1H5B

T cell receptor Valpha11 (AV11S5) domain

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	5.5		20C, VAPOR DIFFUSION, 3 UL PROTEIN (5 MG/ML IN 50 MM TRIS/CL, 100 MM NACL, PH 8.0) + 3 UL RESERVOIR SOLUTION (100 MM SODIUM CITRATE/HCL, 1.4-1.7 M LITHIUM CHLORIDE, PH 5.0-6.0) EQUILIBRATED AGAINST 1 ML OF RESERVOIR SOLUTION.

Crystal Properties
Matthews coefficient	Solvent content
2.7	54.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 83.531	α = 90
b = 83.531	β = 90
c = 132.463	γ = 120

Symmetry
Space Group	P 32 2 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	APS1		1999-02-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID		APS	19-ID

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	1.85	72.34	98.7	0.044	30.8	6.5		45847		-3	22.2

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	1.85	1.92	97.9		0.541	3.1	5.7

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	MAD	THROUGHOUT	1.85	39.83	43980	2189	94.8	0.224	0.224	0.245	RANDOM	39.6

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]
1.94	0.2		1.94		-3.87

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	26.7
c_scangle_it	3.24
c_mcangle_it	2.98
c_scbond_it	2.13
c_mcbond_it	1.76
c_angle_deg	1.3
c_improper_angle_d	0.62
c_bond_d	0.006
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3474
Nucleic Acid Atoms
Solvent Atoms	215
Heterogen Atoms	9

Software

Software
Software Name	Purpose
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling