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- PDB-8p1e: X-ray structure of acetylcholine-binding protein (AChBP) in compl... -

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Basic information

Entry
Database: PDB / ID: 8p1e
TitleX-ray structure of acetylcholine-binding protein (AChBP) in complex with FL001613.
ComponentsAcetylcholine-binding protein
KeywordsCHOLINE-BINDING PROTEIN / Fragment based drug design / Acetylcholine-binding protein / choline-binding proteins
Function / homology
Function and homology information


extracellular ligand-gated monoatomic ion channel activity / synaptic cleft / transmembrane signaling receptor activity / synapse / membrane
Similarity search - Function
Neurotransmitter-gated ion-channel / Neurotransmitter-gated ion-channel ligand-binding domain / Neurotransmitter-gated ion-channel ligand-binding domain superfamily / Neurotransmitter-gated ion-channel ligand binding domain / Ig-like domain profile. / Immunoglobulin-like domain
Similarity search - Domain/homology
: / Acetylcholine-binding protein
Similarity search - Component
Biological speciesLymnaea stagnalis (great pond snail)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.1 Å
AuthorsCederfelt, D. / Boronat, P. / Dobritzsch, D. / Hennig, S. / Fitzgerald, E.A. / de Esch, I.J.P. / Danielson, U.H.
Funding supportEuropean Union, 1items
OrganizationGrant numberCountry
Marie Sklodowska-Curie Actions, FragNET ITN675899European Union
CitationJournal: To Be Published
Title: Elucidating the regulation of ligand gated ion channels via biophysical studies of ligand-induced conformational dynamics of acetylcholine binding proteins
Authors: Fitzgerald, E.A. / Cederfelt, D. / Boronat, P. / Aarmo Lund, B. / de Esch, I.J.P. / Danielson, U.H.
History
DepositionMay 11, 2023Deposition site: PDBE / Processing site: PDBE
Revision 1.0May 8, 2024Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Acetylcholine-binding protein
B: Acetylcholine-binding protein
C: Acetylcholine-binding protein
D: Acetylcholine-binding protein
E: Acetylcholine-binding protein
F: Acetylcholine-binding protein
G: Acetylcholine-binding protein
H: Acetylcholine-binding protein
I: Acetylcholine-binding protein
J: Acetylcholine-binding protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)272,57024
Polymers270,60310
Non-polymers1,96714
Water10,431579
1
A: Acetylcholine-binding protein
B: Acetylcholine-binding protein
C: Acetylcholine-binding protein
D: Acetylcholine-binding protein
E: Acetylcholine-binding protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)136,31513
Polymers135,3025
Non-polymers1,0138
Water905
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area14840 Å2
ΔGint-72 kcal/mol
Surface area42810 Å2
2
F: Acetylcholine-binding protein
G: Acetylcholine-binding protein
H: Acetylcholine-binding protein
I: Acetylcholine-binding protein
J: Acetylcholine-binding protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)136,25511
Polymers135,3025
Non-polymers9546
Water905
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area14280 Å2
ΔGint-55 kcal/mol
Surface area43040 Å2
Unit cell
Length a, b, c (Å)77.100, 121.080, 241.210
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21B
12A
22C
13A
23D
14A
24E
15A
25F
16A
26G
17A
27H
18A
28I
19A
29J
110B
210C
111B
211D
112B
212E
113B
213F
114B
214G
115B
215H
116B
216I
117B
217J
118C
218D
119C
219E
120C
220F
121C
221G
122C
222H
123C
223I
124C
224J
125D
225E
126D
226F
127D
227G
128D
228H
129D
229I
130D
230J
131E
231F
132E
232G
133E
233H
134E
234I
135E
235J
136F
236G
137F
237H
138F
238I
139F
239J
140G
240H
141G
241I
142G
242J
143H
243I
144H
244J
145I
245J

NCS domain segments:

Component-ID: 0 / Beg auth comp-ID: LEU / Beg label comp-ID: LEU / Refine code: 0

