8D8C

Crystal structure of hen egg white lysozyme at 300 Kelvin

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3A8Z

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
2.14	42.62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.422	α = 90
b = 80.422	β = 90
c = 37.997	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	300	CMOS	BRUKER PHOTON 100		2020-11-24	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	22.78	98.05	0.662	6.91	1.81		20655

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	22.78			0.662

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	22.776	20655	1073	98.054	0.2	0.1988	0.2276	21.998

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		-0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.897
r_dihedral_angle_4_deg	19.483
r_dihedral_angle_3_deg	14.322
r_lrange_it	6.964
r_lrange_other	6.962
r_dihedral_angle_1_deg	6.598
r_scangle_it	5.441
r_scangle_other	5.438
r_scbond_it	3.494
r_scbond_other	3.491
r_mcangle_other	2.889
r_mcangle_it	2.87
r_mcbond_it	1.962
r_mcbond_other	1.908
r_angle_refined_deg	1.807
r_angle_other_deg	1.498
r_nbd_refined	0.231
r_symmetry_nbd_other	0.192
r_nbtor_refined	0.163
r_symmetry_xyhbond_nbd_refined	0.115
r_xyhbond_nbd_refined	0.105
r_nbd_other	0.093
r_chiral_restr	0.085
r_symmetry_nbtor_other	0.082
r_symmetry_nbd_refined	0.069
r_metal_ion_refined	0.054
r_bond_refined_d	0.011
r_gen_planes_refined	0.01
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	41
Heterogen Atoms	20

Software

Software
Software Name	Purpose
REFMAC	refinement
SAINT	data reduction