6TMO

Structure determination of an enhanced affinity TCR, a24b17, in complex with HLA-A*02:01 presenting a MART-1 peptide, EAAGIGILTV

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3HGI

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	291	0.1 M HEPES pH 7.5 0.2 M Ammonium Sulphate 15 % PEG 4000 8.7% Glycerol

Crystal Properties
Matthews coefficient	Solvent content
3.24	62.08

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 121.49	α = 90
b = 121.49	β = 90
c = 82.68	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	100	CCD	ADSC QUANTUM 315		2011-01-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02	0.9795	Diamond	I02

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	Rrim I (All)	Rpim I (All)	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	2.1	54.332	99.4	0.084	0.096	0.033	16	8.3		69920			33.3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rrim I (All)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.15	99		0.713	0.713	0.807	0.277	1	8.4

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	THROUGHOUT	3HGI	2.1	54.33	66386	3532	100	0.1744	0.1725	0.2088	RANDOM	40.285

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]
0.26			0.26		-0.53

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.007
r_dihedral_angle_4_deg	14.738
r_dihedral_angle_3_deg	10.974
r_dihedral_angle_1_deg	3.646
r_angle_refined_deg	1.556
r_angle_other_deg	0.746
r_chiral_restr	0.129
r_bond_refined_d	0.016
r_gen_planes_refined	0.005
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.007
r_dihedral_angle_4_deg	14.738
r_dihedral_angle_3_deg	10.974
r_dihedral_angle_1_deg	3.646
r_angle_refined_deg	1.556
r_angle_other_deg	0.746
r_chiral_restr	0.129
r_bond_refined_d	0.016
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6628
Nucleic Acid Atoms
Solvent Atoms	388
Heterogen Atoms	116

Software

Software
Software Name	Purpose
SCALA	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
xia2	data reduction
XDS	data reduction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.