Experiment: 4AH6

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1C0A	HOMOLOGY MODEL BASED ON PDB ENTRY 1C0A

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5		SITTING DROPLETS WERE PREPARED BY MIXING 0.5 UL HSADRS2 AT 10.6 MG/ML (IN 50 MM HEPES-NA PH 7.5, 150 MM NACL, 0.1 MM EDTA, 10% (V/V) GLYCEROL AND 1 MM DTT) WITH 0.5 UL BOTTOM PHASE OF A BIPHASIC MIXTURE OF 50 MM BIS-TRIS PH 5.5, 20% (M/V) PEG-3350 AND 1 M AMMONIUM SULFATE AND EQUILIBRATED BY VAPOR DIFFUSION OVER 50 UL OF THE LATTER SOLUTION.

Crystal Properties
Matthews coefficient	Solvent content
3.25	62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 142.4	α = 90
b = 82.6	β = 100.4
c = 146.3	γ = 90

Symmetry
Space Group	P 1 2 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	PIXEL	DECTRIS PILATUS 6M		2010-08-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA		SLS	X10SA

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	3.7	89	98.8	0.18	9.4	7.2		35768		-3	88.02

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	3.7	3.8	91.2		0.64	2.1	4

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	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	HOMOLOGY MODEL BASED ON PDB ENTRY 1C0A	3.7	29.916	2	35680	1780	98.82	0.2222	0.2191	0.2801	108.2

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	15.145
f_angle_d	1.084
f_chiral_restr	0.08
f_bond_d	0.005
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	18840
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

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

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.