Reviewed, UniProtKB/Swiss-Prot Q6HDN0 (ISPH_BACHK)

Names and origin

Protein names

Recommended name:
    4-hydroxy-3-methylbut-2-enyl diphosphate reductase
    EC=1.17.1.2

Gene names

Name:	ispH
Synonyms:	lytB
Ordered Locus Names:	BT9727_4028

Organism

Bacillus thuringiensis subsp. konkukian [Complete proteome] [HAMAP]

Taxonomic identifier

180856 [NCBI]

Taxonomic lineage

Bacteria › Firmicutes › Bacillales › Bacillaceae › Bacillus › Bacillus cereus group

Protein attributes

Sequence length	316 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Converts 1-hydroxy-2-methyl-2-(E)-butenyl 4-diphosphate into isopentenyl diphosphate (IPP) and dimethylallyl diphosphate (DMAPP) By similarity.
Catalytic activity	Isopentenyl diphosphate + NAD(P)+ + H2O = (E)-4-hydroxy-3-methylbut-2-en-1-yl diphosphate + NAD(P)H. HAMAP MF_00191 Dimethylallyl diphosphate + NAD(P)+ + H2O = (E)-4-hydroxy-3-methylbut-2-en-1-yl diphosphate + NAD(P)H. HAMAP MF_00191
Cofactor	Binds 1 3Fe-4S cluster By similarity.
Pathway	Isoprenoid biosynthesis; dimethylallyl diphosphate biosynthesis; dimethylallyl diphosphate from (2E)-4-hydroxy-3-methylbutenyl diphosphate: step 1/1. HAMAP MF_00191 Isoprenoid biosynthesis; isopentenyl diphosphate biosynthesis via DXP pathway; isopentenyl diphosphate from 1-deoxy-D-xylulose 5-phosphate: step 6/6. HAMAP MF_00191
Sequence similarities	Belongs to the ispH family.

Ontologies

Keywords
Biological process	Isoprene biosynthesis
Ligand	3Fe-4S Iron Iron-sulfur Metal-binding NADP
Molecular function	Oxidoreductase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	isopentenyl diphosphate biosynthetic process, mevalonate-independent pathway Inferred from electronic annotation. Source: HAMAP oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW terpenoid biosynthetic process Inferred from electronic annotation. Source: HAMAP
Molecular function	3 iron, 4 sulfur cluster binding Inferred from electronic annotation. Source: UniProtKB-KW 4-hydroxy-3-methylbut-2-en-1-yl diphosphate reductase activity Inferred from electronic annotation. Source: HAMAP iron ion binding Inferred from electronic annotation. Source: UniProtKB-KW
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 316	316	4-hydroxy-3-methylbut-2-enyl diphosphate reductase HAMAP MF_00191		PRO_0000128773

Sequences

	Sequence		Length	Mass (Da)
	Q6HDN0-1 [UniParc]. Last modified July 19, 2004. Version 1. Checksum: 08C141F40FE642DB	FASTA	316	34,967
	10 20 30 40 50 60 MKIVKISPRG YCYGVVDAMV IARNAALDTS LPRPIYILGM IVHNKHVTDA FEEDGIITLD 70 80 90 100 110 120 GPSRLDILDK IDSGTVIFTA HGVSPEVKQR AKEKGLTTID ATCPDVTKTH DLIEAKKAEG 130 140 150 160 170 180 YHVIYIGKKN HPEPEGAVGI APDIVHLIER ADDLKTLEIP TDKILVTNQT TMSQWDVQHL 190 200 210 220 230 240 MEDIQKKFPT AEFHKEICLA TQVRQEAVAK QADVADLTIV VGDPKSNNSN RLAQVSQEIA 250 260 270 280 290 300 GTKAYRVADV SEIKLEWLQG VENVAVTAGA STPTPITKEV IAFLEQYDPM NPATWERVRK 310 VPLQKILPRV KVKKEQ

References

[1]

"Pathogenomic sequence analysis of Bacillus cereus and Bacillus thuringiensis isolates closely related to Bacillus anthracis." Han C.S., Xie G., Challacombe J.F., Altherr M.R., Bhotika S.S., Bruce D., Campbell C.S., Campbell M.L., Chen J., Chertkov O., Cleland C., Dimitrijevic M., Doggett N.A., Fawcett J.J., Glavina T., Goodwin L.A., Hill K.K., Hitchcock P. , Jackson P.J., Keim P., Kewalramani A.R., Longmire J., Lucas S., Malfatti S., McMurry K., Meincke L.J., Misra M., Moseman B.L., Mundt M., Munk A.C., Okinaka R.T., Parson-Quintana B., Reilly L.P., Richardson P., Robinson D.L., Rubin E., Saunders E., Tapia R., Tesmer J.G., Thayer N., Thompson L.S., Tice H., Ticknor L.O., Wills P.L., Brettin T.S., Gilna P. J. Bacteriol. 188:3382-3390(2006) [PubMed: 16621833] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: 97-27.

Cross-references

Sequence databases
EMBLGenBankDDBJ	AE017355 Genomic DNA. Translation: AAT60803.1.
RefSeq	YP_038346.1.
3D structure databases
ModBase	Search...
Genome annotation databases
GeneID	2856559.
GenomeReviews	Gene locus BT9727_4028 in contig AE017355_GR.
KEGG	btk:BT9727_4028.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	Q6HDN0.
OMA	PVIFSAH.
Enzyme and pathway databases
BioCyc	BTHU281309:BT9727_4028-MON.
Family and domain databases
HAMAP	MF_00191. [Tree]
InterPro	IPR003451. LytB. [Graphical view]
Pfam	PF02401. LYTB. 1 hit. [Graphical view]
TIGRFAMs	TIGR00216. ispH_lytB. 1 hit.
ProtoNet	Search...

Entry information

Entry name

ISPH_BACHK

Accession

Primary (citable) accession number: Q6HDN0

Entry history

Integrated into UniProtKB/Swiss-Prot:	July 19, 2005
Last sequence update:	July 19, 2004
Last modified:	November 3, 2009
This is version 33 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)