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- PDB-6xj5: Carboxypeptidase G2 modified with a versatile bioconjugate for me... -
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Open data
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Basic information
Entry | Database: PDB / ID: 6xj5 | ||||||
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Title | Carboxypeptidase G2 modified with a versatile bioconjugate for metalloprotein design | ||||||
![]() | (Carboxypeptidase G2) x 2 | ||||||
![]() | HYDROLASE / metalloprotein design / bivalent metal ion co-ordination / bis-imidazoles / bioconjugation | ||||||
Function / homology | ![]() glutamate carboxypeptidase / carboxypeptidase activity / metallopeptidase activity / proteolysis / metal ion binding Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Yachnin, B.J. / Hansen, W.A. / Khare, S.D. | ||||||
Funding support | ![]()
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![]() | ![]() Title: A Bis(imidazole)-based cysteine labeling tool for metalloprotein assembly. Authors: Ahmad, R. / Tyryshkin, A.M. / Xie, L. / Hansen, W.A. / Yachnin, B.J. / Emge, T.J. / Mashrai, A. / Khare, S.D. / Knapp, S. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 570.1 KB | Display | ![]() |
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PDB format | ![]() | 440 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 542.6 KB | Display | ![]() |
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Full document | ![]() | 598.7 KB | Display | |
Data in XML | ![]() | 107.8 KB | Display | |
Data in CIF | ![]() | 143.6 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1cg2S 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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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS ensembles :
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Components
#1: Protein | Mass: 44006.871 Da / Num. of mol.: 4 / Mutation: S203C Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Strain: RS-16 / Gene: cpg2 / Variant: S203C / Plasmid: pSpeedET / Production host: ![]() ![]() #2: Protein | Mass: 44195.102 Da / Num. of mol.: 4 / Mutation: S203C Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Strain: RS-16 / Gene: cpg2 / Variant: S203C / Plasmid: pSpeedET / Production host: ![]() ![]() #3: Chemical | ChemComp-ZN / #4: Chemical | #5: Water | ChemComp-HOH / | Has ligand of interest | Y | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.4 Å3/Da / Density % sol: 48.67 % |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, hanging drop / pH: 7.5 Details: Reservoir consisted of 750 uL of 0.2 M Tris pH 7.5, 10% PEG 3350, and 5% glycerol. 2 uL of reservoir solution was mixed with 2 uL of protein solution, consisting of 4.7 mg/mL CPG2 in 50 mM ...Details: Reservoir consisted of 750 uL of 0.2 M Tris pH 7.5, 10% PEG 3350, and 5% glycerol. 2 uL of reservoir solution was mixed with 2 uL of protein solution, consisting of 4.7 mg/mL CPG2 in 50 mM Tris 100 mM NaCl pH 7.4 supplemented with 0.1 M ZnSO4 |
-Data collection
Diffraction | Mean temperature: 93 K / Serial crystal experiment: N |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS PILATUS3 6M / Detector: PIXEL / Date: Jun 30, 2019 / Details: Adjustable focus K-B pair Si plus Pt, Rh coatings |
Radiation | Monochromator: Double crystal cryo-cooled / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.0332 Å / Relative weight: 1 |
Reflection | Resolution: 3.11→41.5 Å / Num. obs: 59536 / % possible obs: 99.87 % / Redundancy: 6.6 % / CC1/2: 0.977 / Rmerge(I) obs: 0.389 / Rpim(I) all: 0.164 / Rrim(I) all: 0.423 / Rsym value: 0.389 / Net I/σ(I): 4.3 |
Reflection shell | Resolution: 3.11→3.16 Å / Redundancy: 6.91 % / Rmerge(I) obs: 1.949 / Mean I/σ(I) obs: 1.1 / Num. unique obs: 2967 / CC1/2: 0.358 / Rpim(I) all: 0.793 / Rrim(I) all: 2.106 / Rsym value: 1.949 / % possible all: 99.93 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 1CG2 Resolution: 3.11→41.5 Å / Cor.coef. Fo:Fc: 0.881 / Cor.coef. Fo:Fc free: 0.845 / WRfactor Rfree: 0.305 / WRfactor Rwork: 0.269 / SU B: 36.846 / SU ML: 0.611 / Average fsc free: 0.7976 / Average fsc work: 0.8148 / Cross valid method: THROUGHOUT / ESU R Free: 0.603 Details: Hydrogens have been added in their riding positions
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK BULK SOLVENT | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 62.855 Å2
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Refinement step | Cycle: LAST / Resolution: 3.11→41.5 Å
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Refine LS restraints |
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