4PRQ

CRYSTAL STRUCTURE OF HEN EGG-WHITE LYSOZYME IN COMPLEX WITH SCLX4 AT 1.72 A RESOLUTION

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2Z12	pdb entry 2z12

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.3	293.15	24 % PEG 8000, 100 MM MAGNESIUM CHLORIDE, 50 MM SODIUM CHLORIDE, 50 MM SODIUM CACODYLATE, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 293.15K

Crystal Properties
Matthews coefficient	Solvent content
2.18	43.62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.01	α = 90
b = 81.749	β = 105.37
c = 72.1	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	PSI PILATUS 6M		2012-02-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SOLEIL BEAMLINE PROXIMA 1	1.00792	SOLEIL	PROXIMA 1

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	1.72	42.47	98.64	0.089	9.4	3	51816	51142

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	1.72	1.82	94.9		0.694	1.8	2.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	pdb entry 2z12	1.72	42.47	49195	48526	2602	98.64	0.1881	0.18628	0.22197	RANDOM	22.815

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]
-0.1		-0.38	-0.46		0.58

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.579
r_dihedral_angle_4_deg	17.478
r_dihedral_angle_3_deg	13.062
r_dihedral_angle_1_deg	5.963
r_angle_refined_deg	1.141
r_chiral_restr	0.088
r_bond_refined_d	0.008
r_gen_planes_refined	0.006
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_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
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	4004
Nucleic Acid Atoms
Solvent Atoms	324
Heterogen Atoms	318

Software

Software
Software Name	Purpose
MxCuBE	data collection
PHASER	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling