2WHR | pdb_00002whr

Crystal structure of acetylcholinesterase in complex with K027

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1J06	PDB ENTRY 1J06

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7		26-30 % (V/V) PEG750MME, 0.1 M HEPES PH 7.0

Crystal Properties
Matthews coefficient	Solvent content
4.1	70

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.32	α = 90
b = 111.41	β = 90
c = 226.85	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARRESEARCH		2006-02-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I711		MAX II	I711

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.6	19.8	98	0.06	27.1	7.2		64776		3	43.21

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.54	2.7	87.7		0.29	7.2	5.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 1J06	2.545	19.809	1.41	64699	1292	98.33	0.1708	0.1698	0.2192	0.1962

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
-0.1488			0.2844		-0.1355

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	18.349
f_angle_d	0.921
f_chiral_restr	0.063
f_bond_d	0.004
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8336
Nucleic Acid Atoms
Solvent Atoms	660
Heterogen Atoms	143

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
SCALA	data scaling
REFMAC	phasing