ID V6L3V7_9ACTN Unreviewed; 305 AA.
AC V6L3V7;
DT 19-FEB-2014, integrated into UniProtKB/TrEMBL.
DT 19-FEB-2014, sequence version 1.
DT 24-JAN-2024, entry version 43.
DE RecName: Full=4-hydroxy-3-methylbut-2-enyl diphosphate reductase {ECO:0000256|HAMAP-Rule:MF_00191};
DE Short=HMBPP reductase {ECO:0000256|HAMAP-Rule:MF_00191};
DE EC=1.17.7.4 {ECO:0000256|HAMAP-Rule:MF_00191};
GN Name=ispH {ECO:0000256|HAMAP-Rule:MF_00191};
GN ORFNames=N566_04105 {ECO:0000313|EMBL:EST39072.1};
OS Streptomycetaceae bacterium MP113-05.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae.
OX NCBI_TaxID=1380770 {ECO:0000313|EMBL:EST39072.1, ECO:0000313|Proteomes:UP000017915};
RN [1] {ECO:0000313|EMBL:EST39072.1, ECO:0000313|Proteomes:UP000017915}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MP113-05 {ECO:0000313|EMBL:EST39072.1,
RC ECO:0000313|Proteomes:UP000017915};
RA Valde M., Degnes K.F., Sletta H., Ruckert C., Kalinowski J., Zotchev S.B.;
RT "Streptomyces bacterium from a marine sponge: physiological
RT characterization and genome-based analysis of secondary metabolite
RT biosynthesis potential.";
RL Submitted (SEP-2013) to the EMBL/GenBank/DDBJ databases.
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:0000256|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:0000256|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:0000256|HAMAP-Rule:MF_00191};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000256|ARBA:ARBA00001966};
CC -!- PATHWAY: Isoprenoid biosynthesis; dimethylallyl diphosphate
CC biosynthesis; dimethylallyl diphosphate from (2E)-4-hydroxy-3-
CC methylbutenyl diphosphate: step 1/1. {ECO:0000256|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:0000256|HAMAP-Rule:MF_00191}.
CC -!- SIMILARITY: Belongs to the IspH family. {ECO:0000256|HAMAP-
CC Rule:MF_00191}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_00191}.
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:EST39072.1}.
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DR EMBL; AWQV01000139; EST39072.1; -; Genomic_DNA.
DR AlphaFoldDB; V6L3V7; -.
DR STRING; 1380770.N566_04105; -.
DR PATRIC; fig|1380770.3.peg.700; -.
DR HOGENOM; CLU_027486_1_0_11; -.
DR UniPathway; UPA00056; UER00097.
DR UniPathway; UPA00059; UER00105.
DR Proteomes; UP000017915; Unassembled WGS sequence.
DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
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 Gene3D; 3.40.50.11270; -; 1.
DR Gene3D; 3.40.1010.20; 4-hydroxy-3-methylbut-2-enyl diphosphate reductase, catalytic domain; 2.
DR HAMAP; MF_00191; IspH; 1.
DR InterPro; IPR003451; LytB/IspH.
DR NCBIfam; TIGR00216; ispH_lytB; 1.
DR PANTHER; PTHR30426; 4-HYDROXY-3-METHYLBUT-2-ENYL DIPHOSPHATE REDUCTASE; 1.
DR PANTHER; PTHR30426:SF0; 4-HYDROXY-3-METHYLBUT-2-ENYL DIPHOSPHATE REDUCTASE; 1.
DR Pfam; PF02401; LYTB; 1.
PE 3: Inferred from homology;
KW 4Fe-4S {ECO:0000256|ARBA:ARBA00022485};
KW Iron {ECO:0000256|ARBA:ARBA00023004};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014};
KW Isoprene biosynthesis {ECO:0000256|HAMAP-Rule:MF_00191};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW Oxidoreductase {ECO:0000256|HAMAP-Rule:MF_00191};
KW Reference proteome {ECO:0000313|Proteomes:UP000017915}.
FT ACT_SITE 112
FT /note="Proton donor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00191"
FT BINDING 27
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00191"
FT BINDING 60
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00191"
FT BINDING 110
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00191"
FT BINDING 150
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00191"
FT BINDING 208..210
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00191"
FT BINDING 253
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00191"
SQ SEQUENCE 305 AA; 33422 MW; 80D5C3E3F6114A17 CRC64;
MDRAVIAVEK ALEQYGAPVY VRHEIVHNKY VVQTLEKKGA VFVEETEEVP EGEIVIFSAH
GVAPVVHEEA QRGKLATIDA TCPLVTKVHK EAVRYADEDY DILLIGHEGH EEVVGTSGEA
PEHITLVDGP EDVGNVDVRD PDKVVWLSQT TLSVDETMET VDALKGRYPN LLSPPSDDIC
YATQNRQTAI KKVAAEADLV LVVGSKNSSN SVRLVETALA HGAKDGHLVD NAAEIDEAWL
EGVTTVGLSS GASVPDVLVD GVLEWLQERG WEDVELVQPV EEHMQFSLPK ELRRDLRSEA
SEKVR
//
