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Open data
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Basic information
Entry | Database: PDB / ID: 1chw | ||||||
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Title | CHALCONE SYNTHASE FROM ALFALFA COMPLEXED WITH HEXANOYL-COA | ||||||
![]() | PROTEIN (CHALCONE SYNTHASE) | ||||||
![]() | TRANSFERASE / POLYKETIDE SYNTHASE / CHALCONE BIOSYNTHESIS | ||||||
Function / homology | ![]() chalcone biosynthetic process / chalcone synthase activity / chalcone synthase / naringenin-chalcone synthase activity / flavonoid biosynthetic process / polyketide biosynthetic process Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() | ||||||
![]() | Ferrer, J.-L. / Jez, J. / Bowman, M.E. / Dixon, R. / Noel, J.P. | ||||||
![]() | ![]() Title: Structure of chalcone synthase and the molecular basis of plant polyketide biosynthesis. Authors: Ferrer, J.L. / Jez, J.M. / Bowman, M.E. / Dixon, R.A. / Noel, J.P. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 177.7 KB | Display | ![]() |
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PDB format | ![]() | 139.4 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.3 MB | Display | ![]() |
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Full document | ![]() | 1.3 MB | Display | |
Data in XML | ![]() | 43.6 KB | Display | |
Data in CIF | ![]() | 59.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1bi5SC ![]() 1bq6C ![]() 1cgkC ![]() 1cgzC ![]() 1cmlC 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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1 | ![]()
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS oper: (Code: given Matrix: (-0.51134, 0.85938, -0.00073), Vector: |
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Components
#1: Protein | Mass: 42739.219 Da / Num. of mol.: 2 / Mutation: C164S Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #2: Chemical | #3: Water | ChemComp-HOH / | Nonpolymer details | OTHER CONFORMATI | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.07 Å3/Da / Density % sol: 42 % | ||||||||||||||||||||
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Crystal grow | pH: 6.5 Details: THE CRYSTALS WERE OBTAINED OVERNIGHT AT 4 C HANGING-DROP VAPOR DIFFUSION METHOD. THE DROPLET CONSISTED ON 25 MGR/ML (FINAL CONCENTRATION) PROTEIN MIXED WITH THE RESERVOIR WHICH CONTAINED 2.4 ...Details: THE CRYSTALS WERE OBTAINED OVERNIGHT AT 4 C HANGING-DROP VAPOR DIFFUSION METHOD. THE DROPLET CONSISTED ON 25 MGR/ML (FINAL CONCENTRATION) PROTEIN MIXED WITH THE RESERVOIR WHICH CONTAINED 2.4 M AMMONIUM SULFATE, 100 MM PIPES BUFFER (PH 6.5), IN THE PRESENCE (UP TO 5 MM) OR ABSENCE OF DTT REDUCING AGENT. CRYSTALS WERE STABILIZED IN 40% (V/V) PEG400, 100 MM PIPES AND 20 MM HEXANOYL-COA PRIOR TO FREEZING AT 105 K. | ||||||||||||||||||||
Crystal | *PLUS | ||||||||||||||||||||
Crystal grow | *PLUS Temperature: 4 ℃ / Method: vapor diffusion | ||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 105 K |
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Diffraction source | Source: ![]() |
Detector | Type: MAC Science DIP-2000 / Detector: IMAGE PLATE / Date: Sep 1, 1998 |
Radiation | Monochromator: NI FILTER / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 1.9→70.71 Å / Num. obs: 48429 / % possible obs: 84.62 % / Redundancy: 1.81 % / Rsym value: 0.047 / Net I/σ(I): 7.6 |
Reflection shell | Resolution: 1.9→1.94 Å / Redundancy: 0.284 % / Mean I/σ(I) obs: 0.95 / Rsym value: 0.18 / % possible all: 23.8 |
Reflection | *PLUS Rmerge(I) obs: 0.047 |
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Processing
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Refinement | Method to determine structure: OTHER Starting model: PDB ENTRY 1BI5 Resolution: 1.9→70.71 Å / σ(F): 0
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Refinement step | Cycle: LAST / Resolution: 1.9→70.71 Å
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Refine LS restraints |
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Software | *PLUS Name: REFMAC / Classification: refinement | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Highest resolution: 1.9 Å / % reflection Rfree: 5 % / Rfactor obs: 0.201 / Rfactor Rfree: 0.29 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS |