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- PDB-6a4s: Crystal structure of peptidase E with ordered active site loop fr... -
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Open data
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Basic information
Entry | Database: PDB / ID: 6a4s | ||||||
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Title | Crystal structure of peptidase E with ordered active site loop from Salmonella enterica | ||||||
![]() | Peptidase E![]() | ||||||
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Function / homology | ![]() ![]() ![]() ![]() ![]() Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Yadav, P. / Chandravanshi, K. / Goyal, V.D. / Singh, R. / Kumar, A. / Gokhale, S.M. / Makde, R.D. | ||||||
![]() | ![]() Title: Structure of Asp-bound peptidase E from Salmonella enterica: Active site at dimer interface illuminates Asp recognition. Authors: Yadav, P. / Goyal, V.D. / Gaur, N.K. / Kumar, A. / Gokhale, S.M. / Makde, R.D. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 198.5 KB | Display | ![]() |
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PDB format | ![]() | 156.4 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 6a4rC ![]() 1fy2S S: Starting model for refinement C: citing same article ( |
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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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Components
#1: Protein | ![]() Mass: 28596.221 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() Strain: LT2 / SGSC1412 / ATCC 700720 / Gene: pepE, STM4190 / Production host: ![]() ![]() ![]() ![]() #2: Water | ChemComp-HOH / | ![]() |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.17 Å3/Da / Density % sol: 43.19 % |
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Crystal grow![]() | Temperature: 294 K / Method: microbatch / pH: 6.5 Details: 0.1 M Bis-tris pH6.5, 0.2 M Sodium Chloride, 25 % PEG 3350 PH range: 5-6.5 |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MAR scanner 345 mm plate / Detector: IMAGE PLATE / Date: Jun 6, 2018 / Details: mirrors |
Radiation | Monochromator: Si111 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength![]() |
Reflection | Resolution: 1.9→45.77 Å / Num. obs: 38789 / % possible obs: 99.4 % / Redundancy: 3.2 % / Biso Wilson estimate: 20.7 Å2 / CC1/2: 0.998 / Rmerge(I) obs: 0.053 / Rpim(I) all: 0.035 / Rrim(I) all: 0.064 / Net I/σ(I): 16.9 |
Reflection shell | Resolution: 1.9→1.94 Å / Redundancy: 3.1 % / Rmerge(I) obs: 0.388 / Mean I/σ(I) obs: 3.2 / Num. unique obs: 2495 / CC1/2: 0.886 / Rpim(I) all: 0.254 / Rrim(I) all: 0.465 / % possible all: 99.3 |
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Processing
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Refinement | Method to determine structure![]() ![]() Starting model: 1FY2 Resolution: 1.9→41.461 Å / SU ML: 0.17 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 21.26
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 23 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.9→41.461 Å
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Refine LS restraints |
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LS refinement shell |
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Refinement TLS params. | Method: refined / Origin x: -12.3172 Å / Origin y: -0.4181 Å / Origin z: -21.272 Å
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Refinement TLS group | Selection details: all |