1QIO

SPECIFIC CHEMICAL AND STRUCTURAL DAMAGE CAUSED BY INTENSE SYNCHROTRON RADIATION TO HEN EGG WHITE LYSOZYME

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.7		CRYSTALLIZED FROM 2-6% NACL, 0.2 M SODIUM ACETATE PH 4.7.

Crystal Properties
Matthews coefficient	Solvent content
1.65	25.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 76.929	α = 90
b = 76.929	β = 90
c = 37.207	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	100	CCD	ADSC QUANTUM 4	BENT TORROIDAL MIRROR	1999-05-15	M	SINGLE WAVELENGTH

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

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	1.2	25	95.3	0.061	23.7	4.11		34095		-3

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	1.24	69.2		0.176	4.3	2.89

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	OTHER	FREE R	PDB ENTRY 194L	1.2	20	34044	1701	90.6	0.1473		0.188	RANDOM

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
		1170.4

RMS Deviations
Key	Refinement Restraint Deviation
s_anti_bump_dis_restr	0.185
s_non_zero_chiral_vol	0.072
s_zero_chiral_vol	0.066
s_approx_iso_adps	0.066
s_angle_d	0.04
s_similar_adp_cmpnt	0.039
s_bond_d	0.029
s_from_restr_planes	0.028
s_rigid_bond_adp_cmpnt	0.004
s_similar_dist

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	999
Nucleic Acid Atoms
Solvent Atoms	180
Heterogen Atoms	3

Software

Software
Software Name	Purpose
SHELXL-97	refinement
SCALEPACK	data scaling
CNS	refinement
WARP	model building
DENZO	data reduction
CNS	phasing
ARP/wARP	model building

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.