3OMZ

Crystal structure of MICA-specific human gamma delta T cell receptor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.6	295	0.4M ammonium sulfate, 1.0M lithium sulfate, 0.1M sodium citrate, 0.03M glycyl-glycyl-glycine, pH 6.6, VAPOR DIFFUSION, HANGING DROP, temperature 295.0K

Crystal Properties
Matthews coefficient	Solvent content
2.92	57.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 112.37	α = 90
b = 112.37	β = 90
c = 108.11	γ = 90

Symmetry
Space Group	P 43

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	77	CCD	ADSC QUANTUM 315r	Dual crystal, Si(111)	2007-10-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2	1.0000	ALS	5.0.2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	3.04	50	99.8	0.054	0.054	48.4	4.1	25563	25563

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)
	3.04	3.16	99.1		0.365	2.1	4.1

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	MAD	THROUGHOUT	3.04	32.83	24654	1324	99.84	0.26728	0.26514	0.30779	RANDOM	90.023

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]
0.22			0.22		-0.44

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.928
r_dihedral_angle_4_deg	22.14
r_dihedral_angle_3_deg	21.383
r_dihedral_angle_1_deg	7.161
r_scangle_it	2.765
r_scbond_it	1.838
r_angle_refined_deg	1.418
r_mcangle_it	1.414
r_angle_other_deg	0.814
r_mcbond_it	0.803
r_symmetry_vdw_other	0.281
r_symmetry_hbond_refined	0.247
r_nbd_refined	0.24
r_nbd_other	0.236
r_nbtor_refined	0.216
r_xyhbond_nbd_refined	0.2
r_symmetry_vdw_refined	0.19
r_mcbond_other	0.137
r_nbtor_other	0.1
r_chiral_restr	0.078
r_xyhbond_nbd_other	0.032
r_bond_refined_d	0.013
r_bond_other_d	0.004
r_gen_planes_refined	0.004
r_gen_planes_other	0.001
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4999
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

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