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- PDB-1pgj: X-RAY STRUCTURE OF 6-PHOSPHOGLUCONATE DEHYDROGENASE FROM THE PROT... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1pgj | ||||||
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Title | X-RAY STRUCTURE OF 6-PHOSPHOGLUCONATE DEHYDROGENASE FROM THE PROTOZOAN PARASITE T. BRUCEI | ||||||
![]() | 6-PHOSPHOGLUCONATE DEHYDROGENASE | ||||||
![]() | OXIDOREDUCTASE / CHOH(D)-NADP+(B) | ||||||
Function / homology | ![]() D-gluconate metabolic process / phosphogluconate dehydrogenase (NADP+-dependent, decarboxylating) / phosphogluconate dehydrogenase (decarboxylating) activity / glycosome / pentose-phosphate shunt / ciliary plasm / NADP binding / cytoplasm Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Dohnalek, J. / Phillips, C. / Gover, S. / Barrett, M.P. / Adams, M.J. | ||||||
![]() | ![]() Title: A 2.8 A resolution structure of 6-phosphogluconate dehydrogenase from the protozoan parasite Trypanosoma brucei: comparison with the sheep enzyme accounts for differences in activity with ...Title: A 2.8 A resolution structure of 6-phosphogluconate dehydrogenase from the protozoan parasite Trypanosoma brucei: comparison with the sheep enzyme accounts for differences in activity with coenzyme and substrate analogues. Authors: Phillips, C. / Dohnalek, J. / Gover, S. / Barrett, M.P. / Adams, M.J. #1: ![]() Title: Overexpression in Escherichia Coli and Purification of the 6-Phosphogluconate Dehydrogenase of Trypanosoma Brucei Authors: Barrett, M.P. / Phillips, C. / Adams, M.J. / Le Page, R.W. #2: ![]() Title: Crystallographic Study of Coenzyme, Coenzyme Analogue and Substrate Binding in 6-Phosphogluconate Dehydrogenase: Implications for Nadp Specificity and the Enzyme Mechanism Authors: Adams, M.J. / Ellis, G.H. / Gover, S. / Naylor, C.E. / Phillips, C. #3: ![]() Title: Erratum. Crystallographic Study of Coenzyme, Coenzyme Analogue and Substrate Binding in 6-Phosphogluconate Dehydrogenase: Implications for Nadp Specificity and the Enzyme Mechanism Authors: Adams, M.J. / Ellis, G.H. / Gover, S. / Naylor, C.E. / Phillips, C. #4: ![]() Title: Preliminary Crystallographic Study of 6-Phosphogluconate Dehydrogenase from Trypanosoma Brucei Authors: Phillips, C. / Barrett, M.P. / Gover, S. / Le Page, R.W. / Adams, M.J. | ||||||
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 190.4 KB | Display | ![]() |
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PDB format | ![]() | 154.5 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 437.9 KB | Display | ![]() |
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Full document | ![]() | 458.5 KB | Display | |
Data in XML | ![]() | 36.9 KB | Display | |
Data in CIF | ![]() | 50.9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 2pgdS S: Starting model for refinement |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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1 |
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Unit cell |
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Components on special symmetry positions |
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Noncrystallographic symmetry (NCS) | NCS oper: (Code: given Matrix: (0.48179, -0.85365, -0.19789), Vector: |
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Components
#1: Protein | Mass: 52091.539 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() References: UniProt: P31072, phosphogluconate dehydrogenase (NADP+-dependent, decarboxylating) #2: Chemical | ChemComp-SO4 / #3: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.96 Å3/Da / Density % sol: 58.5 % Description: DATA COLLECTED BY OSCILLATION METHOD IN STEPS OF 1 DEGREE IN PHI. R SYM GIVEN IS FOR I > 4 SIG(I). |
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Crystal grow | Method: vapor diffusion, hanging drop / pH: 7 Details: CRYSTALLISED FROM HANGING DROP WHICH ALSO CONTAINED 50MM POTASSIUM PHOSPHATE, 5MM DTT AND 30% SATURATED AMMONIUM SULPHATE, PH 7.0. THE WELL SOLUTION WAS 45% SATURATED AMMONIUM SULPHATE., ...Details: CRYSTALLISED FROM HANGING DROP WHICH ALSO CONTAINED 50MM POTASSIUM PHOSPHATE, 5MM DTT AND 30% SATURATED AMMONIUM SULPHATE, PH 7.0. THE WELL SOLUTION WAS 45% SATURATED AMMONIUM SULPHATE., vapor diffusion - hanging drop |
Crystal grow | *PLUS Details: Barrett, M.P., (1994) Protein Expr. Purif., 5, 44. |
-Data collection
Diffraction | Mean temperature: 293 K |
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Diffraction source | Source: ![]() |
Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Nov 1, 1992 / Details: COLLIMATOR, DUAL SLITS |
Radiation | Monochromator: GRAPHITE(002) / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 2.8→20 Å / Num. obs: 29373 / % possible obs: 95.9 % / Redundancy: 7.2 % / Rsym value: 0.099 / Net I/σ(I): 17.9 |
Reflection | *PLUS Observed criterion σ(I): 4 / Num. measured all: 212041 / Rmerge(I) obs: 0.099 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: SHEEP DIMER - SEE PDB ENTRY 2PGD Resolution: 2.82→19.76 Å / Data cutoff low absF: 0 Isotropic thermal model: TARGET SIGMA FOR 1-2 B FA PAIRS (BOND), 1-3 PAIRS (ANGLE) Cross valid method: SEE JRNL REFERENCE / σ(F): 0 Details: FOR DETAILS OF RESTRAINED RESIDUES AND PARAMETERS USED IN BULK SOLVENT MODELLING, SEE JRNL REFERENCE. COORDINATES GIVEN ARE THOSE AFTER A FINAL NON-PARTITIONED (I.E., ALL DATA) REFINEMENT ...Details: FOR DETAILS OF RESTRAINED RESIDUES AND PARAMETERS USED IN BULK SOLVENT MODELLING, SEE JRNL REFERENCE. COORDINATES GIVEN ARE THOSE AFTER A FINAL NON-PARTITIONED (I.E., ALL DATA) REFINEMENT CYCLE, FOR WHICH R = 0.188 AND BIN R = 0.267.
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Displacement parameters | Biso mean: 26.5 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine analyze | Luzzati coordinate error obs: 0.3 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.82→19.76 Å
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Refine LS restraints |
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Refine LS restraints NCS | NCS model details: RESTRAINTS / Rms dev Biso : 2.14 Å2 / Rms dev position: 0.1 Å / Weight Biso : 2 / Weight position: 80 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
LS refinement shell | Resolution: 2.82→2.93 Å / Total num. of bins used: 8
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Xplor file |
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