2QBX

EphB2/SNEW Antagonistic Peptide Complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.2	298	100 mM Hepes, pH 7.2, 100 mM ammonium sulfate, and 20% PEG-3350, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.18	43.46

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.183	α = 90
b = 40.183	β = 90
c = 235.025	γ = 120

Symmetry
Space Group	P 32

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	MARMOSAIC 300 mm CCD	mirrors	2006-10-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	1.0	APS	23-ID-D

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.299	34.79				17391	17391	1	1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.299	2.3	87.06

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	1NUK	2.3	34.79	17391	942	97.03	0.19793	0.19424	0.2695	RANDOM	33.547

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]
0.23	0.12		0.23		-0.35

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.724
r_dihedral_angle_1_deg	19.432
r_dihedral_angle_3_deg	16.254
r_dihedral_angle_4_deg	16.122
r_scangle_it	2.663
r_angle_refined_deg	2.106
r_scbond_it	1.834
r_mcangle_it	1.416
r_angle_other_deg	1.295
r_mcbond_it	0.939
r_symmetry_hbond_refined	0.338
r_symmetry_vdw_other	0.263
r_chiral_restr	0.217
r_nbd_other	0.207
r_xyhbond_nbd_refined	0.2
r_nbd_refined	0.199
r_nbtor_refined	0.195
r_mcbond_other	0.178
r_symmetry_vdw_refined	0.1
r_nbtor_other	0.097
r_xyhbond_nbd_other	0.068
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2988
Nucleic Acid Atoms
Solvent Atoms	174
Heterogen Atoms	60

Software

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