3PDO

Crystal Structure of HLA-DR1 with CLIP102-120

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		298	PEG 3350, NaCitrate, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.31	46.73

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.45	α = 90
b = 97.627	β = 90
c = 99.052	γ = 90

Symmetry
Space Group	P 21 21 21

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	RAYONIX MX-225		2010-01-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1	0.91841	BESSY	14.1

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	1.95	35	99.6	0.071	16.62		32933	32810		-3	30.201

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)
	1.95	2	99.3		0.546	3.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.95	33.26	32809	32809	1641	100	0.1937	0.1937	0.1912	0.24	RANDOM	28.2864

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]
3.24			-1.73		-1.51

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.788
r_dihedral_angle_4_deg	17.403
r_dihedral_angle_3_deg	15.397
r_dihedral_angle_1_deg	6.545
r_scangle_it	5.019
r_scbond_it	3.271
r_mcangle_it	2.236
r_angle_refined_deg	1.536
r_mcbond_it	1.333
r_chiral_restr	0.107
r_bond_refined_d	0.016
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3200
Nucleic Acid Atoms
Solvent Atoms	320
Heterogen Atoms	15

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MxCuBE	data collection