Q1B4H4 (ISPH_MYCSS) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

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

Gene names

Name:	ispH
Ordered Locus Names:	Mmcs_4105

Organism

Mycobacterium sp. (strain MCS) [Complete proteome] [HAMAP]

Taxonomic identifier

164756 [NCBI]

Taxonomic lineage

Bacteria › Actinobacteria › Actinobacteridae › Actinomycetales › Corynebacterineae › Mycobacteriaceae › Mycobacterium

Protein attributes

Sequence length	333 AA.
Sequence status	Complete.
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. HAMAP MF_00191
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. HAMAP MF_00191
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: InterPro
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: EC metal 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 – 333	333	4-hydroxy-3-methylbut-2-enyl diphosphate reductase HAMAP MF_00191		PRO_1000021139

Sequences

	Sequence		Length	Mass (Da)
	Q1B4H4 [UniParc]. Last modified July 11, 2006. Version 1. Checksum: EDC4DD9717352DDF	FASTA	333	35,681
	10 20 30 40 50 60 MPPTINMGIP GASSSVTGGV SGKRVLLAEP RGYCAGVDRA VETVERALEK HGAPVYVRHE 70 80 90 100 110 120 IVHNRYVVDT LAKAGAVFVE QTDEVPEGAI VVFSAHGVAP TVHVEAAARN LKTIDATCPL 130 140 150 160 170 180 VTKVHNEAKR FARDDYDILL VGHEGHEEVV GTAGEAPDHV QVVDNPDAVD KVTVRDPDKV 190 200 210 220 230 240 IWLSQTTLSV DETMETVRRL REKFPTLQDP PSDDICYATQ NRQVAVKAMA PECELVIVVG 250 260 270 280 290 300 SKNSSNSVRL VEVALGAGSD AAHLVDYAED IDPTWLNGVT TVGVTSGASV PEVLVRGVLD 310 320 330 RLAEYGYGTV QPVTTANETL VFALPREIRP ARS

References

[1]

"Complete sequence of chromosome of Mycobacterium sp. MCS." US DOE Joint Genome Institute Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S., Martinez M., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Kim E. , Miller C.D., Hughes J.E., Anderson A.J., Sims R.C., Richardson P. Submitted (JUN-2006) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: MCS.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000384 Genomic DNA. Translation: ABG10210.1.
RefSeq	YP_641266.1. NC_008146.1.
3D structure databases
ModBase	Search...
Protein-protein interaction databases
STRING	Q1B4H4.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	EBMYCT00000061823; EBMYCP00000059990; EBMYCG00000061818.
GeneID	4112935.
GenomeReviews	Gene locus Mmcs_4105 in contig CP000384_GR.
KEGG	mmc:Mmcs_4105.
PATRIC	18118551. VBIMycSp106721_4205.
Organism-specific databases
CMR	Search...
Phylogenomic databases
eggNOG	COG0761.
GeneTree	EBGT00050000016858.
HOGENOM	HBG335228.
OMA	AMAPECD.
ProtClustDB	PRK01045.
Enzyme and pathway databases
BioCyc	MSP164756:MMCS_4105-MONOMER.
Family and domain databases
HAMAP	MF_00191. IspH. [Tree]
InterPro	IPR003451. LytB. [Graphical view]
KO	K03527.
Pfam	PF02401. LYTB. 1 hit. [Graphical view]
TIGRFAMs	TIGR00216. IspH_lytB. 1 hit.
ProtoNet	Search...

Entry information

Entry name

ISPH_MYCSS

Accession

Primary (citable) accession number: Q1B4H4

Entry history

Integrated into UniProtKB/Swiss-Prot:	January 15, 2008
Last sequence update:	July 11, 2006
Last modified:	January 25, 2012
This is version 46 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program