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Open data
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Basic information
Entry | Database: PDB / ID: 1g31 | |||||||||
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Title | GP31 CO-CHAPERONIN FROM BACTERIOPHAGE T4 | |||||||||
![]() | GP31 | |||||||||
![]() | CHAPERONE / CO-CHAPERONIN / GROES / IN VIVO PROTEIN FOLDING / BACTERIOPHAGE T4 | |||||||||
Function / homology | ![]() | |||||||||
Biological species | ![]() | |||||||||
Method | ![]() ![]() ![]() | |||||||||
![]() | Hunt, J.F. / Van Der Vies, S.M. / Henry, L. / Deisenhofer, J. | |||||||||
![]() | ![]() Title: Structural adaptations in the specialized bacteriophage T4 co-chaperonin Gp31 expand the size of the Anfinsen cage. Authors: Hunt, J.F. / van der Vies, S.M. / Henry, L. / Deisenhofer, J. #1: ![]() Title: Interplay of Structure and Disorder in Cochaperonin Mobile Loops Authors: Landry, S.J. / Taher, A. / Georgopoulos, C. / Van Der Vies, S.M. #2: ![]() Title: Bacteriophage T4 Encodes a Co-Chaperonin that Can Substitute for Escherichia Coli Groes in Protein Folding Authors: Van Der Vies, S.M. / Gatenby, A.A. / Georgopoulos, C. #3: ![]() Title: A Factor Preventing the Major Head Protein of Bacteriophage T4 from Random Aggregation Authors: Laemmli, U.K. / Beguin, F. / Gujer-Kellenberger, G. | |||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 173.6 KB | Display | ![]() |
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PDB format | ![]() | 136.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 452.9 KB | Display | ![]() |
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Full document | ![]() | 470.5 KB | Display | |
Data in XML | ![]() | 17.6 KB | Display | |
Data in CIF | ![]() | 29.8 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components on special symmetry positions |
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS oper:
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Components
#1: Protein | Mass: 12091.999 Da / Num. of mol.: 7 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Chemical | ChemComp-PO4 / #3: Chemical | ChemComp-K / #4: Water | ChemComp-HOH / | Nonpolymer details | THE PHOSPHATE AND POTASSIUM IONS WITH RESIDUE NUMBERS FROM 1151 - 1184 LIE IN 4 CO-PLANAR AND ...THE PHOSPHATE AND POTASSIUM IONS WITH RESIDUE NUMBERS FROM 1151 - 1184 LIE IN 4 CO-PLANAR AND CONCENTRIC | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 3.34 Å3/Da / Density % sol: 65 % Description: THE SEARCH MODEL CONTAINED ONLY 68% OF THE RESIDUES THAT EVENTUALLY APPEARED IN THE STRUCTURE AND THERE IS ONLY 17% SEQUENCE IDENTITY IN THIS REGION. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Details: PROTEIN WAS CRYSTALLIZED AT 17 MG/ML FROM 0.42 M NAH(2)PO(4), 1.70 M K(2)HPO(4), 10 MM BES, 6 MM DTT, 0.035% NAN(3), 29% ETHYLENE GLYCOL. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Crystal | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 21 ℃ / pH: 7 / Method: vapor diffusion, sitting drop | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: PRINCETON 2K / Detector: CCD / Date: Jan 1, 1997 / Details: BENT FOCUSING MIRRORS |
Radiation | Monochromator: SI(111) / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.918 Å / Relative weight: 1 |
Reflection | Resolution: 2.3→20 Å / Num. obs: 42831 / % possible obs: 83.5 % / Observed criterion σ(I): 1 / Redundancy: 5.95 % / Biso Wilson estimate: 25.2 Å2 / Rsym value: 0.108 / Net I/σ(I): 10.6 |
Reflection shell | Resolution: 2.3→2.4 Å / Mean I/σ(I) obs: 1.9 / Rsym value: 0.39 / % possible all: 65 |
Reflection | *PLUS Rmerge(I) obs: 0.108 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: ESCHERICHIA COLI GROES 2.8 ANGSTROM MODEL Resolution: 2.3→20 Å / Rfactor Rfree error: 0.004 / Data cutoff high absF: 1000000 / Data cutoff low absF: 0.01 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 1 Details: THE CONFORMATION OF RESIDUES 25 - 31 IS VERY APPROXIMATELY DEFINED IN ALL 7 CHAINS BECAUSE OF THE DIFFUSE NATURE OF THE ELECTRON DENSITY IN THIS REGION. THE MOLECULAR IDENTITY OF 10.5 OF THE ...Details: THE CONFORMATION OF RESIDUES 25 - 31 IS VERY APPROXIMATELY DEFINED IN ALL 7 CHAINS BECAUSE OF THE DIFFUSE NATURE OF THE ELECTRON DENSITY IN THIS REGION. THE MOLECULAR IDENTITY OF 10.5 OF THE 17.5 PHOSPHATE IONS IN THE ASYMMETRIC UNIT WAS UNAMBIGUOUS BASED ON THEIR ELECTRON DENSITY IN AVERAGED MAPS AS WELL AS STEREOCHEMICAL AND REFINEMENT CRITERIA; THE MOLECULAR IDENTIFICATION OF THE OTHER SOLVENT IONS / MOLECULES REPRESENTS MORE TENTATIVE JUDGEMENTS BASED ON THE SAME CRITERIA.
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Displacement parameters | Biso mean: 61.6 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2.3→20 Å
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Refine LS restraints |
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Refine LS restraints NCS |
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LS refinement shell | Resolution: 2.3→2.4 Å / Rfactor Rfree error: 0.023 / Total num. of bins used: 8
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Xplor file |
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Software | *PLUS Name: ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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