Experiment: 3QIW

Crystal structure of the 226 TCR in complex with MCC-p5E/I-Ek

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3QIU	pdb entry 3QIU

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5	295	15-20% PEG5000 MME, Bis tris, VAPOR DIFFUSION, temperature 295K, pH 6.5

Crystal Properties
Matthews coefficient	Solvent content
2.81	56.24

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.179	α = 90
b = 71.624	β = 90.27
c = 105.659	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	MARMOSAIC 325 mm CCD		2010-03-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2		SSRL	BL9-2

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	3.3	45	98.4	0.102	7.9	3.2		16259

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	3.3	3.36	99.4		0.345		3.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	pdb entry 3QIU	3.3	36.69	1.36	16244	835	98.3	0.215	0.212	0.2124	0.267	0.2673	62.75

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]
27.419		0.991	-7.6606		-22.1096

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.659
f_angle_d	0.757
f_chiral_restr	0.046
f_bond_d	0.008
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6230
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	28

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction