Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyUrease, gamma-subunit 8044422 3001945 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyUrease, beta-subunit 8044423 3001949 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyMetallo-dependent hydrolases 8043413 3000428 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyComposite domain of metallo-dependent hydrolases 8043160 3000176 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyComposite domain of metallo-dependent hydrolases 8043160 3000176 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyMetallo-dependent hydrolases 8043413 3000428 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AUrease_gammae1fwjA1 A: a+b two layersX: Urease, gamma-subunit (From Topology)H: Urease, gamma-subunit (From Topology)T: Urease, gamma-subunitF: Urease_gammaECOD (1.6)
BUrease_betae1fwjB1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Urease, beta-subunit (From Topology)T: Urease, beta-subunitF: Urease_betaECOD (1.6)
CUrease_alphae1fwjC1 A: beta sandwichesX: Composite domain of metallo-dependent hydrolases (From Topology)H: Composite domain of metallo-dependent hydrolases (From Topology)T: Composite domain of metallo-dependent hydrolasesF: Urease_alphaECOD (1.6)
CAmidohydro_1_Ne1fwjC2 A: a/b barrelsX: TIM beta/alpha-barrelH: TIM barrels (From Topology)T: TIM barrelsF: Amidohydro_1_NECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.30.280.10 Alpha Beta 2-Layer Sandwich Urease subunit ACATH (4.3.0)
B2.10.150.10 Mainly Beta Ribbon Urease, subunit B Urease, beta subunitCATH (4.3.0)
C2.30.40.10 Mainly Beta Roll Urease, subunit C domain 1CATH (4.3.0)
C3.20.20.140 Alpha Beta Alpha-Beta Barrel TIM Barrel Metal-dependent hydrolasesCATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF00547Urease, gamma subunit (Urease_gamma)Urease, gamma subunitUrease is a nickel-binding enzyme that catalyses the hydrolysis of urea to carbon dioxide and ammonia.Domain
PF00699Urease beta subunit (Urease_beta)Urease beta subunitThis subunit is known as alpha in Heliobacter.Domain
PF00449Urease alpha-subunit, N-terminal domain (Urease_alpha)Urease alpha-subunit, N-terminal domainThe N-terminal domain is a composite domain and plays a major trimer stabilising role by contacting the catalytic domain of the symmetry related alpha-subunit.Domain
PF01979Amidohydrolase family (Amidohydro_1)Amidohydrolase familyThis family of enzymes are a a large metal dependent hydrolase superfamily [1]. The family includes Adenine deaminase EC:3.5.4.2 that hydrolyses adenine to form hypoxanthine and ammonia. Adenine deaminases reaction is important for adenine utilisatio ...This family of enzymes are a a large metal dependent hydrolase superfamily [1]. The family includes Adenine deaminase EC:3.5.4.2 that hydrolyses adenine to form hypoxanthine and ammonia. Adenine deaminases reaction is important for adenine utilisation as a purine and also as a nitrogen source [2]. This family also includes dihydroorotase and N-acetylglucosamine-6-phosphate deacetylases, EC:3.5.1.25 These enzymes catalyse the reaction N-acetyl-D-glucosamine 6-phosphate + H2O <=> D-glucosamine 6-phosphate + acetate. This family includes the catalytic domain of urease alpha subunit [3]. Dihydroorotases (EC:3.5.2.3) are also included [4-5].
Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
UREASE
UREASE
UREASE

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

ChainsEnzyme NameDescriptionCatalytic Residues
urease  M-CSA #87

Ureases hydrolyse urea into ammonia and carbamate. Ureases have been isolated from a wide range of bacteria, fungi and higher plants where it allows the organism to use urea as a nitrogen source. Ureases uses an almost unique bi-nickel catalytic centre which is liganded by a carbamylated lysine.

The mechanism of this enzyme has been subject to debate since the early 1920s and the precise steps in catalysis remain unclear [PMID:20471401].

Defined by 10 residues: HIS:C-134HIS:C-136LYS:C-217HIS:C-219ASP:C-221HIS:C-246HIS:C-272HIS:C-320ARG:C-336ASP:C-360
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