+Open data
-Basic information
Entry | Database: PDB / ID: 4pga | ||||||
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Title | GLUTAMINASE-ASPARAGINASE FROM PSEUDOMONAS 7A | ||||||
Components | GLUTAMINASE-ASPARAGINASE | ||||||
Keywords | BACTERIAL AMIDOHYDROLASE | ||||||
Function / homology | Function and homology information glutamin-(asparagin-)ase / glutamin-(asparagin-)ase activity / asparagine metabolic process / asparaginase activity / glutaminase activity / periplasmic space Similarity search - Function | ||||||
Biological species | Pseudomonas sp. 7A (bacteria) | ||||||
Method | X-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.7 Å | ||||||
Authors | Jakob, C.G. / Lewinski, K. / Lacount, M.W. / Roberts, J. / Lebioda, L. | ||||||
Citation | Journal: Biochemistry / Year: 1997 Title: Ion binding induces closed conformation in Pseudomonas 7A glutaminase-asparaginase (PGA): crystal structure of the PGA-SO4(2-)-NH4+ complex at 1.7 A resolution. Authors: Jakob, C.G. / Lewinski, K. / LaCount, M.W. / Roberts, J. / Lebioda, L. #1: Journal: To be Published Title: Refined Crystal Structure of Acinetobacter Glutaminasificans Glutaminase-Asparaginase Authors: Lubkowski, J. / Wlodawer, A. / Housset, D. / Weber, I.T. / Ammon, H.L. / Murphy, K.C. / Swain, A.L. #2: Journal: Proc.Natl.Acad.Sci.USA / Year: 1993 Title: Crystal Structure of Escherichia Coli L-Asparaginase, an Enzyme Used in Cancer Therapy Authors: Swain, A.L. / Jaskolski, M. / Housset, D. / Rao, J.K. / Wlodawer, A. #3: Journal: FEBS Lett. / Year: 1993 Title: A Left-Handed Crossover Involved in Amidohydrolase Catalysis. Crystal Structure of Erwinia Chrysanthemi L-Asparaginase with Bound L-Aspartate Authors: Miller, M. / Rao, J.K. / Wlodawer, A. / Gribskov, M.R. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 4pga.cif.gz | 141.9 KB | Display | PDBx/mmCIF format |
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PDB format | pdb4pga.ent.gz | 112.1 KB | Display | PDB format |
PDBx/mmJSON format | 4pga.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 4pga_validation.pdf.gz | 394.8 KB | Display | wwPDB validaton report |
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Full document | 4pga_full_validation.pdf.gz | 402.5 KB | Display | |
Data in XML | 4pga_validation.xml.gz | 14.4 KB | Display | |
Data in CIF | 4pga_validation.cif.gz | 23.9 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/pg/4pga ftp://data.pdbj.org/pub/pdb/validation_reports/pg/4pga | HTTPS FTP |
-Related structure data
Related structure data | 3ecaS S: Starting model for refinement |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
#1: Protein | Mass: 36252.918 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Details: AMIDOHYDROLASE, ASPARAGINASE / Source: (gene. exp.) Pseudomonas sp. 7A (bacteria) / References: UniProt: P10182, glutamin-(asparagin-)ase #2: Chemical | #3: Chemical | #4: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.6 Å3/Da / Density % sol: 51.52 % |
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Crystal grow | pH: 4.6 / Details: pH 4.6 |
Crystal grow | *PLUS Method: vapor diffusion, hanging drop |
Components of the solutions | *PLUS Conc.: 2.0 M / Common name: ammonium sulfate |
-Data collection
Diffraction | Mean temperature: 293 K |
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Diffraction source | Source: ROTATING ANODE / Type: RIGAKU RUH2R / Wavelength: 1.5418 |
Detector | Type: RIGAKU / Detector: IMAGE PLATE / Date: Nov 1, 1995 / Details: MIRRORS |
Radiation | Monochromator: NI FILTER / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 1.71→39.31 Å / Num. obs: 68971 / % possible obs: 86 % / Observed criterion σ(I): 1 / Redundancy: 2.6 % / Rmerge(I) obs: 0.075 / Rsym value: 0.075 / Net I/σ(I): 19.9 |
Reflection shell | Resolution: 1.71→1.77 Å / Redundancy: 1.6 % / Rmerge(I) obs: 0.261 / Mean I/σ(I) obs: 2 / Rsym value: 0.261 / % possible all: 62 |
Reflection | *PLUS Num. all: 79799 / Num. measured all: 178566 |
Reflection shell | *PLUS % possible obs: 62 % |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRY 3ECA Resolution: 1.7→10 Å / Data cutoff high absF: 10000000 / Data cutoff low absF: 0.001 / Cross valid method: THROUGHOUT / σ(F): 2
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Refinement step | Cycle: LAST / Resolution: 1.7→10 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.71→10 Å / Total num. of bins used: 1
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Xplor file |
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Software | *PLUS Name: X-PLOR / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Rfactor obs: 0.199 |