1W5J

AN ANTI-PARALLEL FOUR HELIX BUNDLE

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.6		HANGING DROP, 1 UL OF 10 MG/ML PEPTIDE IN WATER TO 1UL OF 0.07M TRI-SODIUM CITRATE DIHYDRATE PH 5.6 0.7M AMMONIUM DIHYDROGEN PHOSPHATE %30 V/V GLYCEROL, HAMPTON CRYSTAL SCREEN CRYO NUMBER 11

Crystal Properties
Matthews coefficient	Solvent content
2	39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 33.691	α = 90
b = 37.192	β = 90
c = 103.991	γ = 90

Symmetry
Space Group	P 21 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	93			CONFOCAL	2003-03-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

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	2.2	52	99.3	0.07	10.7	4.15		7116		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	2.2	2.28	99.3		0.16	10.7	3.75

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	MOLECULAR REPLACEMENT	THROUGHOUT	2.2	18.6	6718	330	99.3	0.231	0.228	0.285	RANDOM	32.9

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]
0.12			0.15		-0.27

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	6.878
r_dihedral_angle_1_deg	5.145
r_scbond_it	4.282
r_mcangle_it	2.517
r_angle_refined_deg	2.349
r_mcbond_it	1.603
r_angle_other_deg	1.147
r_symmetry_hbond_refined	0.453
r_symmetry_vdw_other	0.347
r_nbd_other	0.278
r_symmetry_vdw_refined	0.255
r_nbd_refined	0.251
r_xyhbond_nbd_refined	0.225
r_chiral_restr	0.177
r_nbtor_other	0.099
r_bond_refined_d	0.038
r_gen_planes_refined	0.012
r_bond_other_d	0.008
r_gen_planes_other	0.006
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
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	1093
Nucleic Acid Atoms
Solvent Atoms	11
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
CrystalClear	data reduction
CrystalClear	data scaling
MOLREP	phasing