+Open data
-Basic information
Entry | Database: PDB / ID: 1ux2 | ||||||
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Title | X-ray structure of acetylcholine binding protein (AChBP) | ||||||
Components | ACETYLCHOLINE BINDING PROTEIN | ||||||
Keywords | GLYCOPROTEIN / PENTAMER / IGG FOLD / ACETYLCHOLINE / NICOTINE | ||||||
Function / homology | Function and homology information acetylcholine receptor activity / acetylcholine-gated monoatomic cation-selective channel activity / synaptic cleft / response to nicotine / postsynapse / neuron projection / membrane Similarity search - Function | ||||||
Biological species | LYMNAEA STAGNALIS (great pond snail) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.2 Å | ||||||
Authors | Celie, P.H.N. / Van Rossum-fikkert, S.E. / Van Dijk, W.J. / Brejc, K. / Smit, A.B. / Sixma, T.K. | ||||||
Citation | Journal: Neuron / Year: 2004 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: Journal: Nature / Year: 2001 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. |
-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1ux2.cif.gz | 434.3 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1ux2.ent.gz | 362.7 KB | Display | PDB format |
PDBx/mmJSON format | 1ux2.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ux/1ux2 ftp://data.pdbj.org/pub/pdb/validation_reports/ux/1ux2 | HTTPS FTP |
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-Related structure data
Related structure data | 1uv6C 1uw6C 1i9bS S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data |
-Links
-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
#1: Protein | Mass: 24124.783 Da / Num. of mol.: 10 Source method: isolated from a genetically manipulated source Source: (gene. exp.) LYMNAEA STAGNALIS (great pond snail) / Plasmid: PPIC9 / Production host: KOMAGATAELLA PASTORIS (fungus) / Strain (production host): GS 115 / References: UniProt: P58154 #3: Sugar | ChemComp-NAG / |
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-Non-polymers , 4 types, 1419 molecules
#2: Chemical | ChemComp-EPE / #4: Chemical | #5: Chemical | ChemComp-NH4 / #6: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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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: SYNCHROTRON / Site: ESRF / Beamline: ID14-4 / Wavelength: 0.9393 |
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 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT 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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