1AO7

COMPLEX BETWEEN HUMAN T-CELL RECEPTOR, VIRAL PEPTIDE (TAX), AND HLA-A 0201

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1HHK	PDB ENTRIES 1HHK, 1BEC CHAIN 1934.4
experimental model	PDB	1BEC	PDB ENTRIES 1HHK, 1BEC CHAIN 1934.4

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		CRYSTALLIZED FROM 10% PEG 8000, 100 MM MGACETATE, 50 MM NACACODYLATE, PH 6.5

Crystal Properties
Matthews coefficient	Solvent content
2.9	56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 229.3	α = 90
b = 49.5	β = 89.6
c = 96	γ = 90

Symmetry
Space Group	C 1 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	ADSC QUANTUM	MIRRORS	1996-05-05	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE A1		CHESS	A1

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	2.6	12	95	0.11	0.11	7	3.1		29279		-3.5	48.5

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.6	2.69	82.9		0.246	0.246	3.9	2.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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, HEAVY ATOM DERIVATIVES, ITERATIVE REAL-SPACE AVERAGING	THROUGHOUT	PDB ENTRIES 1HHK, 1BEC CHAIN 1934.4	2.6	6	29279	3006	94.9	0.245	0.245	0.32	SHELLS	42.4

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]
-6			6		6

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	27.8
x_scangle_it	8.92
x_scbond_it	5.97
x_mcangle_it	5.47
x_mcbond_it	3.5
x_angle_deg	1.6
x_improper_angle_d	1.39
x_bond_d	0.007
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5668
Nucleic Acid Atoms
Solvent Atoms	37
Heterogen Atoms	6

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
VECREF	model building
X-PLOR	model building
X-PLOR	refinement
VECREF	phasing
X-PLOR	phasing