3KLA

Ca2+ release from the endoplasmic reticulum of NY-ESO-1 specific T cells is modulated by the affinity of T cell receptor and by the use of the CD8 co-receptor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	294	16% PEG 8K, 20mM MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.63	53.15

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.853	α = 90
b = 93.754	β = 90.02
c = 79.903	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 4		2004-04-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1	0.934	ESRF	ID14-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.65	30	98.8	0.066			109988	108788	2	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.65	1.71			0.767	1.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.65	29.8	104441	5497	98.86	0.19015	0.18758	0.2389	RANDOM	37.524

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]
-0.54		0.01	0.38		0.16

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.187
r_dihedral_angle_4_deg	17.954
r_dihedral_angle_3_deg	13.571
r_dihedral_angle_1_deg	6.353
r_scangle_it	3.64
r_scbond_it	2.404
r_mcangle_it	1.471
r_angle_refined_deg	1.463
r_mcbond_it	0.981
r_nbtor_refined	0.303
r_symmetry_vdw_refined	0.23
r_nbd_refined	0.228
r_symmetry_hbond_refined	0.224
r_xyhbond_nbd_refined	0.216
r_chiral_restr	0.101
r_bond_refined_d	0.013
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6322
Nucleic Acid Atoms
Solvent Atoms	1703
Heterogen Atoms

Software

Software
Software Name	Purpose
ADSC	data collection
EPMR	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling