ID J4V4T3_9GAMM Unreviewed; 381 AA.
AC J4V4T3;
DT 31-OCT-2012, integrated into UniProtKB/TrEMBL.
DT 31-OCT-2012, sequence version 1.
DT 24-JAN-2024, entry version 58.
DE RecName: Full=2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase {ECO:0000256|ARBA:ARBA00012579, ECO:0000256|HAMAP-Rule:MF_00107};
DE Short=MECDP-synthase {ECO:0000256|HAMAP-Rule:MF_00107};
DE Short=MECPP-synthase {ECO:0000256|HAMAP-Rule:MF_00107};
DE Short=MECPS {ECO:0000256|HAMAP-Rule:MF_00107};
DE EC=4.6.1.12 {ECO:0000256|ARBA:ARBA00012579, ECO:0000256|HAMAP-Rule:MF_00107};
GN Name=ispF {ECO:0000256|HAMAP-Rule:MF_00107};
GN ORFNames=NT02SARS_0343 {ECO:0000313|EMBL:EJP73512.1};
OS SAR86 cluster bacterium SAR86B.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; SAR86 cluster.
OX NCBI_TaxID=1123867 {ECO:0000313|EMBL:EJP73512.1, ECO:0000313|Proteomes:UP000010116};
RN [1] {ECO:0000313|EMBL:EJP73512.1, ECO:0000313|Proteomes:UP000010116}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=22170421; DOI=10.1038/ismej.2011.189;
RA Dupont C.L., Rusch D.B., Yooseph S., Lombardo M.J., Richter R.A., Valas R.,
RA Novotny M., Yee-Greenbaum J., Selengut J.D., Haft D.H., Halpern A.L.,
RA Lasken R.S., Nealson K., Friedman R., Venter J.C.;
RT "Genomic insights to SAR86, an abundant and uncultivated marine bacterial
RT lineage.";
RL ISME J. 6:1186-1199(2012).
CC -!- FUNCTION: Involved in the biosynthesis of isopentenyl diphosphate (IPP)
CC and dimethylallyl diphosphate (DMAPP), two major building blocks of
CC isoprenoid compounds. Catalyzes the conversion of 4-diphosphocytidyl-2-
CC C-methyl-D-erythritol 2-phosphate (CDP-ME2P) to 2-C-methyl-D-erythritol
CC 2,4-cyclodiphosphate (ME-CPP) with a corresponding release of cytidine
CC 5-monophosphate (CMP). {ECO:0000256|HAMAP-Rule:MF_00107}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=4-CDP-2-C-methyl-D-erythritol 2-phosphate = 2-C-methyl-D-
CC erythritol 2,4-cyclic diphosphate + CMP; Xref=Rhea:RHEA:23864,
CC ChEBI:CHEBI:57919, ChEBI:CHEBI:58483, ChEBI:CHEBI:60377; EC=4.6.1.12;
CC Evidence={ECO:0000256|ARBA:ARBA00000200, ECO:0000256|HAMAP-
CC Rule:MF_00107, ECO:0000256|RuleBase:RU004395};
CC -!- COFACTOR:
CC Name=a divalent metal cation; Xref=ChEBI:CHEBI:60240;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00107};
CC Note=Binds 1 divalent metal cation per subunit. {ECO:0000256|HAMAP-
CC Rule:MF_00107};
CC -!- PATHWAY: Isoprenoid biosynthesis; isopentenyl diphosphate biosynthesis
CC via DXP pathway; isopentenyl diphosphate from 1-deoxy-D-xylulose 5-
CC phosphate: step 4/6. {ECO:0000256|ARBA:ARBA00004709, ECO:0000256|HAMAP-
CC Rule:MF_00107}.
CC -!- SUBUNIT: Homotrimer. {ECO:0000256|ARBA:ARBA00011233, ECO:0000256|HAMAP-
CC Rule:MF_00107}.
CC -!- SIMILARITY: Belongs to the IspF family. {ECO:0000256|ARBA:ARBA00008480,
CC ECO:0000256|HAMAP-Rule:MF_00107, ECO:0000256|RuleBase:RU004395}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_00107}.
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DR EMBL; JH611165; EJP73512.1; -; Genomic_DNA.
DR AlphaFoldDB; J4V4T3; -.
