Reviewed, UniProtKB/Swiss-Prot B3QLE2 (PYRE_CHLP8)

Names and origin

Protein names

Recommended name:
    Orotate phosphoribosyltransferase
      Short name=OPRT
      Short name=OPRTase
    EC=2.4.2.10

Gene names

Name:	pyrE
Ordered Locus Names:	Cpar_1991

Organism

Chlorobaculum parvum (strain NCIB 8327) (Chlorobium vibrioforme subsp. thiosulfatophilum (strain DSM 263 / NCIB 8327)) [Complete proteome] [HAMAP]

Taxonomic identifier

517417 [NCBI]

Taxonomic lineage

Bacteria › Chlorobi › Chlorobia › Chlorobiales › Chlorobiaceae › Chlorobaculum

Protein attributes

Sequence length	193 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Catalyzes the transfer of a ribosyl phosphate group from 5-phosphoribose 1-diphosphate to orotate, leading to the formation of orotidine monophosphate (OMP) By similarity.
Catalytic activity	Orotidine 5'-phosphate + diphosphate = orotate + 5-phospho-alpha-D-ribose 1-diphosphate. HAMAP MF_01208
Cofactor	Magnesium By similarity.
Pathway	Pyrimidine metabolism; UMP biosynthesis via de novo pathway; UMP from orotate: step 1/2. HAMAP MF_01208
Subunit structure	Homodimer By similarity.
Sequence similarities	Belongs to the purine/pyrimidine phosphoribosyltransferase family. PyrE subfamily.

Ontologies

Keywords
Biological process	Pyrimidine biosynthesis
Ligand	Magnesium
Molecular function	Glycosyltransferase Transferase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	nucleoside metabolic process Inferred from electronic annotation. Source: InterPro pyrimidine base biosynthetic process Inferred from electronic annotation. Source: InterPro pyrimidine nucleotide biosynthetic process Inferred from electronic annotation. Source: HAMAP
Molecular function	magnesium ion binding Inferred from electronic annotation. Source: HAMAP orotate phosphoribosyltransferase activity Inferred from electronic annotation. Source: HAMAP
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 193	193	Orotate phosphoribosyltransferase HAMAP MF_01208		PRO_1000138771
Regions
	Region	114 – 122	9	5-phosphoribose 1-diphosphate binding By similarity
Sites
	Binding site	118	1	Orotate By similarity
	Binding site	146	1	Orotate By similarity

Sequences

	Sequence		Length	Mass (Da)
	B3QLE2-1 [UniParc]. Last modified September 2, 2008. Version 1. Checksum: 19D4ED45965835F0	FASTA	193	20,447
	10 20 30 40 50 60 MTNSETLAMF KSSGALLDGH FKLTSGRHSN SYFQCAKVLQ YPEYLSAICG EIAAHFRDSG 70 80 90 100 110 120 ITTVISPAIG GIVVGTEVGR QLGVKTIFAE RKEGTMMIRR GFSIDPSEQV LVVEDVITTG 130 140 150 160 170 180 GSVVEVMEQV KAAGATVAGV ASVVDRSNGK VKLADKQFSL LMMEVVSYAP EECPLCKEGL 190 PIDAPGSRSN AQG

References

[1]

"Complete sequence of Chlorobaculum parvum NCIB 8327." Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H., Bruce D., Goodwin L., Pitluck S., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Zhao F., Li T., Liu Z. , Overmann J., Bryant D.A., Richardson P. Submitted (JUN-2008) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	CP001099 Genomic DNA. Translation: ACF12380.1.
RefSeq	YP_001999580.1.
3D structure databases
ModBase	Search...
Genome annotation databases
GeneID	6420943.
GenomeReviews	Gene locus Cpar_1991 in contig CP001099_GR.
KEGG	cpc:Cpar_1991.
Organism-specific databases
CMR	Search...
Phylogenomic databases
OMA	YLQSAKV.
Family and domain databases
HAMAP	MF_01208. [Tree]
InterPro	IPR006273. Orotate_PRibTrfase_thermus-typ. IPR002375. Pr/py_Pribosyl_transf_CS. IPR000836. PRibTrfase. [Graphical view]
Pfam	PF00156. Pribosyltran. 1 hit. [Graphical view]
TIGRFAMs	TIGR01367. pyrE_Therm. 1 hit.
PROSITE	PS00103. PUR_PYR_PR_TRANSFER. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

PYRE_CHLP8

Accession

Primary (citable) accession number: B3QLE2

Entry history

Integrated into UniProtKB/Swiss-Prot:	April 14, 2009
Last sequence update:	September 2, 2008
Last modified:	November 3, 2009
This is version 11 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)