2X0A

MPD-Lysozyme structure at 55.5 keV using a TRIXXEL CsI-aSi based digital imager and the new ESRF U22 undulator source at ID15

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	295	HANGING DROP METHOD AT 295K. DROP IS 1 MICROL OF 50 MG/ML PROTEIN AND 1 MICROL OF WELL SOLUTION. WELL VOLUME IS 1ML OF 70 % MPD FROM HAMPTON RESEARCH.

Crystal Properties
Matthews coefficient	Solvent content
2.01	39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.207	α = 90
b = 77.207	β = 90
c = 37.767	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	FLAT PANEL	TRIXXEL	SINGLE BOUNCE BENT BRAGG MONO	2008-07-19	M	SINGLE WAVELENGTH
2	1	x-ray		CCD	ADSC CCD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID15B	0.22	ESRF	ID15B
2	SYNCHROTRON	NSLS BEAMLINE X6A		NSLS	X6A

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	1.52	20	99.2	0.06	19.6	6.6		17977		2	11.2

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	1.52	1.54	89.1		0.24	3.4	3.4

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 2CGI	1.52	19.3	17023	915	100	0.14874	0.14621	0.19902	RANDOM	13.263

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]
-0.45			-0.45		0.9

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.762
r_dihedral_angle_4_deg	18.328
r_dihedral_angle_3_deg	12.638
r_sphericity_free	5.889
r_dihedral_angle_1_deg	5.638
r_scangle_it	3.856
r_sphericity_bonded	3.264
r_scbond_it	2.666
r_mcangle_it	1.841
r_rigid_bond_restr	1.49
r_angle_refined_deg	1.336
r_mcbond_it	1.158
r_chiral_restr	0.091
r_bond_refined_d	0.012
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
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

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1000
Nucleic Acid Atoms
Solvent Atoms	123
Heterogen Atoms	12

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing