6P4D

Hen egg lysozyme (HEL) containing three point mutations (HEL3x): R21Q, R73E, and D101R

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	EVAPORATION		293	12 mg/mL protein, 25 mM Tris, pH 8.0, 150 mM sodium chloride, spontaneous crystal growth

Crystal Properties
Matthews coefficient	Solvent content
1.98	37.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.55	α = 90
b = 77.55	β = 90
c = 37.77	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	100	PIXEL	DECTRIS EIGER X 16M		2018-02-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX2	0.9794	Australian Synchrotron	MX2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	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	1.05	38.77	100	0.084	0.086	0.018	0.998	20.6	23.9		54091

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.05	1.07	100		0.623	0.637	0.132	0.947		23.7

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1LKS	1.05	38.77	51340	2688	100	0.1227	0.1217	0.145	RANDOM	13.187

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]
0.62			0.62		-1.25

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.106
r_dihedral_angle_4_deg	15.825
r_dihedral_angle_3_deg	12.002
r_dihedral_angle_1_deg	7.189
r_angle_refined_deg	1.715
r_angle_other_deg	1.651
r_rigid_bond_restr	1.569
r_chiral_restr	0.1
r_bond_refined_d	0.01
r_gen_planes_refined	0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.106
r_dihedral_angle_4_deg	15.825
r_dihedral_angle_3_deg	12.002
r_dihedral_angle_1_deg	7.189
r_angle_refined_deg	1.715
r_angle_other_deg	1.651
r_rigid_bond_restr	1.569
r_chiral_restr	0.1
r_bond_refined_d	0.01
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	1000
Nucleic Acid Atoms
Solvent Atoms	169
Heterogen Atoms	17

Software

Software
Software Name	Purpose
MOSFLM	data reduction
Aimless	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.