7OW5

Crystal structure of a TCR in complex with HLA-A*11:01 bound to KRAS peptide (VVVGAGGVGK)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2HN7	2HN7, 6BJ2, 2F53
experimental model	PDB	6BJ2	2HN7, 6BJ2, 2F53
experimental model	PDB	2F53	2HN7, 6BJ2, 2F53

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	0.2 M Ammonium citrate tribasic pH 7.0, 20% w/v PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
3.36	63.35

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 145.552	α = 90
b = 145.552	β = 90
c = 120.599	γ = 90

Symmetry
Space Group	P 41 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS EIGER2 XE 16M		2020-12-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04	0.9795	Diamond	I04

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	2.58	65.09	100	0.151	0.153	0.03	0.999	14.7	26.7		41420

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.58	2.62	100		5.709	5.816	1.102	0.343	0.3	27.6

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	2HN7, 6BJ2, 2F53	2.58	65.09	39259	2127	99.99	0.2094	0.20595	0.27356	RANDOM	88.001

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]
-0.35			-0.35		0.71

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.807
r_dihedral_angle_3_deg	20.306
r_dihedral_angle_4_deg	18.843
r_dihedral_angle_1_deg	8.746
r_long_range_B_refined	6.445
r_long_range_B_other	6.445
r_scangle_other	4.484
r_mcangle_it	4.382
r_mcangle_other	4.381
r_scbond_it	3
r_scbond_other	2.783
r_mcbond_it	2.775
r_mcbond_other	2.773
r_angle_refined_deg	1.767
r_angle_other_deg	1.227
r_chiral_restr	0.069
r_bond_refined_d	0.009
r_gen_planes_refined	0.007
r_gen_planes_other	0.002
r_bond_other_d	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6592
Nucleic Acid Atoms
Solvent Atoms	17
Heterogen Atoms	15

Software

Software
Software Name	Purpose
REFMAC	refinement
DIALS	data reduction
DIALS	data scaling
PHASER	phasing