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- PDB-6b67: Human PP2Calpha (PPM1A) complexed with cyclic peptide c(MpSIpYVA) -
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Open data
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Basic information
Entry | Database: PDB / ID: 6b67 | ||||||
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Title | Human PP2Calpha (PPM1A) complexed with cyclic peptide c(MpSIpYVA) | ||||||
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![]() | HYDROLASE / Phosphatase | ||||||
Function / homology | ![]() N-terminal protein myristoylation / calmodulin-dependent protein phosphatase activity / peptidyl-threonine dephosphorylation / Energy dependent regulation of mTOR by LKB1-AMPK / R-SMAD binding / negative regulation of non-canonical NF-kappaB signal transduction / negative regulation of BMP signaling pathway / myosin phosphatase activity / protein serine/threonine phosphatase activity / protein-serine/threonine phosphatase ...N-terminal protein myristoylation / calmodulin-dependent protein phosphatase activity / peptidyl-threonine dephosphorylation / Energy dependent regulation of mTOR by LKB1-AMPK / R-SMAD binding / negative regulation of non-canonical NF-kappaB signal transduction / negative regulation of BMP signaling pathway / myosin phosphatase activity / protein serine/threonine phosphatase activity / protein-serine/threonine phosphatase / dephosphorylation / negative regulation of canonical NF-kappaB signal transduction / cellular response to transforming growth factor beta stimulus / protein export from nucleus / protein dephosphorylation / negative regulation of transforming growth factor beta receptor signaling pathway / positive regulation of protein export from nucleus / Downregulation of SMAD2/3:SMAD4 transcriptional activity / positive regulation of canonical Wnt signaling pathway / manganese ion binding / positive regulation of canonical NF-kappaB signal transduction / regulation of cell cycle / positive regulation of DNA-templated transcription / negative regulation of transcription by RNA polymerase II / magnesium ion binding / nucleoplasm / membrane / nucleus / plasma membrane / cytosol Similarity search - Function | ||||||
Biological species | ![]() synthetic construct (others) | ||||||
Method | ![]() ![]() | ||||||
![]() | Dyda, F. / Kosek, D. | ||||||
![]() | ![]() Title: A trapped human PPM1A-phosphopeptide complex reveals structural features critical for regulation of PPM protein phosphatase activity. Authors: Debnath, S. / Kosek, D. / Tagad, H.D. / Durell, S.R. / Appella, D.H. / Acevedo, R. / Grishaev, A. / Dyda, F. / Appella, E. / Mazur, S.J. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 204.6 KB | Display | ![]() |
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PDB format | ![]() | 162.1 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 1a6qS 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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2 | ![]()
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3 | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 32845.914 Da / Num. of mol.: 3 / Mutation: D146E Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() References: UniProt: P35813, protein-serine/threonine phosphatase #2: Protein/peptide | Mass: 1002.981 Da / Num. of mol.: 3 / Source method: obtained synthetically Details: The cyclic peptide is a synthetic construct whose structure is represented in the attached files. We can also provide th is information in other formats, if this is more convenient. A ...Details: The cyclic peptide is a synthetic construct whose structure is represented in the attached files. We can also provide th is information in other formats, if this is more convenient. A general method for preparation of thioether cyclic peptid es is given by Long et al. (2003). The specific cyclic peptide, c(M-pS-I-pY-V-A) was first reported to be a substrate of PPM1A by Yamaguchi et al. 2006. Source: (synth.) synthetic construct (others) #3: Chemical | ChemComp-CA / #4: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.26 Å3/Da / Density % sol: 45.55 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 7.3 Details: Protein conc: 20 mg/ml Protein buffer: 10 mM MES, pH 7.0, 150 mM NaCl, 2 mM TCEP and 2 mM MgCl2 Protein and cyclic peptide was dialyzed against above buffer and mixed at the 1:2 molar ratio ...Details: Protein conc: 20 mg/ml Protein buffer: 10 mM MES, pH 7.0, 150 mM NaCl, 2 mM TCEP and 2 mM MgCl2 Protein and cyclic peptide was dialyzed against above buffer and mixed at the 1:2 molar ratio Precipitant: 0.1M HEPES (pH 7.3), 0.1M calcium acetate and 40% PEG400 |
-Data collection
Diffraction | Mean temperature: 95 K |
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Diffraction source | Source: ![]() |
Detector | Type: RIGAKU SATURN A200 / Detector: CCD / Date: Jul 6, 2016 |
Radiation | Monochromator: Multilayer KB pair / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 2.2→30 Å / Num. obs: 43867 / % possible obs: 95.7 % / Observed criterion σ(I): -3 / Redundancy: 2.87 % / Rsym value: 0.03 / Net I/σ(I): 25.09 |
Reflection shell | Resolution: 2.2→2.26 Å / Mean I/σ(I) obs: 4.63 / Rsym value: 0.093 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 1A6Q Resolution: 2.2→30 Å / Cross valid method: FREE R-VALUE / σ(F): 0 Details: CARTESIAN SIMULATED ANNEALING, RESTRAINED APD REFINEMENT, ENERGY MIMIZATION
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Refinement step | Cycle: LAST / Resolution: 2.2→30 Å
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LS refinement shell | Resolution: 2.2→2.24 Å / Rfactor Rfree: 0.264 / Rfactor Rwork: 0.2177 |