4AXB

Crystal structure of soman-aged human butyrylcholinesterase in complex with 2-PAM

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1P0I	PDB ENTRY 1P0I

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.4		PROTEIN WAS CRYSTALLIZED FROM 2.1 M AMMONIUM SULFATE, 100 MM MES BUFFER PH 6.5. THEN SOAKED IN 20% GLYCEROL

Crystal Properties
Matthews coefficient	Solvent content
3.09	60.14

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 155.95	α = 90
b = 155.95	β = 90
c = 127.9	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	63	CCD	MARMOSAIC 225 mm CCD		2010-02-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-2		ESRF	ID23-2

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	2.4	110.27	99.7	0.09	15.6	8.8		29874		-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	2.4	2.55	99.8		0.34	5.2	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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1P0I	2.4	110.27	29428	1563	99.55	0.1707	0.16808	0.17	0.22117	0.22	RANDOM	38.713

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]
0.27			0.27		-0.54

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.941
r_dihedral_angle_4_deg	17.911
r_dihedral_angle_3_deg	16.86
r_dihedral_angle_1_deg	7.099
r_scangle_it	5.261
r_scbond_it	3.31
r_mcangle_it	2.045
r_angle_refined_deg	1.998
r_mcbond_it	1.122
r_chiral_restr	0.14
r_bond_refined_d	0.023
r_gen_planes_refined	0.01
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4207
Nucleic Acid Atoms
Solvent Atoms	356
Heterogen Atoms	175

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction