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Open data
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Basic information
Entry | Database: PDB / ID: 1ma3 | ||||||
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Title | Structure of a Sir2 enzyme bound to an acetylated p53 peptide | ||||||
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![]() | PROTEIN BINDING / TRANSCRIPTION / ENZYME-SUBSTRATE COMPLEX | ||||||
Function / homology | ![]() protein-malonyllysine demalonylase activity / protein-succinyllysine desuccinylase activity / protein acetyllysine N-acetyltransferase / histone H3K14 deacetylase activity, NAD-dependent / histone H3K9 deacetylase activity, NAD-dependent / histone H4K16 deacetylase activity, NAD-dependent / histone H3K18 deacetylase activity, NAD-dependent / histone H3K56 deacetylase activity, NAD-dependent / histone H3K4 deacetylase activity, NAD-dependent / Loss of function of TP53 in cancer due to loss of tetramerization ability ...protein-malonyllysine demalonylase activity / protein-succinyllysine desuccinylase activity / protein acetyllysine N-acetyltransferase / histone H3K14 deacetylase activity, NAD-dependent / histone H3K9 deacetylase activity, NAD-dependent / histone H4K16 deacetylase activity, NAD-dependent / histone H3K18 deacetylase activity, NAD-dependent / histone H3K56 deacetylase activity, NAD-dependent / histone H3K4 deacetylase activity, NAD-dependent / Loss of function of TP53 in cancer due to loss of tetramerization ability / Regulation of TP53 Expression / negative regulation of helicase activity / signal transduction by p53 class mediator / negative regulation of G1 to G0 transition / negative regulation of glucose catabolic process to lactate via pyruvate / Transcriptional activation of cell cycle inhibitor p21 / regulation of intrinsic apoptotic signaling pathway by p53 class mediator / negative regulation of pentose-phosphate shunt / ATP-dependent DNA/DNA annealing activity / Activation of NOXA and translocation to mitochondria / regulation of cell cycle G2/M phase transition / regulation of fibroblast apoptotic process / intrinsic apoptotic signaling pathway in response to hypoxia / oligodendrocyte apoptotic process / negative regulation of miRNA processing / positive regulation of thymocyte apoptotic process / oxidative stress-induced premature senescence / regulation of tissue remodeling / glucose catabolic process to lactate via pyruvate / positive regulation of mitochondrial membrane permeability / positive regulation of programmed necrotic cell death / mRNA transcription / bone marrow development / circadian behavior / regulation of mitochondrial membrane permeability involved in apoptotic process / germ cell nucleus / RUNX3 regulates CDKN1A transcription / TP53 regulates transcription of additional cell cycle genes whose exact role in the p53 pathway remain uncertain / TP53 Regulates Transcription of Death Receptors and Ligands / Activation of PUMA and translocation to mitochondria / regulation of DNA damage response, signal transduction by p53 class mediator / histone deacetylase regulator activity / negative regulation of glial cell proliferation / Regulation of TP53 Activity through Association with Co-factors / negative regulation of neuroblast proliferation / T cell lineage commitment / mitochondrial DNA repair / Formation of Senescence-Associated Heterochromatin Foci (SAHF) / ER overload response / B cell lineage commitment / thymocyte apoptotic process / TP53 Regulates Transcription of Caspase Activators and Caspases / negative regulation of mitophagy / cardiac septum morphogenesis / negative regulation of DNA replication / entrainment of circadian clock by photoperiod / PI5P Regulates TP53 Acetylation / negative regulation of telomere maintenance via telomerase / Zygotic genome activation (ZGA) / positive regulation of release of cytochrome c from mitochondria / Association of TriC/CCT with target proteins during biosynthesis / necroptotic process / TP53 Regulates Transcription of Genes Involved in Cytochrome C Release / rRNA transcription / TFIID-class transcription factor complex binding / SUMOylation of transcription factors / TP53 regulates transcription of several additional cell death genes whose specific roles in p53-dependent apoptosis remain uncertain / intrinsic apoptotic signaling pathway by p53 class mediator / T cell proliferation involved in immune response / negative regulation of reactive oxygen species metabolic process / positive regulation of execution phase of apoptosis / Transcriptional Regulation by VENTX / replicative senescence / cellular response to UV-C / general transcription initiation factor binding / NAD+ binding / intrinsic apoptotic