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ISPG_SHIB3
ID   ISPG_SHIB3              Reviewed;         372 AA.
AC   B2TXU0;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-2008, sequence version 1.
DT   03-AUG-2022, entry version 83.
DE   RecName: Full=4-hydroxy-3-methylbut-2-en-1-yl diphosphate synthase (flavodoxin) {ECO:0000255|HAMAP-Rule:MF_00159};
DE            EC=1.17.7.3 {ECO:0000255|HAMAP-Rule:MF_00159};
DE   AltName: Full=1-hydroxy-2-methyl-2-(E)-butenyl 4-diphosphate synthase {ECO:0000255|HAMAP-Rule:MF_00159};
GN   Name=ispG {ECO:0000255|HAMAP-Rule:MF_00159};
GN   OrderedLocusNames=SbBS512_E2890;
OS   Shigella boydii serotype 18 (strain CDC 3083-94 / BS512).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Shigella.
OX   NCBI_TaxID=344609;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CDC 3083-94 / BS512;
RA   Rasko D.A., Rosovitz M., Maurelli A.T., Myers G., Seshadri R., Cer R.,
RA   Jiang L., Ravel J., Sebastian Y.;
RT   "Complete sequence of Shigella boydii serotype 18 strain BS512.";
RL   Submitted (MAY-2008) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Converts 2C-methyl-D-erythritol 2,4-cyclodiphosphate (ME-
CC       2,4cPP) into 1-hydroxy-2-methyl-2-(E)-butenyl 4-diphosphate.
CC       {ECO:0000255|HAMAP-Rule:MF_00159}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(2E)-4-hydroxy-3-methylbut-2-enyl diphosphate + 2 H(+) + H2O +
CC         oxidized [flavodoxin] = 2-C-methyl-D-erythritol 2,4-cyclic
CC         diphosphate + reduced [flavodoxin]; Xref=Rhea:RHEA:43604, Rhea:RHEA-
CC         COMP:10622, Rhea:RHEA-COMP:10623, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:57618, ChEBI:CHEBI:58210,
CC         ChEBI:CHEBI:58483, ChEBI:CHEBI:128753; EC=1.17.7.3;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00159};
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00159};
CC       Note=Binds 1 [4Fe-4S] cluster. {ECO:0000255|HAMAP-Rule:MF_00159};
CC   -!- PATHWAY: Isoprenoid biosynthesis; isopentenyl diphosphate biosynthesis
CC       via DXP pathway; isopentenyl diphosphate from 1-deoxy-D-xylulose 5-
CC       phosphate: step 5/6. {ECO:0000255|HAMAP-Rule:MF_00159}.
CC   -!- SIMILARITY: Belongs to the IspG family. {ECO:0000255|HAMAP-
CC       Rule:MF_00159}.
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DR   EMBL; CP001063; ACD09748.1; -; Genomic_DNA.
DR   RefSeq; WP_000551824.1; NC_010658.1.
DR   AlphaFoldDB; B2TXU0; -.
DR   SMR; B2TXU0; -.
DR   STRING; 344609.SbBS512_E2890; -.
DR   EnsemblBacteria; ACD09748; ACD09748; SbBS512_E2890.
DR   KEGG; sbc:SbBS512_E2890; -.
DR   HOGENOM; CLU_042258_0_0_6; -.
DR   OMA; PTCGRTQ; -.
DR   UniPathway; UPA00056; UER00096.
DR   Proteomes; UP000001030; Chromosome.
DR   GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0046429; F:4-hydroxy-3-methylbut-2-en-1-yl diphosphate synthase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0005506; F:iron ion binding; IEA:InterPro.
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   Gene3D; 3.20.20.20; -; 1.
DR   Gene3D; 3.30.413.10; -; 1.
DR   HAMAP; MF_00159; IspG; 1.
DR   InterPro; IPR011005; Dihydropteroate_synth-like.
DR   InterPro; IPR036849; Enolase-like_C_sf.
DR   InterPro; IPR016425; IspG_bac.
DR   InterPro; IPR004588; IspG_bac-typ.
DR   InterPro; IPR045854; NO2/SO3_Rdtase_4Fe4S_sf.
DR   PANTHER; PTHR30454; PTHR30454; 1.
DR   Pfam; PF04551; GcpE; 1.
DR   PIRSF; PIRSF004640; IspG; 1.
DR   SUPFAM; SSF51604; SSF51604; 1.
DR   SUPFAM; SSF56014; SSF56014; 1.
DR   TIGRFAMs; TIGR00612; ispG_gcpE; 1.
PE   3: Inferred from homology;
KW   4Fe-4S; Iron; Iron-sulfur; Isoprene biosynthesis; Metal-binding;
KW   Oxidoreductase.
FT   CHAIN           1..372
FT                   /note="4-hydroxy-3-methylbut-2-en-1-yl diphosphate synthase
FT                   (flavodoxin)"
FT                   /id="PRO_1000097187"
FT   BINDING         270
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00159"
FT   BINDING         273
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00159"
FT   BINDING         305
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00159"
FT   BINDING         312
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00159"
SQ   SEQUENCE   372 AA;  40726 MW;  A9A656DF939DE0BA CRC64;
     MHNQAPIQRR KSTRIYVGNV PIGDGAPIAV QSMTNTRTTD VEATVNQIKA LERVGADIVR
     VSVPTMDEAE AFKLIKQRVN VPLVADIHFD YRIALKVAEY GVDCLRINPG NIGNEERIRM
     VVDCARDKNI PIRIGVNAGS LEKDLQEKYG EPTPQALLES AMRHVDHLDR LNFAQFKVSV
     KASDVFLAVE SYRLLAKQID QPLHLGITEA GGARSGAVKS AIGLGLLLSE GIGDTLRVSL
     AADPVEEIKV GFDILKSLRI RSRGINFIAC PTCSRQEFDV IGTVNALEQR LEDIITPMDV
     SIIGCVVNGP GEALVSTLGV TGGNKKSGLY EDGVRKDRLD NNDMIDQLEA RIRAKASQLD
     EARRIDVQQV EK
 
 
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