4M9B

Crystal structure of Apo Ara h 8

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	0.2M Magnesium Formate, 20% (w/v) PEG 3350, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.26	45.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.939	α = 90
b = 87.965	β = 96.78
c = 42.898	γ = 90

Symmetry
Space Group	P 1 21 1

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	ADSC QUANTUM 210r		2012-06-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM	.98	APS	19-BM

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	1.6	50	99.7	0.045	0.045	38.1	3.7	39702	39702		-3	25.5

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	1.6	1.63	99.9		0.691	0.691	2.3	3.7	1979

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1IFV	1.6	29.52	37647	37647	1994	99.66	0.18244	0.18244	0.1803	0.22221	RANDOM	30.737

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]
0.17		-0.31	-0.38		0.24

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.701
r_dihedral_angle_4_deg	16.838
r_dihedral_angle_3_deg	13.231
r_dihedral_angle_1_deg	6.305
r_angle_refined_deg	2.126
r_angle_other_deg	1.271
r_chiral_restr	0.126
r_bond_refined_d	0.023
r_gen_planes_refined	0.013
r_bond_other_d	0.007
r_gen_planes_other	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2369
Nucleic Acid Atoms
Solvent Atoms	351
Heterogen Atoms	2

Software

Software
Software Name	Purpose
HKL-3000	data collection
HKL-3000	phasing
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling