Reviewed, UniProtKB/Swiss-Prot Q93T81 (URE11_BRUAB)

Names and origin

Protein names

Recommended name:
    Urease subunit alpha 1
    EC=3.5.1.5
Alternative name(s):
    Urea amidohydrolase subunit alpha 1

Gene names

Name:	ureC1
Ordered Locus Names:	BruAb1_0296

Organism

Brucella abortus [Complete proteome] [HAMAP]

Taxonomic identifier

235 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Alphaproteobacteria › Rhizobiales › Brucellaceae › Brucella

Protein attributes

Sequence length	570 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Catalytic activity	Urea + H(2)O = CO(2) + 2 NH(3).
Cofactor	Binds 2 nickel ions per subunit By similarity.
Pathway	Nitrogen metabolism; urea degradation; CO(2) and NH(3) from urea (urease route): step 1/1.
Subunit structure	Heterotrimer of ureA (gamma), ureB (beta) and ureC (alpha) subunits. Three heterotrimers associate to form the active enzyme By similarity.
Subcellular location	CytoplasmBy similarity.
Post-translational modification	Carbamylation allows a single lysine to coordinate two nickel ions By similarity.
Sequence similarities	Belongs to the urease family. Contains 1 urease domain.

Ontologies

Keywords
Cellular component	Cytoplasm
Ligand	Metal-binding Nickel
Molecular function	Hydrolase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	urea metabolic process Inferred from electronic annotation. Source: HAMAP
Cellular component	cytoplasm Inferred from electronic annotation. Source: HAMAP
Molecular function	nickel ion binding Inferred from electronic annotation. Source: InterPro urease 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 – 570	570	Urease subunit alpha 1		PRO_0000234139
Regions
	Domain	131 – 570	440	Urease
Sites
	Active site	322	1	Proton donor By similarity
	Metal binding	136	1	Nickel 2 By similarity
	Metal binding	138	1	Nickel 2 By similarity
	Metal binding	219	1	Nickel 1; via carbamate group By similarity
	Metal binding	219	1	Nickel 2; via carbamate group By similarity
	Metal binding	248	1	Nickel 1 By similarity
	Metal binding	274	1	Nickel 1 By similarity
	Metal binding	362	1	Nickel 2 By similarity
	Binding site	221	1	Substrate By similarity
Amino acid modifications
	Modified residue	219	1	N6-carboxylysine By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q93T81-1 [UniParc]. Last modified December 1, 2001. Version 1. Checksum: 648464AD7EDBB7EC	FASTA	570	61,011
	10 20 30 40 50 60 MPARISRATY AQMFGPTVGD KVRLADTDLI IEVERDLTTY GEEVKFGGGK VIRDGMGQSQ 70 80 90 100 110 120 LSRAEGAMDT VITNALILDH SGIYKADIGL LDGRIALIGK AGNPDTQPGI SIIIGPGTEI 130 140 150 160 170 180 IAGEGKIVTA GGIDTHVHFI SPQQVDEALN AGITCMVGGG TGPAHGTLAT TCTPGPWHIA 190 200 210 220 230 240 RLIQSFDGLP MNIGVFGKGN ASLPGALEEM VRAGACGLKL HEDWGCTPAA IDNCLSVADH 250 260 270 280 290 300 FDVQVAIHTD TLNEGGFVED TLNAFKGRTI HSFHTEGAGG GHAPDIIRVC QYPNVLPAST 310 320 330 340 350 360 NPTRPYTVNT IAEHLDMLMV CHHLSPAIPE DIAFAESRIR KETIAAEDIL HDMGAFSIIS 370 380 390 400 410 420 SDSQAMGRVG EMIIRCWQTA DKMKKQRGSL PDDRPGNDNY RARRYIAKYT INPAIAHGMA 430 440 450 460 470 480 HEIGSVEVGK RADLVLWNPA FFGVKPDMVL LGGWIATAPM GDANGSIPTP QPMHTRPMFG 490 500 510 520 530 540 SFGKALTNTS ITFVSQAAMD EGLREKIGVD KQLVAVVNTR GGIGKHSMIL NNAMPQMEVD 550 560 570 PETYEVRADG ELLTCEPVDV VPMAQRYFLF

References

[1]

"Completion of the genome sequence of Brucella abortus and comparison to the highly similar genomes of Brucella melitensis and Brucella suis." Halling S.M., Peterson-Burch B.D., Bricker B.J., Zuerner R.L., Qing Z., Li L.-L., Kapur V., Alt D.P., Olsen S.C. J. Bacteriol. 187:2715-2726(2005) [PubMed: 15805518] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: 9-941 / Biovar 1.

Cross-references

Sequence databases
EMBLGenBankDDBJ	AE017223 Genomic DNA. Translation: AAX73699.1.
RefSeq	YP_221060.1.
3D structure databases
HSSP	HSSP built from PDB template 1EJX based on UniProtKB P18314.
ModBase	Search...
Protein family/group databases
MEROPS	M38.982.
Genome annotation databases
GeneID	3340771.
GenomeReviews	Gene locus BruAb1_0296 in contig AE017223_GR.
KEGG	bmb:BruAb1_0296.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	Q93T81.
Enzyme and pathway databases
BioCyc	BABO262698:BRUAB1_0296-MON.
Family and domain databases
HAMAP	MF_01953. [Tree]
InterPro	IPR006680. Amidohydro_1. IPR005848. Urease_alpha. IPR011612. Urease_alpha_N. [Graphical view]
Pfam	PF01979. Amidohydro_1. 1 hit. PF00449. Urease_alpha. 1 hit. [Graphical view]
PRINTS	PR01752. UREASE.
TIGRFAMs	TIGR01792. urease_alph. 1 hit.
PROSITE	PS01120. UREASE_1. 1 hit. PS00145. UREASE_2. 1 hit. PS51368. UREASE_3. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

URE11_BRUAB

Accession

Primary (citable) accession number: Q93T81
Secondary accession number(s): Q57F85

Entry history

Integrated into UniProtKB/Swiss-Prot:	May 2, 2006
Last sequence update:	December 1, 2001
Last modified:	November 25, 2008
This is version 51 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)