME3; -.
DR STRING; 396323.VH98_02685; -.
DR PATRIC; fig|1341683.3.peg.1639; -.
DR HOGENOM; CLU_061281_3_1_6; -.
DR OrthoDB; 9806837at2; -.
DR UniPathway; UPA00056; UER00093.
DR Proteomes; UP000018418; 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:UP000018418};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00108}.
FT SITE 24
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00108"
FT SITE 31
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00108"
FT SITE 163
FT /note="Positions MEP for the nucleophilic attack"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00108"
FT SITE 219
FT /note="Positions MEP for the nucleophilic attack"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00108"
SQ SEQUENCE 238 AA; 26338 MW; AAD08A42615E68D4 CRC64;
MKMKTAQTCT KLWAIIPAAG SGRRFSPTEL KQYQKILDQT VLEHSVARLN KLPLAGYVLA
INSQDQFAKQ LPLACPERVH FCEGGRERVD SVLNALQYLQ AFAADDDYVL VHDAARPCIT
LESLQDLVEQ AQQQACSAIL ATPVRDTLKR VANQQQIETT VSRDALWQAQ TPQIARFSVL
KAAIEQALAA EMNITDEASA LEFAGQPVIV VQGRSDNIKI TYPEDLHLAE LILTAQQK
//
