8D8F

Crystal structure of hen egg white lysozyme at 325 Kelvin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	295	1.2 M NaCl and 100 mM AcONa pH 4.6

Crystal Properties
Matthews coefficient	Solvent content
2.09	41.01

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.612	α = 90
b = 79.612	β = 90
c = 37.718	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	325	CMOS	BRUKER PHOTON 100		2020-11-30	L	LAUE

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER TURBO X-RAY SOURCE	1.54184

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	CC (Half)	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	35.63	98.05	0.788	5.29	1.88		19859

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.5	35.63			0.788

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	3A8Z	1.5	35.629	19859	1027	98.055	0.204	0.2021	0.2427	25.765

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]
-0.005			-0.005		0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.188
r_dihedral_angle_4_deg	24.487
r_dihedral_angle_3_deg	12.681
r_lrange_it	7.568
r_lrange_other	7.564
r_dihedral_angle_1_deg	6.706
r_scangle_it	5.699
r_scangle_other	5.696
r_scbond_it	3.587
r_scbond_other	3.583
r_mcangle_other	3.06
r_mcangle_it	3.05
r_mcbond_it	2.114
r_mcbond_other	2.088
r_angle_refined_deg	1.631
r_angle_other_deg	1.501
r_nbd_refined	0.235
r_xyhbond_nbd_refined	0.231
r_symmetry_nbd_other	0.206
r_nbtor_refined	0.167
r_symmetry_xyhbond_nbd_refined	0.128
r_metal_ion_refined	0.12
r_nbd_other	0.117
r_symmetry_nbd_refined	0.103
r_chiral_restr	0.085
r_symmetry_nbtor_other	0.084
r_bond_refined_d	0.011
r_gen_planes_refined	0.009
r_symmetry_xyhbond_nbd_other	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1001
Nucleic Acid Atoms
Solvent Atoms	30
Heterogen Atoms	20

Software

Software
Software Name	Purpose
REFMAC	refinement
SAINT	data reduction