signaling pathway in response to endoplasmic reticulum stress / cellular response to actinomycin D / neuroblast proliferation / positive regulation of RNA polymerase II transcription preinitiation complex assembly / intrinsic apoptotic signaling pathway in response to DNA damage by p53 class mediator / response to X-ray / type II interferon-mediated signaling pathway / hematopoietic stem cell differentiation / Pyroptosis / chromosome organization / viral process / embryonic organ development / somitogenesis / TP53 Regulates Transcription of Genes Involved in G1 Cell Cycle Arrest / glial cell proliferation / hematopoietic progenitor cell differentiation / core promoter sequence-specific DNA binding / negative regulation of stem cell proliferation / cellular response to glucose starvation / cis-regulatory region sequence-specific DNA binding / mitophagy / negative regulation of fibroblast proliferation / positive regulation of cardiac muscle cell apoptotic process / positive regulation of intrinsic apoptotic signaling pathway Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Avalos, J.L. / Celic, I. / Muhammad, S. / Cosgrove, M.S. / Boeke, J.D. / Wolberger, C. | ||||||
![]() | ![]() Title: Structure of a Sir2 enzyme bound to an acetylated p53 peptide Authors: Avalos, J.L. / Celic, I. / Muhammad, S. / Cosgrove, M.S. / Boeke, J.D. / Wolberger, C. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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PDBx/mmCIF format | ![]() | 67 KB | Display | ![]() |
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PDB format | ![]() | 47.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
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-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 1iciS S: Starting model for refinement |
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Similar structure data |
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 28537.006 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
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#2: Protein/peptide | Mass: 2139.521 Da / Num. of mol.: 1 / Fragment: Regulatory C-terminal tail (residues 372-389) / Source method: obtained synthetically Details: The sequence of the protein is naturally found in Homo sapiens. The protein is an Fmoc synthesized peptide. References: UniProt: P04637 |
#3: Chemical | ChemComp-ZN / |
#4: Chemical | ChemComp-MES / |
#5: Water | ChemComp-HOH / |
Has protein modification | Y |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 1.98 Å3/Da / Density % sol: 37.79 % | |||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 291 K / Method: vapor diffusion, hanging drop / pH: 5.5 Details: PEG 8000, PEG 1000 and Sodium Chloride, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K | |||||||||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 20 ℃ | |||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 93 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: BRANDEIS - B4 / Detector: CCD / Date: Jul 20, 2001 |
Radiation | Monochromator: Two crystal non-dispersive monochromator / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.1 Å / Relative weight: 1 |
Reflection | Resolution: 2→50 Å / Num. all: 15490 / Num. obs: 15490 / % possible obs: 97.6 % / Observed criterion σ(I): -3 / Redundancy: 5.1 % / Biso Wilson estimate: 17.5 Å2 / Rmerge(I) obs: 0.101 / Rsym value: 0.101 / Net I/σ(I): 11.8 |
Reflection shell | Highest resolution: 2 Å / Redundancy: 3.1 % / Rmerge(I) obs: 0.322 / Mean I/σ(I) obs: 4.2 / Num. unique all: 1414 / Rsym value: 0.323 / % possible all: 92.4 |
Reflection | *PLUS Num. measured all: 79201 / Rmerge(I) obs: 0.113 |
Reflection shell | *PLUS % possible obs: 92.4 % / Num. unique obs: 1414 / Num. measured obs: 4350 / Rmerge(I) obs: 0.342 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB entry 1ICI Resolution: 2→50 Å / Isotropic thermal model: isotropic / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
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Displacement parameters | Biso mean: 21.2 Å2 | |||||||||||||||||||||||||
Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2→50 Å
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Refine LS restraints |
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LS refinement shell | Highest resolution: 2 Å / Rfactor Rfree error: 0.05
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Refinement | *PLUS % reflection Rfree: 5.17 % / Rfactor obs: 0.211 / Rfactor Rfree: 0.254 / Rfactor Rwork: 0.209 | |||||||||||||||||||||||||
Solvent computation | *PLUS | |||||||||||||||||||||||||
Displacement parameters | *PLUS | |||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Rfactor Rfree: 0.254 / Rfactor Rwork: 0.209 |