1R5B

Crystal structure analysis of sup35

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	277	HEPES, Ethylene Glycol, PEG 8000, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K

Crystal Properties
Matthews coefficient	Solvent content
3.09	59.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 83.796	α = 90
b = 83.796	β = 90
c = 165.937	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		2003-04-12	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	0.9787, 0.9724, 0.9791	ESRF	BM14

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	2.35	20	99.5	0.047	11.2	6.9	28714	24790	1

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	2.35	2.41	99.5		0.375	2	6.9	2840

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	MAD	THROUGHOUT	2.35	20	23902	1284	99.35	0.256	0.255	0.284	RANDOM	33.37

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]
0.52			0.52		-1.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.717
r_scangle_it	1.924
r_angle_refined_deg	1.29
r_scbond_it	1.148
r_angle_other_deg	0.826
r_mcangle_it	0.781
r_mcbond_it	0.41
r_symmetry_vdw_other	0.238
r_nbd_other	0.22
r_nbd_refined	0.202
r_symmetry_vdw_refined	0.19
r_symmetry_hbond_refined	0.184
r_xyhbond_nbd_refined	0.162
r_nbtor_other	0.085
r_chiral_restr	0.074
r_bond_refined_d	0.013
r_gen_planes_refined	0.004
r_bond_other_d	0.003
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3222
Nucleic Acid Atoms
Solvent Atoms	159
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling
SHARP	phasing