B1X9H5 (PYRC_ECODH) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Dihydroorotase
Short name=DHOase
EC=3.5.2.3

Gene names

Name:	pyrC
Ordered Locus Names:	ECDH10B_1133

Organism

Escherichia coli (strain K12 / DH10B) [Complete proteome] [HAMAP]

Taxonomic identifier

316385 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Escherichia

Protein attributes

Sequence length	348 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Catalytic activity	(S)-dihydroorotate + H2O = N-carbamoyl-L-aspartate. HAMAP MF_00219
Cofactor	Binds 2 zinc ions per subunit By similarity. HAMAP MF_00219
Pathway	Pyrimidine metabolism; UMP biosynthesis via de novo pathway; (S)-dihydroorotate from bicarbonate: step 3/3. HAMAP MF_00219
Subunit structure	Homodimer By similarity. HAMAP MF_00219
Sequence similarities	Belongs to the DHOase family. Type 1 subfamily.

Ontologies

Keywords
Biological process	Pyrimidine biosynthesis
Ligand	Metal-binding Zinc
Molecular function	Hydrolase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	pyrimidine base biosynthetic process Inferred from electronic annotation. Source: InterPro pyrimidine nucleotide biosynthetic process Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	dihydroorotase 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 – 348	348	Dihydroorotase HAMAP MF_00219		PRO_1000100042
Sites
	Metal binding	17	1	Zinc 1 By similarity
	Metal binding	19	1	Zinc 1 By similarity
	Metal binding	103	1	Zinc 1; via carbamate group By similarity
	Metal binding	103	1	Zinc 2; via carbamate group By similarity
	Metal binding	140	1	Zinc 2 By similarity
	Metal binding	178	1	Zinc 2 By similarity
	Metal binding	251	1	Zinc 1 By similarity
Amino acid modifications
	Modified residue	103	1	N6-carboxylysine By similarity

Sequences

	Sequence		Length	Mass (Da)
	B1X9H5 [UniParc]. Last modified May 20, 2008. Version 1. Checksum: 179B35324204A111	FASTA	348	38,827
	10 20 30 40 50 60 MTAPSQVLKI RRPDDWHLHL RDGDMLKTVV PYTSEIYGRA IVMPNLAPPV TTVEAAVAYR 70 80 90 100 110 120 QRILDAVPAG HDFTPLMTCY LTDSLDPNEL ERGFNEGVFT AAKLYPANAT TNSSHGVTSI 130 140 150 160 170 180 DAIMPVLERM EKIGMPLLVH GEVTHADIDI FDREARFIES VMEPLRQRLT ALKVVFEHIT 190 200 210 220 230 240 TKDAADYVRD GNERLAATIT PQHLMFNRNH MLVGGVRPHL YCLPILKRNI HQQALRELVA 250 260 270 280 290 300 SGFNRVFLGT DSAPHARHRK ESSCGCAGCF NAPTALGSYA TVFEEMNALQ HFEAFCSVNG 310 320 330 340 PQFYGLPVND TFIELVREEQ QVAESIALTD DTLVPFLAGE TVRWSVKQ

References

[1]

"The complete genome sequence of Escherichia coli DH10B: insights into the biology of a laboratory workhorse." Durfee T., Nelson R., Baldwin S., Plunkett G. III, Burland V., Mau B., Petrosino J.F., Qin X., Muzny D.M., Ayele M., Gibbs R.A., Csorgo B., Posfai G., Weinstock G.M., Blattner F.R. J. Bacteriol. 190:2597-2606(2008) [PubMed: 18245285] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: K12 / DH10B.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000948 Genomic DNA. Translation: ACB02255.1.
RefSeq	YP_001730033.1. NC_010473.1.
3D structure databases
ProteinModelPortal	B1X9H5.
SMR	B1X9H5. Positions 4-347.
ModBase	Search...
Protein-protein interaction databases
STRING	B1X9H5.
Protein family/group databases
MEROPS	M38.A02.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	EBESCT00000012279; EBESCP00000011807; EBESCG00000011341.
GeneID	6059070.
GenomeReviews	Gene locus ECDH10B_1133 in contig CP000948_GR.
KEGG	ecd:ECDH10B_1133.
PATRIC	18462116. VBIEscCol59506_1157.
Organism-specific databases
CMR	Search...
Phylogenomic databases
GeneTree	EBGT00050000011208.
HOGENOM	HBG628648.
OMA	CLPVAKR.
ProtClustDB	PRK05451.
Enzyme and pathway databases
BioCyc	ECOL316385:ECDH10B_1133-MONOMER.
Family and domain databases
HAMAP	MF_00219. PyrC_type1. [Tree]
InterPro	IPR006680. Amidohydro_1. IPR004721. DHOdimr. IPR002195. Dihydroorotase_CS. [Graphical view]
KO	K01465.
Pfam	PF01979. Amidohydro_1. 1 hit. [Graphical view]
PIRSF	PIRSF001237. DHOdimr. 1 hit.
TIGRFAMs	TIGR00856. PyrC_dimer. 1 hit.
PROSITE	PS00482. DIHYDROOROTASE_1. 1 hit. PS00483. DIHYDROOROTASE_2. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

PYRC_ECODH

Accession

Primary (citable) accession number: B1X9H5

Entry history

Integrated into UniProtKB/Swiss-Prot:	March 24, 2009
Last sequence update:	May 20, 2008
Last modified:	January 25, 2012
This is version 29 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program