2FBB

Crystal Structure Analysis of Hexagonal Lysozyme

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.4	293	10% aqu. acetone solution saturated with sodium nitrate, 25mg/ml lysozyme, pH 8.4, batch, temperature 293.0K, pH 8.40

Crystal Properties
Matthews coefficient	Solvent content
2.51	50.97

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 85.637	α = 90
b = 85.637	β = 90
c = 67.932	γ = 120

Symmetry
Space Group	P 61 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	10	CCD	MARRESEARCH		2004-06-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X13		EMBL/DESY, HAMBURG	X13

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.46	70	100	0.038	77.6	23		25570		3.5

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.46	1.47	100		0.884	3.5	13.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	1DPW.pdb	1.46	70	26041	25016	528	98.1	0.183	0.183	0.198	RANDOM	27.21

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]
-0.14	-0.07		-0.14		0.21

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.347
r_dihedral_angle_4_deg	17.941
r_dihedral_angle_3_deg	13.55
r_dihedral_angle_1_deg	11.106
r_scangle_it	4.01
r_scbond_it	2.622
r_angle_refined_deg	1.98
r_mcangle_it	1.727
r_mcbond_it	1.419
r_angle_other_deg	1.027
r_symmetry_vdw_refined	0.527
r_mcbond_other	0.389
r_symmetry_hbond_refined	0.344
r_symmetry_vdw_other	0.311
r_xyhbond_nbd_refined	0.303
r_nbd_refined	0.249
r_symmetry_metal_ion_refined	0.211
r_nbd_other	0.204
r_nbtor_refined	0.189
r_metal_ion_refined	0.169
r_chiral_restr	0.133
r_nbtor_other	0.09
r_bond_refined_d	0.021
r_gen_planes_refined	0.011
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1001
Nucleic Acid Atoms
Solvent Atoms	165
Heterogen Atoms	69

Software

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