8D7S

Crystal structure of hen egg white lysozyme at 275 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
2.1	41.38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.79	α = 90
b = 79.79	β = 90
c = 37.785	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	275	CMOS	BRUKER PHOTON 100		2020-11-04	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	27.45	96.9	0.822	4.55	1.87		20414

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	27.45			0.822

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	27.449	20414	1056	97.099	0.214	0.2125	0.2342	18.844

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]
-0.001			-0.001		0.002

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.293
r_dihedral_angle_4_deg	24.17
r_dihedral_angle_3_deg	12.506
r_dihedral_angle_1_deg	6.859
r_lrange_it	6.087
r_lrange_other	6.08
r_scangle_it	4.739
r_scangle_other	4.736
r_scbond_it	3.034
r_scbond_other	3.031
r_mcangle_other	2.299
r_mcangle_it	2.293
r_angle_refined_deg	1.775
r_mcbond_it	1.591
r_angle_other_deg	1.544
r_mcbond_other	1.519
r_nbd_refined	0.234
r_nbd_other	0.199
r_symmetry_nbd_other	0.194
r_nbtor_refined	0.168
r_symmetry_nbd_refined	0.143
r_xyhbond_nbd_refined	0.133
r_symmetry_xyhbond_nbd_refined	0.116
r_chiral_restr	0.096
r_symmetry_nbtor_other	0.081
r_bond_refined_d	0.012
r_gen_planes_refined	0.01
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_metal_ion_refined

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1001
Nucleic Acid Atoms
Solvent Atoms	53
Heterogen Atoms	20

Software

Software
Software Name	Purpose
REFMAC	refinement
SAINT	data reduction