2BPU

The Kedge Holmium Derivative of Hen Egg-White Lysozyme at high resolution from Single Wavelength Anomalous Diffraction

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.5		pH 4.50

Crystal Properties
Matthews coefficient	Solvent content
2.02	39.01

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.707	α = 90
b = 78.707	β = 90
c = 37.325	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	105	CCD	MARRESEARCH		2005-04-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X17B1		NSLS	X17B1

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	1.35	30	99.2	0.07	24.9	6.5		49334		2

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	1.35	1.4	92.4		2.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SAD	THROUGHOUT	1.35	27.83	25072	1338	99.9	0.184	0.183	0.207	RANDOM	12.84

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]
0.01			0.01		-0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.35
r_dihedral_angle_4_deg	17.433
r_dihedral_angle_3_deg	10.826
r_dihedral_angle_1_deg	5.639
r_scangle_it	3.6
r_scbond_it	2.359
r_mcangle_it	1.641
r_angle_refined_deg	1.275
r_mcbond_it	1.06
r_angle_other_deg	0.866
r_symmetry_vdw_refined	0.309
r_symmetry_vdw_other	0.287
r_nbd_refined	0.238
r_xyhbond_nbd_refined	0.206
r_nbd_other	0.184
r_nbtor_refined	0.181
r_symmetry_hbond_refined	0.135
r_chiral_restr	0.086
r_nbtor_other	0.082
r_bond_refined_d	0.011
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_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	111
Heterogen Atoms	7

Software

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