Experiment: 4U6X

Crystal Structure of HLA-A*0201 in complex with ALQDA, a 15 mer self-peptide

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	EVAPORATION	7.5	277	18-22.5% PEG 3350, Hepes pH 7.5, 0.1M MgCl2

Crystal Properties
Matthews coefficient	Solvent content
2.27	45.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.043	α = 90
b = 79.063	β = 111.11
c = 54.903	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	ADSC QUANTUM 210		2013-10-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX1	0.9537	Australian Synchrotron	MX1

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	1.68	51.218	99.7	0.069	0.076	0.031	17.7	5.6	46457	46457			17.48

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.68	1.77	98.5		0.695	0.695	0.318	1.1	5.6	6685

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation 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-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	3GSO	1.68	39.532	1.35	46425	2346	99.7	0.1653	0.1634	0.2016	0.1876

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.097
f_angle_d	1.085
f_chiral_restr	0.082
f_bond_d	0.007
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3159
Nucleic Acid Atoms
Solvent Atoms	359
Heterogen Atoms	27

Software

Software
Software Name	Purpose
PHENIX	refinement
SCALA	data scaling
XDS	data scaling
PDB_EXTRACT	data extraction
PHASER	phasing