1B0D

Structural effects of monovalent anions on polymorphic lysozyme crystals

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.5	291	THE CRYSTAL WAS OBTAINED IN PRESENCE OF NAPTS WITH A FINAL PROTEIN CONCENTRATION OF 40.5 MG/ML IN HANGING DROPS USING VAPOR DIFFUSION METHOD. THE EQUILIBRATION AT 291K WAS DONE AGAINST A RESERVOIR SOLUTION CONTAINING 90 MM NAPTS, 50 MM SODIUM ACETATE ADJUSTED AT PH 4.5., vapor diffusion - hanging drop

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.06	α = 90
b = 79.06	β = 90
c = 37.97	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	293	IMAGE PLATE	RIGAKU RAXIS II		1994-04-01	M	MONOCHROMATIC

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

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	1.85	13.5	97.5	0.049	10.5	6.6		10462			21.4

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)
	1.85	1.9	85.8		0.135	4.5	4.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	OTHER	THROUGHOUT	1.84	14	10461	1082	96.1	0.202	0.241	RANDOM	18.7

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]

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	23.22
x_scangle_it	4.72
x_scbond_it	2.94
x_mcangle_it	2.39
x_mcbond_it	1.52
x_angle_deg	1.33
x_improper_angle_d	1.15
x_bond_d	0.006
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1001
Nucleic Acid Atoms
Solvent Atoms	86
Heterogen Atoms	11

Software

Software
Software Name	Purpose
MOSFLM	data reduction
CCP4	data reduction
CCP4	model building
X-PLOR	refinement
CCP4	data scaling
CCP4	phasing