1XLW

Diethylphosphorylated Butyrylcholinesterase (Nonaged) Obtained By Reaction With Echothiophate

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	AMMONIUM SULFATE, 2-(N-MORPHOLINO)-ETHANESULFONIC ACID, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.9	56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 154.463	α = 90
b = 154.463	β = 90
c = 127.011	γ = 90

Symmetry
Space Group	I 4 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS IV		2003-12-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	2.1	50	97.3	0.058	29	9.2		43695

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.18	98.2		0.462	5.5	9

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	MOLECULAR REPLACEMENT	THROUGHOUT	1POI	2.1	40	38613	2064	90.42	0.18569	0.18369	0.22274	RANDOM	42.282

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]
-1.06			-1.06		2.11

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.891
r_dihedral_angle_3_deg	16.268
r_dihedral_angle_4_deg	15.744
r_dihedral_angle_1_deg	6.422
r_scangle_it	3.868
r_scbond_it	2.757
r_mcangle_it	1.788
r_angle_refined_deg	1.714
r_mcbond_it	1.299
r_symmetry_hbond_refined	0.384
r_nbtor_refined	0.317
r_symmetry_vdw_refined	0.223
r_nbd_refined	0.211
r_xyhbond_nbd_refined	0.188
r_chiral_restr	0.127
r_bond_refined_d	0.018
r_gen_planes_refined	0.008
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4180
Nucleic Acid Atoms
Solvent Atoms	290
Heterogen Atoms	190

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
AMoRE	phasing
REFMAC	refinement