ISPG_FUSNN
ID ISPG_FUSNN Reviewed; 354 AA.
AC Q8RG40;
DT 02-AUG-2002, integrated into UniProtKB/Swiss-Prot.
DT 01-JUN-2002, sequence version 1.
DT 03-AUG-2022, entry version 117.
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}; OrderedLocusNames=FN0478;
OS Fusobacterium nucleatum subsp. nucleatum (strain ATCC 25586 / DSM 15643 /
OS BCRC 10681 / CIP 101130 / JCM 8532 / KCTC 2640 / LMG 13131 / VPI 4355).
OC Bacteria; Fusobacteria; Fusobacteriales; Fusobacteriaceae; Fusobacterium.
OX NCBI_TaxID=190304;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 25586 / DSM 15643 / BCRC 10681 / CIP 101130 / JCM 8532 / KCTC
RC 2640 / LMG 13131 / VPI 4355;
RX PubMed=11889109; DOI=10.1128/jb.184.7.2005-2018.2002;
RA Kapatral V., Anderson I., Ivanova N., Reznik G., Los T., Lykidis A.,
RA Bhattacharyya A., Bartman A., Gardner W., Grechkin G., Zhu L., Vasieva O.,
RA Chu L., Kogan Y., Chaga O., Goltsman E., Bernal A., Larsen N., D'Souza M.,
RA Walunas T., Pusch G., Haselkorn R., Fonstein M., Kyrpides N.C.,
RA Overbeek R.;
RT "Genome sequence and analysis of the oral bacterium Fusobacterium nucleatum
RT strain ATCC 25586.";
RL J. Bacteriol. 184:2005-2018(2002).
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; AE009951; AAL94674.1; -; Genomic_DNA.
DR RefSeq; NP_603375.1; NC_003454.1.
DR AlphaFoldDB; Q8RG40; -.
DR SMR; Q8RG40; -.
DR STRING; 190304.FN0478; -.
DR DNASU; 992576; -.
DR EnsemblBacteria; AAL94674; AAL94674; FN0478.
DR KEGG; fnu:FN0478; -.
DR PATRIC; fig|190304.8.peg.1048; -.
DR eggNOG; COG0821; Bacteria.
DR HOGENOM; CLU_042258_0_0_0; -.
DR InParanoid; Q8RG40; -.
DR OMA; PTCGRTQ; -.
DR BioCyc; FNUC190304:G1FZS-1071-MON; -.
DR UniPathway; UPA00056; UER00096.
DR Proteomes; UP000002521; 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; IBA:GO_Central.
DR GO; GO:0005506; F:iron ion binding; IEA:InterPro.
DR GO; GO:0019288; P:isopentenyl diphosphate biosynthetic process, methylerythritol 4-phosphate pathway; IBA:GO_Central.
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; 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; SSF51717; SSF51717; 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; Reference proteome.
FT CHAIN 1..354
FT /note="4-hydroxy-3-methylbut-2-en-1-yl diphosphate synthase
FT (flavodoxin)"
FT /id="PRO_0000190579"
FT BINDING 263
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00159"
FT BINDING 266
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00159"
FT BINDING 298
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"
SQ SEQUENCE 354 AA; 38859 MW; CDD2231420B312E3 CRC64;
MERNTRVVKV ANLKIGGNNP IIIQSMTNTN SADVEATVKQ INNLEKVGCQ LVRMTINNIK
AAEAIKEIKK KVSLPLVADI HFDYRLALLA IKNGIDKLRI NPGNIGSDEN VKKVVEAAKE
KNIPIRIGVN SGSIEKEILE KYGKPCVDAL VESAMYHIRL LEKFDFFDII VSLKSSNVKM
MVEAYRKISS LVDYPLHLGV TEAGTKFQGT VKSAIGIGAL LVDGIGDTLR VSLTENPVEE
IKVAKEILKV LDLSDEGVEI ISCPTCGRTE IDLIGLAKQV EEEFRTKKNK FKIAVMGCVV
NGPGEAREAD YGIAAGRGIG ILFKKGEIIK KVSESNLLEE LKKMISEDLE NKKD
