Experiment: 4AH2

HLA-DR1 with covalently linked CLIP106-120 in canonical orientation

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7		0.2 M LICL, 20% (W/V) PEG6000, 0.1 M HEPES, PH 7.0

Crystal Properties
Matthews coefficient	Solvent content
2.7	54.44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.644	α = 90
b = 65.616	β = 90
c = 131.331	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	MARRESEARCH MX-225	MIRRORS	2011-01-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1		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	2.36	32.84	99.9	0.13	10.7	4.8		21133		-3	27.9

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	2.36	2.42	99.9		0.7	2.4	4.9

Refinement

Statistics
Diffraction ID	Structure Solution 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-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 3PDO	2.36	32.833	1.99	21132	1057	99.9	0.1939	0.1914	0.1857	0.2402	0.2349	29.8

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]
-6.9457			-4.6013		11.547

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	15.999
f_angle_d	1.019
f_chiral_restr	0.071
f_bond_d	0.008
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3057
Nucleic Acid Atoms
Solvent Atoms	220
Heterogen Atoms	24

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing