8D5W

Crystal structure of hen egg white lysozyme at 125 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
2.01	38.87

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.782	α = 90
b = 78.782	β = 90
c = 37.17	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	125	CMOS	BRUKER PHOTON 100		2020-10-07	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	1.499	22.3	99.61	0.802	7.17	1.89		19280

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	1.499	22.3			0.802

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	1.499	22.3	19280	987	99.613	0.187	0.1854	0.214	10.869

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]
-0.006			-0.006		0.012

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.444
r_dihedral_angle_4_deg	20.8
r_dihedral_angle_3_deg	12.979
r_dihedral_angle_1_deg	6.912
r_lrange_it	3.814
r_lrange_other	3.754
r_scangle_it	2.747
r_scangle_other	2.745
r_scbond_it	1.887
r_scbond_other	1.886
r_angle_refined_deg	1.811
r_angle_other_deg	1.623
r_mcangle_it	1.538
r_mcangle_other	1.537
r_mcbond_it	1.043
r_mcbond_other	0.983
r_nbd_refined	0.238
r_symmetry_nbd_other	0.196
r_nbtor_refined	0.174
r_nbd_other	0.169
r_xyhbond_nbd_refined	0.121
r_symmetry_nbd_refined	0.109
r_chiral_restr	0.092
r_symmetry_nbtor_other	0.087
r_metal_ion_refined	0.086
r_symmetry_xyhbond_nbd_refined	0.075
r_bond_refined_d	0.012
r_gen_planes_refined	0.01
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1001
Nucleic Acid Atoms
Solvent Atoms	111
Heterogen Atoms	20

Software

Software
Software Name	Purpose
REFMAC	refinement
SAINT	data reduction