Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyGlutaminase/Asparaginase 8033474 3001625 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyGlutaminase/Asparaginase 8033474 3001625 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyGlutaminase/Asparaginase 8033474 3001625 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyGlutaminase/Asparaginase 8033474 3001625 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
APRK04183e3ecaA3 A: a/b three-layered sandwichesX: Glutaminase/Asparaginase C-terminal domain (From Topology)H: Glutaminase/Asparaginase C-terminal domain (From Topology)T: Glutaminase/Asparaginase C-terminal domainF: PRK04183ECOD (1.6)
AAsparaginasee3ecaA2 A: a/b three-layered sandwichesX: Glutaminase/Asparaginase N-terminal domain (From Topology)H: Glutaminase/Asparaginase N-terminal domain (From Topology)T: Glutaminase/Asparaginase N-terminal domainF: AsparaginaseECOD (1.6)
BPRK04183e3ecaB3 A: a/b three-layered sandwichesX: Glutaminase/Asparaginase C-terminal domain (From Topology)H: Glutaminase/Asparaginase C-terminal domain (From Topology)T: Glutaminase/Asparaginase C-terminal domainF: PRK04183ECOD (1.6)
BAsparaginasee3ecaB2 A: a/b three-layered sandwichesX: Glutaminase/Asparaginase N-terminal domain (From Topology)H: Glutaminase/Asparaginase N-terminal domain (From Topology)T: Glutaminase/Asparaginase N-terminal domainF: AsparaginaseECOD (1.6)
CPRK04183e3ecaC3 A: a/b three-layered sandwichesX: Glutaminase/Asparaginase C-terminal domain (From Topology)H: Glutaminase/Asparaginase C-terminal domain (From Topology)T: Glutaminase/Asparaginase C-terminal domainF: PRK04183ECOD (1.6)
CAsparaginasee3ecaC2 A: a/b three-layered sandwichesX: Glutaminase/Asparaginase N-terminal domain (From Topology)H: Glutaminase/Asparaginase N-terminal domain (From Topology)T: Glutaminase/Asparaginase N-terminal domainF: AsparaginaseECOD (1.6)
DPRK04183e3ecaD3 A: a/b three-layered sandwichesX: Glutaminase/Asparaginase C-terminal domain (From Topology)H: Glutaminase/Asparaginase C-terminal domain (From Topology)T: Glutaminase/Asparaginase C-terminal domainF: PRK04183ECOD (1.6)
DAsparaginasee3ecaD2 A: a/b three-layered sandwichesX: Glutaminase/Asparaginase N-terminal domain (From Topology)H: Glutaminase/Asparaginase N-terminal domain (From Topology)T: Glutaminase/Asparaginase N-terminal domainF: AsparaginaseECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B, C, D
PF00710Asparaginase, N-terminal (Asparaginase)Asparaginase, N-terminalThis is the N-terminal domain of this enzyme.Domain
A, B, C, D
PF17763Glutaminase/Asparaginase C-terminal domain (Asparaginase_C)Glutaminase/Asparaginase C-terminal domainThis domain is found at the C-terminus of asparaginase enzymes.Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B, C, D
L-asparaginase 2

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

ChainsEnzyme NameDescriptionCatalytic Residues
A, C
asparaginase  M-CSA #455

Asparaginase (EC 3.5.1.1) and glutaminaase (EC 3.5.1.38) remove amino groups from asparagine and glutamine respectively leaving aspartate and glutamate. This entry covers both enzymes, though is derived from asparaginase. Enzymes from both EC families have some activity in the other. Two forms exist in E.coli, type I is cytoplasmic, type II is periplasmic. The type II form has a higher affinity for the substrate and its production is induced under anaerobic conditions when amino acids are the primary carbon source. Type II L-asparaginase is the most studied, because it is an important anti-cancer drug due to its ability to lower the levels of asparagine available to cancerous cells lacking in asparaginase synthase.

Defined by 6 residues: THR:A-12TYR:A-25THR:A-89ASP:A-90LYS:A-162GLU:C-283
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