2HA6

Crystal structure of mutant S203A of mouse acetylcholinesterase complexed with succinylcholine

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		277	25-32% PEG550 MME or PEG600, 60-100mM HEPES or Na acetate, pH 6.5-8.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
4.13	70.24

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.983	α = 90
b = 109.825	β = 90
c = 227.933	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	ADSC QUANTUM 210		2004-03-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.975	ESRF	ID14-4

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	2.25	30	95.3	0.057	14.3	3.8		93560			51.3

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	2.25	2.35	68.3		0.513	2.9	3.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	1J06	2.25	30	87759	1805	94.89	0.17765	0.17721	0.19832	RANDOM	47.036

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]
2.7			3.43		-6.12

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.54
r_dihedral_angle_4_deg	18.875
r_dihedral_angle_3_deg	15.246
r_dihedral_angle_1_deg	6.487
r_scangle_it	2.705
r_scbond_it	1.737
r_angle_refined_deg	1.374
r_mcangle_it	1.141
r_angle_other_deg	0.948
r_mcbond_it	0.766
r_symmetry_vdw_other	0.314
r_nbd_refined	0.203
r_nbd_other	0.203
r_mcbond_other	0.199
r_symmetry_hbond_refined	0.196
r_nbtor_refined	0.183
r_xyhbond_nbd_refined	0.15
r_symmetry_vdw_refined	0.112
r_nbtor_other	0.088
r_chiral_restr	0.081
r_bond_refined_d	0.013
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8333
Nucleic Acid Atoms
Solvent Atoms	624
Heterogen Atoms	103

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
DENZO	data reduction
SCALEPACK	data scaling