DR HOGENOM; CLU_042800_2_6_6; -.
DR UniPathway; UPA00056; UER00095.
DR Proteomes; UP000010116; Unassembled WGS sequence.
DR GO; GO:0008685; F:2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0070567; F:cytidylyltransferase activity; IEA:InterPro.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
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 CDD; cd00554; MECDP_synthase; 1.
DR Gene3D; 3.30.1330.50; 2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase; 1.
DR HAMAP; MF_00107; IspF; 1.
DR InterPro; IPR034683; IspD/TarI.
DR InterPro; IPR003526; MECDP_synthase.
DR InterPro; IPR020555; MECDP_synthase_CS.
DR InterPro; IPR036571; MECDP_synthase_sf.
DR InterPro; IPR029044; Nucleotide-diphossugar_trans.
DR NCBIfam; TIGR00151; ispF; 1.
DR PANTHER; PTHR43181; 2-C-METHYL-D-ERYTHRITOL 2,4-CYCLODIPHOSPHATE SYNTHASE, CHLOROPLASTIC; 1.
DR PANTHER; PTHR43181:SF1; 2-C-METHYL-D-ERYTHRITOL 2,4-CYCLODIPHOSPHATE SYNTHASE, CHLOROPLASTIC; 1.
DR Pfam; PF01128; IspD; 1.
DR Pfam; PF02542; YgbB; 1.
DR SUPFAM; SSF69765; IpsF-like; 1.
DR SUPFAM; SSF53448; Nucleotide-diphospho-sugar transferases; 1.
DR PROSITE; PS01350; ISPF; 1.
PE 3: Inferred from homology;
KW Isoprene biosynthesis {ECO:0000256|ARBA:ARBA00023229, ECO:0000256|HAMAP-
KW Rule:MF_00107};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_00107};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00107}; Reference proteome {ECO:0000313|Proteomes:UP000010116}.
FT DOMAIN 226..378
FT /note="2-C-methyl-D-erythritol 2,4-cyclodiphosphate
FT synthase"
FT /evidence="ECO:0000259|Pfam:PF02542"
FT BINDING 232..234
FT /ligand="4-CDP-2-C-methyl-D-erythritol 2-phosphate"
FT /ligand_id="ChEBI:CHEBI:57919"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00107"
FT BINDING 232
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00107"
FT BINDING 234
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00107"
FT BINDING 258..259
FT /ligand="4-CDP-2-C-methyl-D-erythritol 2-phosphate"
FT /ligand_id="ChEBI:CHEBI:57919"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00107"
FT BINDING 266
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00107"
FT BINDING 280..282
FT /ligand="4-CDP-2-C-methyl-D-erythritol 2-phosphate"
FT /ligand_id="ChEBI:CHEBI:57919"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00107"
FT BINDING 285..289
FT /ligand="4-CDP-2-C-methyl-D-erythritol 2-phosphate"
FT /ligand_id="ChEBI:CHEBI:57919"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00107"
FT BINDING 356..359
FT /ligand="4-CDP-2-C-methyl-D-erythritol 2-phosphate"
FT /ligand_id="ChEBI:CHEBI:57919"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00107"
FT SITE 258
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00107"
FT SITE 357
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00107"
SQ SEQUENCE 381 AA; 42489 MW; 54968416C8BF16C5 CRC64;
MIKNQNKIIG IIPAAGIGER FGSKTPKQYF RLDSNTIIEK TIDIFINHQN IDTVYVAVSE
KDHLINDQSF CKHPKIKLVI GGSSRGESVL NCLNKAAKDG ALFSIVHDAV RPNITSNDID
QLIQHKDDYD LVFFYRPITD SIKIKDSIKD KTVKKDDYYI VQTPQIAKTK TLRDVLLSCV
NNNIDIPDES FAMEMHDKDI HKILGRTSNI KITHKDDLDL ISKKTKYGIG YDIHSYRDGS
GFKLGGHFIK CDFSIVAHSD GDVLIHSISD AILGALGIGD IGIFFNDNDP ENKDMDSASI
FKFCIEKLEA MNYEILHIDA NIICQQPKIN PQRDDILNSL AGLLNLDINQ LSIKATTTER
LGNIGANKAM AVESIVTIGK L
//