Experiment: 1WTM

X-ray structure of HEW Lysozyme Orthorhombic Crystal formed in the Earth's magnetic field

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	in the Earth's magnetic field	4.5	313	NaCl, sodium acetate, pH 4.5, in the Earth's magnetic field, temperature 313K

Crystal Properties
Matthews coefficient	Solvent content
2.26	45.52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.44	α = 90
b = 73.73	β = 90
c = 30.43	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	296	DIFFRACTOMETER	WEISSENBERG		1999-06-20	M	SINGLE WAVELENGTH
2	1		DIFFRACTOMETER	CUSTOM-MADE		1999-10-20

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-18B	1.0000	Photon Factory	BL-18B
2	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-18B	1.0000	Photon Factory	BL-18B

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	1.33	20	93.6			21469	20095		3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.33	1.38	62.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	1.33	16	3	20095	20095	2000		0.173	0.201	0.2457

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]

RMS Deviations
Key	Refinement Restraint Deviation
p_angle_d	0.022
p_bond_d	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1020
Nucleic Acid Atoms
Solvent Atoms	88
Heterogen Atoms	1

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
EPMR	phasing
REFMAC	refinement