Experiment: 4E3U

Crystal Structure of Hen Egg White Lysozyme Cryoprotected in Proline

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	296	1.0M sodium chloride, 0.1M sodium acetate, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 296K

Crystal Properties
Matthews coefficient	Solvent content
2	38.58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.995	α = 90
b = 77.995	β = 90
c = 37.74	γ = 90

Symmetry
Space Group	P 43 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	123	IMAGE PLATE	RIGAKU RAXIS IV++		2011-10-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH3R	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	1.5	19.499	99.6	0.028	46.1	10.8	19076	19076

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.5	1.58	97.6		0.241	0.241	3.1	8.2	2660

Refinement

Statistics
Diffraction ID	Structure Solution 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)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB entry 2LYZ	1.5	19.499	18919	972	99.04	0.1864	0.1849	0.1783	0.2157	0.2099	17.3662

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]
-0.1693			-0.1693		0.3386

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	11.32
f_angle_d	1.012
f_chiral_restr	0.074
f_bond_d	0.005
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	981
Nucleic Acid Atoms
Solvent Atoms	99
Heterogen Atoms	11

Software

Software
Software Name	Purpose
SCALA	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
CrystalClear	data collection
XDS	data reduction