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Open data
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Basic information
Entry | Database: PDB / ID: 1ux2 | ||||||
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Title | X-ray structure of acetylcholine binding protein (AChBP) | ||||||
![]() | ACETYLCHOLINE BINDING PROTEIN | ||||||
![]() | GLYCOPROTEIN / PENTAMER / IGG FOLD / ACETYLCHOLINE / NICOTINE | ||||||
Function / homology | ![]() acetylcholine receptor activity / acetylcholine-gated monoatomic cation-selective channel activity / synaptic cleft / response to nicotine / neuron projection / synapse / membrane Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Celie, P.H.N. / Van Rossum-fikkert, S.E. / Van Dijk, W.J. / Brejc, K. / Smit, A.B. / Sixma, T.K. | ||||||
![]() | ![]() Title: Nicotine and Carbamylcholine Binding to Nicotinic Acetylcholine Receptors as Studied in Achbp Crystal Structures Authors: Celie, P.H.N. / Van Rossum-Fikkert, S.E. / Van Dijk, W.J. / Brejc, K. / Smit, A.B. / Sixma, T.K. #1: ![]() Title: Crystal Structure of an Ach-Binding Protein Reveals the Ligand-Binding Domain of Nicotinic Receptors Authors: Brejc, K. / Van Dijk, W.J. / Klaassen, R. / Schuurmans, M. / Van Der Oost, J. / Smit, A.B. / Sixma, T.K. #2: Journal: Nature / Year: 2001 Title: A Glia-Derived Acetylcholine-Binding Protein that Modulates Synaptic Transmission Authors: Smit, A.B. / Syed, N.I. / Schaap, D. / Van Minnen, J. / Klumperman, J. / Kits, K.S. / Lodder, H. / Van Der Schors, R.C. / Van Elk, R. / Sorgedrager, B. / Brejc, K. / Sixma, T.K. / Geraerts, W.P.M. | ||||||
History |
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Remark 700 | SHEET THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REPRESENT THIS FEATURE IN ... SHEET THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, TWO SHEETS ARE DEFINED. |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 434.3 KB | Display | ![]() |
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PDB format | ![]() | 362.7 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 478.1 KB | Display | ![]() |
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Full document | ![]() | 521.2 KB | Display | |
Data in XML | ![]() | 48 KB | Display | |
Data in CIF | ![]() | 72.7 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1uv6C ![]() 1uw6C ![]() 1i9bS 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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Noncrystallographic symmetry (NCS) | NCS oper:
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Components
-Protein / Sugars , 2 types, 20 molecules ABCDEFGHIJ![](data/chem/img/NAG.gif)
![](data/chem/img/NAG.gif)
#1: Protein | Mass: 24124.783 Da / Num. of mol.: 10 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #3: Sugar | ChemComp-NAG / |
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-Non-polymers , 4 types, 1419 molecules ![](data/chem/img/EPE.gif)
![](data/chem/img/SO4.gif)
![](data/chem/img/NH4.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/SO4.gif)
![](data/chem/img/NH4.gif)
![](data/chem/img/HOH.gif)
#2: Chemical | ChemComp-EPE / #4: Chemical | #5: Chemical | ChemComp-NH4 / #6: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.5 Å3/Da / Density % sol: 50 % | ||||||||||||||||||||||||||||||
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Crystal grow | pH: 8 / Details: TRIS PH 8.0, AMMONIUM SULFATE | ||||||||||||||||||||||||||||||
Crystal grow | *PLUS pH: 8 / Method: vapor diffusion, hanging drop | ||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC CCD / Detector: CCD / Date: Jun 15, 2002 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9393 Å / Relative weight: 1 |
Reflection | Resolution: 2.1→50 Å / Num. obs: 236373 / % possible obs: 99 % / Observed criterion σ(I): 1.3 / Redundancy: 13.4 % / Rmerge(I) obs: 0.111 / Net I/σ(I): 10 |
Reflection shell | Resolution: 2.1→2.18 Å / Redundancy: 4.2 % / Rmerge(I) obs: 0.932 / Mean I/σ(I) obs: 1.3 / % possible all: 99 |
Reflection | *PLUS Highest resolution: 2.1 Å / Lowest resolution: 50 Å / % possible obs: 99 % / Redundancy: 13.4 % / Rmerge(I) obs: 0.111 |
Reflection shell | *PLUS % possible obs: 99 % / Mean I/σ(I) obs: 1.3 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1I9B Resolution: 2.2→12 Å / SU B: 7.866 / SU ML: 0.2 / Cross valid method: THROUGHOUT / ESU R: 0.295 / ESU R Free: 0.232
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Displacement parameters | Biso mean: 23.461 Å2
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Refinement step | Cycle: LAST / Resolution: 2.2→12 Å
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Refinement | *PLUS Highest resolution: 2.1 Å / Lowest resolution: 12 Å / Num. reflection obs: 127031 / Rfactor Rfree: 0.284 / Rfactor Rwork: 0.236 | ||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||
Refine LS restraints | *PLUS
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