1DJO

Crystal structure of Pseudomonas 7A Glutaminase-asparaginase with the inhibitor donv covalently bound in the active site


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
BSCOP2B SuperfamilyGlutaminase/Asparaginase8033213 3001625 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyGlutaminase/Asparaginase8033213 3001625 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
BPF17763e1djoB3 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: PF17763ECOD (1.6)
BPF00710e1djoB2 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: PF00710ECOD (1.6)
APF17763e1djoA3 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: PF17763ECOD (1.6)
APF00710e1djoA2 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: PF00710ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
B3.40.50.1170 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold L-asparaginase, N-terminal domainCATH (4.3.0)
B3.40.50.40 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold CATH (4.3.0)
A3.40.50.1170 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold L-asparaginase, N-terminal domainCATH (4.3.0)
A3.40.50.40 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

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

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

ChainsEnzyme NameDescriptionCatalytic Residues
A, B
glutamin-(asparagin-)ase  M-CSA #29

Glutaminase-asparaginase catalyses the hydrolysis of D and L isomers of glutamine and asparagine.

Glutaminase-asparaginase belongs to a family of related amidohydrolases, in a less specific class that catalyses the hydrolysis of glutamine to glutamic acid and asparagine to aspartic acid with similar efficiency. They are mechanistically similar to trypsin.

Defined by 6 residues: THR:A-13 [auth A-1020]TYR:A-27 [auth A-1034]THR:A-93 [auth A-1100]ASP:A-94 [auth A-1101]LYS:A-166 [auth A-1173]GLU:B-287 [auth B-3294]
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