ID C1DCX4_LARHH Unreviewed; 311 AA.
AC C1DCX4;
DT 26-MAY-2009, integrated into UniProtKB/TrEMBL.
DT 26-MAY-2009, sequence version 1.
DT 27-MAR-2024, entry version 87.
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 ECO:0000313|EMBL:ACO73609.1};
GN OrderedLocusNames=LHK_00616 {ECO:0000313|EMBL:ACO73609.1};
OS Laribacter hongkongensis (strain HLHK9).
OC Bacteria; Pseudomonadota; Betaproteobacteria; Neisseriales;
OC Aquaspirillaceae; Laribacter.
OX NCBI_TaxID=557598 {ECO:0000313|EMBL:ACO73609.1, ECO:0000313|Proteomes:UP000002010};
RN [1] {ECO:0000313|EMBL:ACO73609.1, ECO:0000313|Proteomes:UP000002010}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HLHK9 {ECO:0000313|EMBL:ACO73609.1,
RC ECO:0000313|Proteomes:UP000002010};
RX PubMed=19283063; DOI=10.1371/journal.pgen.1000416;
RA Woo P.C., Lau S.K., Tse H., Teng J.L., Curreem S.O., Tsang A.K., Fan R.Y.,
RA Wong G.K., Huang Y., Loman N.J., Snyder L.A., Cai J.J., Huang J.D., Mak W.,
RA Pallen M.J., Lok S., Yuen K.Y.;
RT "The complete genome and proteome of Laribacter hongkongensis reveal
RT potential mechanisms for adaptations to different temperatures and
RT habitats.";
RL PLoS Genet. 5:E1000416-E1000416(2009).
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|HAMAP-Rule:MF_00191};
CC Note=Binds 1 [4Fe-4S] cluster per subunit. {ECO:0000256|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: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}.
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DR EMBL; CP001154; ACO73609.1; -; Genomic_DNA.
DR RefSeq; WP_012696101.1; NC_012559.1.
DR AlphaFoldDB; C1DCX4; -.
DR STRING; 557598.LHK_00616; -.
DR KEGG; lhk:LHK_00616; -.
DR eggNOG; COG0761; Bacteria.
DR HOGENOM; CLU_027486_1_0_4; -.
DR UniPathway; UPA00056; UER00097.
DR UniPathway; UPA00059; UER00105.
DR Proteomes; UP000002010; Chromosome.
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 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, ECO:0000256|HAMAP-Rule:MF_00191};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|HAMAP-Rule:MF_00191};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014, ECO:0000256|HAMAP-
KW Rule:MF_00191}; Isoprene biosynthesis {ECO:0000256|HAMAP-Rule:MF_00191};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00191};
KW Oxidoreductase {ECO:0000256|HAMAP-Rule:MF_00191,
KW ECO:0000313|EMBL:ACO73609.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000002010}.
FT ACT_SITE 128
FT /note="Proton donor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00191"
FT BINDING 14
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00191"
FT BINDING 43
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00191"
FT BINDING 76
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00191"
FT BINDING 98
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00191"
FT BINDING 126
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00191"
FT BINDING 166
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00191"
FT BINDING 196
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00191"
FT BINDING 224..226
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00191"
FT BINDING 268
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00191"
SQ SEQUENCE 311 AA; 33411 MW; CCD07211CE29D587 CRC64;
MMRDILLANP RGFCAGVDRA IAIVERALEK FGAPIYVRHE VVHNTFVVEG LKRKGAVFIE
DLAEVPAGST LVYSAHGVPL SVRLEAESRG LTVFDATCPL VTKVHVEVRK MREAGLEIVM
IGHAGHPEVE GTMGQAPDGM YLVETAADVA KLQVRKPEQL AYVSQTTLSV DETRGIIAAL
EARFPAIHGP KKDDICYATQ NRQDAVKQLA GECDIVIVVG SPTSSNSNRL REVALQRGVT
AYMVDNAAEL QPDWFAGKAR VGLTAGASAP EVLVQSVLDT IRSYGLDTVT ELPGVEETIT
FSLPGGLRDP A
//
