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ISPH_ALISL
ID   ISPH_ALISL              Reviewed;         314 AA.
AC   B6ENC7;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   25-NOV-2008, sequence version 1.
DT   03-AUG-2022, entry version 73.
DE   RecName: Full=4-hydroxy-3-methylbut-2-enyl diphosphate reductase {ECO:0000255|HAMAP-Rule:MF_00191};
DE            Short=HMBPP reductase {ECO:0000255|HAMAP-Rule:MF_00191};
DE            EC=1.17.7.4 {ECO:0000255|HAMAP-Rule:MF_00191};
GN   Name=ispH {ECO:0000255|HAMAP-Rule:MF_00191}; OrderedLocusNames=VSAL_I0583;
OS   Aliivibrio salmonicida (strain LFI1238) (Vibrio salmonicida (strain
OS   LFI1238)).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC   Aliivibrio.
OX   NCBI_TaxID=316275;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=LFI1238;
RX   PubMed=19099551; DOI=10.1186/1471-2164-9-616;
RA   Hjerde E., Lorentzen M.S., Holden M.T., Seeger K., Paulsen S., Bason N.,
RA   Churcher C., Harris D., Norbertczak H., Quail M.A., Sanders S.,
RA   Thurston S., Parkhill J., Willassen N.P., Thomson N.R.;
RT   "The genome sequence of the fish pathogen Aliivibrio salmonicida strain
RT   LFI1238 shows extensive evidence of gene decay.";
RL   BMC Genomics 9:616-616(2008).
CC   -!- FUNCTION: Catalyzes the conversion of 1-hydroxy-2-methyl-2-(E)-butenyl
CC       4-diphosphate (HMBPP) into a mixture of isopentenyl diphosphate (IPP)
CC       and dimethylallyl diphosphate (DMAPP). Acts in the terminal step of the
CC       DOXP/MEP pathway for isoprenoid precursor biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00191}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H2O + isopentenyl diphosphate + 2 oxidized [2Fe-2S]-
CC         [ferredoxin] = (2E)-4-hydroxy-3-methylbut-2-enyl diphosphate + 2 H(+)
CC         + 2 reduced [2Fe-2S]-[ferredoxin]; Xref=Rhea:RHEA:24488, Rhea:RHEA-
CC         COMP:10000, Rhea:RHEA-COMP:10001, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:33737, ChEBI:CHEBI:33738,
CC         ChEBI:CHEBI:128753, ChEBI:CHEBI:128769; EC=1.17.7.4;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00191};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=dimethylallyl diphosphate + H2O + 2 oxidized [2Fe-2S]-
CC         [ferredoxin] = (2E)-4-hydroxy-3-methylbut-2-enyl diphosphate + 2 H(+)
CC         + 2 reduced [2Fe-2S]-[ferredoxin]; Xref=Rhea:RHEA:24825, Rhea:RHEA-
CC         COMP:10000, Rhea:RHEA-COMP:10001, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:33737, ChEBI:CHEBI:33738,
CC         ChEBI:CHEBI:57623, ChEBI:CHEBI:128753; EC=1.17.7.4;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00191};
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00191};
CC       Note=Binds 1 [4Fe-4S] cluster per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_00191};
CC   -!- PATHWAY: Isoprenoid biosynthesis; dimethylallyl diphosphate
CC       biosynthesis; dimethylallyl diphosphate from (2E)-4-hydroxy-3-
CC       methylbutenyl diphosphate: step 1/1. {ECO:0000255|HAMAP-Rule:MF_00191}.
CC   -!- PATHWAY: Isoprenoid biosynthesis; isopentenyl diphosphate biosynthesis
CC       via DXP pathway; isopentenyl diphosphate from 1-deoxy-D-xylulose 5-
CC       phosphate: step 6/6. {ECO:0000255|HAMAP-Rule:MF_00191}.
CC   -!- SIMILARITY: Belongs to the IspH family. {ECO:0000255|HAMAP-
CC       Rule:MF_00191}.
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DR   EMBL; FM178379; CAQ78268.1; -; Genomic_DNA.
DR   RefSeq; WP_012549391.1; NC_011312.1.
DR   AlphaFoldDB; B6ENC7; -.
DR   SMR; B6ENC7; -.
DR   STRING; 316275.VSAL_I0583; -.
DR   EnsemblBacteria; CAQ78268; CAQ78268; VSAL_I0583.
DR   KEGG; vsa:VSAL_I0583; -.
DR   eggNOG; COG0761; Bacteria.
DR   HOGENOM; CLU_027486_1_0_6; -.
DR   OMA; HNKYVVD; -.
DR   OrthoDB; 1311145at2; -.
DR   UniPathway; UPA00056; UER00097.
DR   UniPathway; UPA00059; UER00105.
DR   Proteomes; UP000001730; Chromosome 1.
DR   GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0051745; F:4-hydroxy-3-methylbut-2-en-1-yl diphosphate reductase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0050992; P:dimethylallyl diphosphate biosynthetic process; 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:UniProtKB-UniRule.
DR   CDD; cd13944; lytB_ispH; 1.
DR   HAMAP; MF_00191; IspH; 1.
DR   InterPro; IPR003451; LytB/IspH.
DR   PANTHER; PTHR30426; PTHR30426; 1.
DR   Pfam; PF02401; LYTB; 1.
DR   TIGRFAMs; TIGR00216; ispH_lytB; 1.
PE   3: Inferred from homology;
KW   4Fe-4S; Iron; Iron-sulfur; Isoprene biosynthesis; Metal-binding;
KW   Oxidoreductase.
FT   CHAIN           1..314
FT                   /note="4-hydroxy-3-methylbut-2-enyl diphosphate reductase"
FT                   /id="PRO_1000098930"
FT   ACT_SITE        126
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00191"
FT   BINDING         12
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00191"
FT   BINDING         41
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00191"
FT   BINDING         74
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00191"
FT   BINDING         96
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00191"
FT   BINDING         124
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00191"
FT   BINDING         167
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00191"
FT   BINDING         197
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00191"
FT   BINDING         225..227
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00191"
FT   BINDING         269
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00191"
SQ   SEQUENCE   314 AA;  34765 MW;  2626145B45C7CA33 CRC64;
     MKIVLANPRG FCAGVDRAIS IVERALELYK APIYVRHEVV HNRFVVEGLK QRGAIFVEEL
     SEVPDDNIVI FSAHGVSQAV RTEAKERALT VFDATCPLVT KVHMEVARAS KKSIEVVLIG
     HAGHPEVEGT MGQYASEAGG MYLVETPEDV EKLIVQDPNN LHYVSQTTLS VDETADVIDE
     LRRVFPKIQG PRKDDICYAT QNRQDAVRDM AGQVDVMIVV GSKNSSNSNR LRELSEKLGT
     TSYLIDCPEE LKEEWLTNQA KVGVTAGASA PEELVNQIIE QVKVFGGTTV DELKGREENM
     FFEVPKELQI KTVS
 
 
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