Dom-IDEns-IDEnd auth comp-IDEnd label comp-IDAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
11LYSLYSAA20 - 22320 - 223
21LYSLYSBB20 - 22320 - 223
12LYSLYSAA20 - 22320 - 223
22LYSLYSCC20 - 22320 - 223
13LYSLYSAA20 - 22220 - 222
23LYSLYSDD20 - 22220 - 222
14LYSLYSAA20 - 22320 - 223
24LYSLYSEE20 - 22320 - 223
15LYSLYSAA20 - 22320 - 223
25LYSLYSFF20 - 22320 - 223
16LYSLYSAA20 - 22320 - 223
26LYSLYSGG20 - 22320 - 223
17LYSLYSAA20 - 22320 - 223
27LYSLYSHH20 - 22320 - 223
18LYSLYSAA20 - 22320 - 223
28LYSLYSII20 - 22320 - 223
19LYSLYSAA20 - 22320 - 223
29LYSLYSJJ20 - 22320 - 223
110GLYGLYBB20 - 22420 - 224
210GLYGLYCC20 - 22420 - 224
111GLYGLYBB20 - 22420 - 224
211GLYGLYDD20 - 22420 - 224
112LYSLYSBB20 - 22320 - 223
212LYSLYSEE20 - 22320 - 223
113GLYGLYBB20 - 22420 - 224
213GLYGLYFF20 - 22420 - 224
114LYSLYSBB20 - 22320 - 223
214LYSLYSGG20 - 22320 - 223
115GLYGLYBB20 - 22420 - 224
215GLYGLYHH20 - 22420 - 224
116GLYGLYBB20 - 22420 - 224
216GLYGLYII20 - 22420 - 224
117LYSLYSBB20 - 22220 - 222
217LYSLYSJJ20 - 22220 - 222
118GLYGLYCC20 - 22420 - 224
218GLYGLYDD20 - 22420 - 224
119LYSLYSCC20 - 22320 - 223
219LYSLYSEE20 - 22320 - 223
120GLYGLYCC20 - 22420 - 224
220GLYGLYFF20 - 22420 - 224
121LYSLYSCC20 - 22320 - 223
221LYSLYSGG20 - 22320 - 223
122GLYGLYCC20 - 22420 - 224
222GLYGLYHH20 - 22420 - 224
123GLYGLYCC20 - 22420 - 224
223GLYGLYII20 - 22420 - 224
124LYSLYSCC20 - 22220 - 222
224LYSLYSJJ20 - 22220 - 222
125LYSLYSDD20 - 22320 - 223
225LYSLYSEE20 - 22320 - 223
126GLYGLYDD20 - 22420 - 224
226GLYGLYFF20 - 22420 - 224
127LYSLYSDD20 - 22320 - 223
227LYSLYSGG20 - 22320 - 223
128GLYGLYDD20 - 22420 - 224
228GLYGLYHH20 - 22420 - 224
129GLYGLYDD20 - 22420 - 224
229GLYGLYII20 - 22420 - 224
130LYSLYSDD20 - 22320 - 223
230LYSLYSJJ20 - 22320 - 223
131LYSLYSEE20 - 22220 - 222
231LYSLYSFF20 - 22220 - 222
132LYSLYSEE20 - 22320 - 223
232LYSLYSGG20 - 22320 - 223
133LYSLYSEE20 - 22320 - 223
233LYSLYSHH20 - 22320 - 223
134LYSLYSEE20 - 22320 - 223
234LYSLYSII20 - 22320 - 223
135LYSLYSEE20 - 22320 - 223
235LYSLYSJJ20 - 22320 - 223
136LYSLYSFF20 - 22320 - 223
236LYSLYSGG20 - 22320 - 223
137GLYGLYFF20 - 22420 - 224
237GLYGLYHH20 - 22420 - 224
138GLYGLYFF20 - 22420 - 224
238GLYGLYII20 - 22420 - 224
139LYSLYSFF20 - 22320 - 223
239LYSLYSJJ20 - 22320 - 223
140LYSLYSGG20 - 22320 - 223
240LYSLYSHH20 - 22320 - 223
141LYSLYSGG20 - 22220 - 222
241LYSLYSII20 - 22220 - 222
142LYSLYSGG20 - 22320 - 223
242LYSLYSJJ20 - 22320 - 223
143GLYGLYHH20 - 22420 - 224
243GLYGLYII20 - 22420 - 224
144LYSLYSHH20 - 22320 - 223
244LYSLYSJJ20 - 22320 - 223
145LYSLYSII20 - 22320 - 223
245LYSLYSJJ20 - 22320 - 223

NCS ensembles :
ID
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45

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Components

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Protein / Sugars , 2 types, 13 molecules ABCDEFGHIJ

#1: Protein
Acetylcholine-binding protein / ACh-binding protein / AchBP


Mass: 27060.320 Da / Num. of mol.: 10
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Lymnaea stagnalis (great pond snail) / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P58154
#2: Sugar ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE / N-Acetylglucosamine


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Non-polymers , 4 types, 590 molecules

#3: Chemical
ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL / Glycerol


Mass: 92.094 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: C3H8O3
#4: Chemical ChemComp-SO4 / SULFATE ION / Sulfate


Mass: 96.063 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: SO4
#5: Chemical ChemComp-WD2 / 1-[4-(trifluoromethyl)pyridin-2-yl]piperazine


Mass: 231.218 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C10H12F3N3 / Feature type: SUBJECT OF INVESTIGATION
#6: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 579 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestY

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.08 Å3/Da / Density % sol: 40.87 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop
Details: PEG3350 3% Ammonium sulphate 1.8M HEPES buffer 0.1M, pH 7.75

