2ZAL | Hydrolase | date | Oct 07, 2007 |
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title | Crystal Structure Of E. Coli Isoaspartyl Aminopeptidasel-As In Complex With L-Aspartate | ||||||||||||||
authors | K.Michalska, K.Brzezinski, M.Jaskolski | ||||||||||||||
compound | source | ||||||||||||||
Molecule: L-Asparaginase Chain: A, C Fragment: N-Terminal Subunit (Alpha), Unp Residues 2-161 Synonym: L-Asparaginase Subunit Alpha, L-Asparagine Amidohy Ec: 3.4.19.5, 3.5.1.1 Engineered: Yes |
Organism_scientific: Escherichia Coli Organism_taxid: 83333 Strain: K12 Gene: Ybik (Iaaa) Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Plyss Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet11d Other_details: The N-Terminal Methionine Has Been Removed B Intracellular Aminopeptidase (E. Coli). During Expression A Purification, The Protein Undergoes Autoproteolytic Cleavag Alpha And Beta Subunits. The Residues 162-178 Were Not Pres The Crystallized Material Due To Partial, Non-Specific Degr At The C-Terminus. The Number Of Missing Residues Was Deter Mass Spectrometry; | ||||||||||||||
Molecule: L-Asparaginase Chain: B, D Fragment: C-Terminal Subunit (Beta), Unp Residues 179-315 Synonym: L-Asparaginase Subunit Beta, L-Asparagine Amidohyd Ec: 3.4.19.5, 3.5.1.1 Engineered: Yes |
Organism_scientific: Escherichia Coli Organism_taxid: 83333 Strain: K12 Gene: Ybik (Iaaa) Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Plyss Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet11d Other_details: During Expression And Purification, The Prot Undergoes Autoproteolytic Cleavage Into Alpha And Beta Subu Residues 316-321 Were Not Present In The Crystallized Mater To Partial, Non-Specific Degradation At The C-Terminus. The Of Missing Residues Was Determined By Mass Spectrometry | ||||||||||||||
symmetry | Space Group: P 21 21 21 |
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crystal cell |
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method | X-Ray Diffraction | resolution | 1.90 Å | ||||||||||||
ligand | ASP, CA, CL, NA, TRS | enzyme | Hydrolase E.C.3.4.19.5 BRENDA | ||||||||||||
note | 2ZAL supersedes 1SEO | ||||||||||||||
Gene Ontology |
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Primary reference | Crystal structure of isoaspartyl aminopeptidase in complex with L-aspartate., Michalska K, Brzezinski K, Jaskolski M, J Biol Chem. 2005 Aug 5;280(31):28484-91. Epub 2005 Jun 9. PMID:15946951 |
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