1OR3

APOLIPOPROTEIN E3 (APOE3), TRIGONAL TRUNCATION MUTANT 165

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.6		RT, 50MM NA-CACODYLATE, PH 5.6, 10-20% PEG 400, 1% 2-ME. NOTE: W/O 2-ME OR HIGHER PEG CONCENTRATIONS, OTHER CRYSTAL FORMS APPEARS (SEE PDB ENTRIES 1BZ4, 1OR2).

Crystal Properties
Matthews coefficient	Solvent content
1.76	30

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.37	α = 90
b = 47.37	β = 90
c = 104.54	γ = 120

Symmetry
Space Group	P 31 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	125	AREA DETECTOR	ADSC	COLLIMATOR	1997-05-15	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)	R Sym 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	1.73	25	97.2	0.068	6.8	27.4	2.9		16782			40.3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.73	1.86	95.7		0.225	22.5	3.7	2.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.73	10	2	13222	1339	89.9	0.229	0.238	RANDOM	53.7

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]
-1.23	-3.35		-1.23		2.46

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	20.5
x_scangle_it	11.1
x_scbond_it	7.23
x_mcangle_it	6.62
x_mcbond_it	4.29
x_angle_deg	1.1
x_improper_angle_d	0.59
x_bond_d	0.006
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1148
Nucleic Acid Atoms
Solvent Atoms	158
Heterogen Atoms

Software

Software
Software Name	Purpose
SOLVE	phasing
X-PLOR	model building
CCP4	model building
X-PLOR	refinement
UCSD-system	data reduction
UCSD-system	data scaling
X-PLOR	phasing
CCP4	phasing