2G4Q

Anomalous substructure of lysozyme at pH 8.0

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
1.92	36.08

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.17	α = 90
b = 77.17	β = 90
c = 37.05	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	CCD	MARRESEARCH		2005-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X12	2.00	EMBL/DESY, Hamburg	X12

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	1.84	30					10159

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	FOURIER SYNTHESIS	THROUGHOUT	1.84	30	9949	210	99.88	0.16786	0.16707	0.20613	RANDOM	27.367

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]
-0.34			-0.34		0.69

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.475
r_dihedral_angle_4_deg	20.368
r_dihedral_angle_3_deg	14.28
r_scangle_it	6.536
r_dihedral_angle_1_deg	6.479
r_scbond_it	4.254
r_mcangle_it	1.85
r_angle_refined_deg	1.73
r_mcbond_it	1.277
r_angle_other_deg	1.012
r_symmetry_vdw_refined	0.83
r_symmetry_vdw_other	0.264
r_mcbond_other	0.238
r_nbd_refined	0.217
r_symmetry_hbond_refined	0.215
r_nbd_other	0.198
r_nbtor_refined	0.176
r_xyhbond_nbd_refined	0.153
r_chiral_restr	0.115
r_nbtor_other	0.088
r_bond_refined_d	0.02
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1001
Nucleic Acid Atoms
Solvent Atoms	77
Heterogen Atoms	5

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
CCP4	data scaling
FFT	phasing