2IAL

Structural basis for recognition of mutant self by a tumor-specific, MHC class II-restricted TCR

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	295	10% PEG-2000 MME, 0.1M Tris, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.39	48.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 170.044	α = 90
b = 65.663	β = 90
c = 84.817	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	ADSC QUANTUM 315		2005-07-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A	1.0	NSLS	X29A

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	1.92	50		0.108	13.1			71032

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)
	1.92	1.99	78.1		0.491	1.5		9536

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1FYT	1.92	44.31	69224	65728	3496	94.09	0.21032	0.20753	0.26453	RANDOM	31.079

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]
0.6			-0.08		-0.52

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.07
r_dihedral_angle_3_deg	18.308
r_dihedral_angle_4_deg	14.843
r_dihedral_angle_1_deg	12.647
r_scangle_it	4.501
r_scbond_it	2.988
r_mcangle_it	2.025
r_angle_refined_deg	1.869
r_mcbond_it	1.241
r_nbtor_refined	0.306
r_symmetry_vdw_refined	0.273
r_nbd_refined	0.221
r_xyhbond_nbd_refined	0.155
r_symmetry_hbond_refined	0.149
r_chiral_restr	0.139
r_bond_refined_d	0.019
r_gen_planes_refined	0.01
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	6862
Nucleic Acid Atoms
Solvent Atoms	243
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
PHASER	phasing