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: MAX IV / Beamline: BioMAX / Wavelength: 0.976238 Å
DetectorType: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Apr 4, 2020
RadiationProtocol: MAD / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.976238 Å / Relative weight: 1
ReflectionResolution: 2.1→48.36 Å / Num. obs: 132342 / % possible obs: 99.96 % / Redundancy: 13.5 % / CC1/2: 0.99 / Rrim(I) all: 0.3577 / Net I/σ(I): 9.73
Reflection shellResolution: 2.1→2.175 Å / Num. unique obs: 13095 / CC1/2: 0.537

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Processing

Software
NameVersionClassification
REFMAC5.8.0238refinement
PHASERphasing
XSCALEdata scaling
XDSdata reduction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.1→48.36 Å / Cor.coef. Fo:Fc: 0.959 / Cor.coef. Fo:Fc free: 0.942 / SU B: 7.069 / SU ML: 0.173 / Cross valid method: THROUGHOUT / ESU R: 0.241 / ESU R Free: 0.189 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.24108 6617 5 %RANDOM
Rwork0.20825 ---
obs0.20991 125718 99.98 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 47.389 Å2
Baniso -1Baniso -2Baniso -3
1-0.88 Å2-0 Å20 Å2
2---3.14 Å20 Å2
3---2.26 Å2
Refinement stepCycle: 1 / Resolution: 2.1→48.36 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms16164 0 125 579 16868
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0080.01316781
X-RAY DIFFRACTIONr_bond_other_d0.0010.01715048
X-RAY DIFFRACTIONr_angle_refined_deg1.4961.6522926
X-RAY DIFFRACTIONr_angle_other_deg1.2491.5834993
X-RAY DIFFRACTIONr_dihedral_angle_1_deg7.85252038
X-RAY DIFFRACTIONr_dihedral_angle_2_deg29.5121.989945
X-RAY DIFFRACTIONr_dihedral_angle_3_deg12.409152759
X-RAY DIFFRACTIONr_dihedral_angle_4_deg18.07715136
X-RAY DIFFRACTIONr_chiral_restr0.0610.22274
X-RAY DIFFRACTIONr_gen_planes_refined0.0070.0218658
X-RAY DIFFRACTIONr_gen_planes_other0.0010.023550
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it3.7914.7518109
X-RAY DIFFRACTIONr_mcbond_other3.7914.7518110
X-RAY DIFFRACTIONr_mcangle_it5.3957.1110112
X-RAY DIFFRACTIONr_mcangle_other5.3957.11110113
X-RAY DIFFRACTIONr_scbond_it5.125.4088672
X-RAY DIFFRACTIONr_scbond_other5.125.4088673
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other7.6157.87412799
X-RAY DIFFRACTIONr_long_range_B_refined9.92754.1717420
X-RAY DIFFRACTIONr_long_range_B_other9.92754.17217421
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
Refine LS restraints NCS

Refine-ID: X-RAY DIFFRACTION / Type: interatomic distance / Weight position: 0.05

Ens-IDDom-IDAuth asym-IDNumberRms dev position (Å)
11A62460.08
12B62460.08
21A61950.09
22C61950.09
31A61180.09
32D61180.09
41A61200.1
42E61200.1
51A62730.08
52F62730.08
61A62140.09
62G62140.09
71A62160.07
72H62160.07
81A61990.09
82I61990.09
91A61800.09
92J61800.09
101B62160.1
102C62160.1
111B62750.08
112D62750.08
121B61660.09
122E61660.09
131B62620.08
132F62620.08
141B62600.08
142G62600.08
151B61750.08
152H61750.08
161B62520.08
162I62520.08
171B62630.08
172J62630.08
181C61510.11
182D61510.11
191C61670.11
192E61670.11
201C62620.09
202F62620.09
211C61440.11
212G61440.11
221C61670.09
222H61670.09
231C61490.1
232I61490.1
241C62030.11
242J62030.11
251D60560.1
252E60560.1
261D62190.09
262F62190.09
271D62580.08
272G62580.08
281D61440.08
282H61440.08
291D63110.07
292I63110.07
301D61120.1
302J61120.1
311E60770.11
312F60770.11
321E60930.1
322G60930.1
331E60820.09
332H60820.09
341E60880.1
342I60880.1
351E63500.08
352J63500.08
361F61670.09
362G61670.09
371F61940.07
372H61940.07
381F62410.08
382I62410.08
391F61290.1
392J61290.1
401G61500.08
402H61500.08
411G62170.08
412I62170.08
421G61420.09
422J61420.09
431H61980.07
432I61980.07
441H61460.08
442J61460.08
451I61770.08
452J61770.08
LS refinement shellResolution: 2.1→2.154 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.368 483 -
Rwork0.34 9187 -
obs--99.95 %

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