Reviewed, UniProtKB/Swiss-Prot P57329 (DXR_BUCAI)

Names and origin

Protein names

Recommended name:
    1-deoxy-D-xylulose 5-phosphate reductoisomerase
      Short name=DXP reductoisomerase
    EC=1.1.1.267
Alternative name(s):
    1-deoxyxylulose-5-phosphate reductoisomerase
    2-C-methyl-D-erythritol 4-phosphate synthase

Gene names

Name:	dxr
Ordered Locus Names:	BU235

Organism

Buchnera aphidicola subsp. Acyrthosiphon pisum (Acyrthosiphon pisum symbiotic bacterium) [Complete proteome] [HAMAP]

Taxonomic identifier

118099 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Buchnera

Protein attributes

Sequence length	398 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Catalyzes the NADP-dependent rearrangement and reduction of 1-deoxy-D-xylulose-5-phosphate (DXP) to 2-C-methyl-D-erythritol 4-phosphate (MEP) By similarity.
Catalytic activity	2-C-methyl-D-erythritol 4-phosphate + NADP+ = 1-deoxy-D-xylulose 5-phosphate + NADPH. HAMAP MF_00183
Cofactor	Divalent cation By similarity.
Pathway	Isoprenoid biosynthesis; isopentenyl diphosphate biosynthesis via DXP pathway; isopentenyl diphosphate from 1-deoxy-D-xylulose 5-phosphate: step 1/6. HAMAP MF_00183
Subunit structure	Homodimer By similarity.
Sequence similarities	Belongs to the DXR family.

Ontologies

Keywords
Biological process	Isoprene biosynthesis
Ligand	Metal-binding NADP
Molecular function	Oxidoreductase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW terpenoid biosynthetic process Inferred from electronic annotation. Source: HAMAP
Molecular function	1-deoxy-D-xylulose-5-phosphate reductoisomerase activity Inferred from electronic annotation. Source: HAMAP 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 – 398	398	1-deoxy-D-xylulose 5-phosphate reductoisomerase HAMAP MF_00183		PRO_0000163622
Regions
	Nucleotide binding	7 – 36	30	NADP By similarity
Sites
	Metal binding	150	1	Divalent metal cation By similarity
	Metal binding	152	1	Divalent metal cation By similarity
	Metal binding	231	1	Divalent metal cation By similarity
	Binding site	125	1	Substrate By similarity
	Binding site	152	1	Substrate By similarity
	Binding site	186	1	Substrate By similarity
	Binding site	209	1	Substrate By similarity
	Binding site	231	1	Substrate By similarity

Sequences

	Sequence		Length	Mass (Da)
	P57329-1 [UniParc]. Last modified December 1, 2000. Version 1. Checksum: EBFBBA0D15364976	FASTA	398	44,187
	10 20 30 40 50 60 MKKITILGST GSIGINALSI IQKNPDLFKV IALVANKNFS IMLRQCELFS PDWVAMRDEK 70 80 90 100 110 120 SAHILRKKLK HSKINTQVLT GEKDICALAA LEETDHVISA IVGMAGLLPT LSAIHAGKTI 130 140 150 160 170 180 LLANKESLIT SGYFFMKALS SSGAKIIPID SEHNAIFQVL PLEIQKNLGK TTLEKNSIKH 190 200 210 220 230 240 LVLTGSGGPF YKFSSSDLSN VTPDQACSHP NWLMGKKISV DSATMMNKGL EYAEARWLFN 250 260 270 280 290 300 ALESEIKILI HPESIIHSMV QYYDGSLLAQ LSVPDIRTSI SYAMSWPDRI CTEVDYLNFY 310 320 330 340 350 360 KINNLTFFEP DFTQFPCLKL AIDAFSQGQA SMTVLNAANE IAVSSFLDSK ISFTKIYEIN 370 380 390 MEILMSSCFS EPKCIQDILE IDRKVRILAK NKVSSLIF

References

[1]	"Genome sequence of the endocellular bacterial symbiont of aphids Buchnera sp. APS." Shigenobu S., Watanabe H., Hattori M., Sakaki Y., Ishikawa H. Nature 407:81-86(2000) [PubMed: 10993077] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: Tokyo 1998.

Cross-references

Sequence databases
EMBLGenBankDDBJ	BA000003 Genomic DNA. Translation: BAB12950.1.
RefSeq	NP_240064.1.
3D structure databases
HSSP	HSSP built from PDB template 1K5H based on UniProtKB P45568.
ModBase	Search...
Genome annotation databases
GeneID	1109678.
GenomeReviews	Gene locus BU235 in contig BA000003_GR.
KEGG	buc:BU235.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	P57329.
OMA	IHSMVEY.
Enzyme and pathway databases
BioCyc	BSP107806:BU235-MON.
Family and domain databases
HAMAP	MF_00183. [Tree]
InterPro	IPR003821. DXP_reductoisomerase. IPR013644. DXP_reductoisomerase_C. IPR013512. DXP_reductoisomerase_N. [Graphical view]
Pfam	PF08436. DXP_redisom_C. 1 hit. PF02670. DXP_reductoisom. 1 hit. [Graphical view]
PIRSF	PIRSF006205. Dxp_reductismrs. 1 hit.
TIGRFAMs	TIGR00243. Dxr. 1 hit.
ProtoNet	Search...

Entry information

Entry name

DXR_BUCAI

Accession

Primary (citable) accession number: P57329

Entry history

Integrated into UniProtKB/Swiss-Prot:	December 1, 2000
Last sequence update:	December 1, 2000
Last modified:	November 3, 2009
This is version 48 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)