Experiment: 3TO2

Structure of HLA-A*0201 complexed with peptide Md3-C9 derived from a clustering region of restricted cytotoxic T lymphocyte epitope from SARS-CoV M protein

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	277	0.1M Ammonium acetate, 0.1M BIS-Tris pH6.5, 17% polyethylene glycol 10000, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.51	64.94

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 147.459	α = 90
b = 147.459	β = 90
c = 49.903	γ = 120

Symmetry
Space Group	P 63

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS VII		2008-09-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.54178

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	2.6	50	100				19393	2	2	42.56

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	2.6	2.69	100

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	2.6	35.419	18978	978	97.84	0.1953	0.1953	0.1934	0.2053	0.2304	0.24	Random

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]
1.4497			1.4497		-2.8993

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	16.315
f_angle_d	0.856
f_chiral_restr	0.061
f_bond_d	0.005
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3147
Nucleic Acid Atoms
Solvent Atoms	109
Heterogen Atoms

Software

Software
Software Name	Purpose
APEX	data collection
CNS	refinement
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
CNS	phasing