3B6L

Crystal structure of lysozyme folded in SDS and 2-methyl-2,4-pentanediol

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	300	100mM sodium acetate buffer pH 4.6 and 2M sodium formate, VAPOR DIFFUSION, HANGING DROP, temperature 300K

Crystal Properties
Matthews coefficient	Solvent content
1.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.595	α = 90
b = 77.595	β = 90
c = 37.567	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	BRUKER PROTEUM		2005-11-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE

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	2.3	34.7	99.7	0.082	21.9	8.1		5468

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)
	2.3		100		0.022	8.5

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	AB INITIO	THROUGHOUT	1Z55	2.3	34.7	5088	5195	244	99.72	0.20236	0.2018	0.214	RANDOM	16.934

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]
-0.32			-0.32		0.64

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
		1083

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.857
r_dihedral_angle_4_deg	22.302
r_dihedral_angle_3_deg	21.229
r_scangle_it	9.285
r_scbond_it	8.511
r_mcangle_it	6.421
r_dihedral_angle_1_deg	5.409
r_mcbond_it	4.122
r_angle_refined_deg	1.781
r_nbtor_refined	0.323
r_nbd_refined	0.265
r_symmetry_hbond_refined	0.254
r_symmetry_vdw_refined	0.253
r_xyhbond_nbd_refined	0.232
r_chiral_restr	0.07
r_bond_refined_d	0.028
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_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	64
Heterogen Atoms	17

Software

Software
Software Name	Purpose
REFMAC	refinement
SHELXL-97	refinement
PROTEUM PLUS	data reduction
PROTEUM PLUS	data scaling
SHELX	phasing
SHELX	model building