3DX6

Crystal Structure of B*4402 presenting a 10mer EBV epitope

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.6	293	Citrate, Ammonium Acetate, PEG 4000, pH 5.6, vapor diffusion, hanging drop, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.53	51.44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.696	α = 90
b = 81.948	β = 90
c = 109.772	γ = 90

Symmetry
Space Group	P 21 21 21

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	MAR CCD 165 mm		2003-07-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID	1.00	APS	17-ID

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	1.701	65.65				48249	45757

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.701	1.745

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	1.701	65.65	48249	45757	2452	94.57	0.21	0.208	0.251	RANDOM	21.512

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]
-0.27			-0.99		1.27

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.248
r_dihedral_angle_3_deg	14.53
r_dihedral_angle_4_deg	14.264
r_dihedral_angle_1_deg	5.801
r_scangle_it	1.836
r_scbond_it	1.382
r_angle_refined_deg	1.206
r_mcangle_it	0.966
r_mcbond_it	0.866
r_angle_other_deg	0.831
r_symmetry_vdw_other	0.296
r_nbd_other	0.195
r_nbd_refined	0.188
r_nbtor_refined	0.177
r_symmetry_vdw_refined	0.155
r_symmetry_hbond_refined	0.141
r_mcbond_other	0.141
r_xyhbond_nbd_refined	0.121
r_chiral_restr	0.081
r_nbtor_other	0.08
r_bond_refined_d	0.008
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3175
Nucleic Acid Atoms
Solvent Atoms	480
Heterogen Atoms	48

Software

Software
Software Name	Purpose
PHASER	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling