7Q99

MHC Class I A02 Allele presenting NLSALGIFST, in complex with Mel5 TCR

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293	0.1M HEPES, 25% PEG 4000, 15% Glycerol, pH 7.5

Crystal Properties
Matthews coefficient	Solvent content
3.18	61.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 121.28	α = 90
b = 121.28	β = 90
c = 81.314	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	PIXEL	DECTRIS EIGER2 X 16M		2020-03-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04	0.97951	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	2.55	60.65	100	0.197	0.211	0.075	0.995	7.2	7.8		70731			53.5

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	2.55	2.59	100		3.86	4.15	1.52	0.221	0.4	7.4

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	3HG1	2.55	60.64	36363	1905	99.01	0.2209	0.2183	0.2722	RANDOM	72.408

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]
-1.07			-1.07		2.13

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.177
r_dihedral_angle_4_deg	18.952
r_dihedral_angle_3_deg	17.616
r_dihedral_angle_1_deg	9.241
r_angle_refined_deg	1.454
r_angle_other_deg	1.168
r_chiral_restr	0.057
r_bond_refined_d	0.01
r_gen_planes_refined	0.009
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6619
Nucleic Acid Atoms
Solvent Atoms	37
Heterogen Atoms	8

Software

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