1RPY

CRYSTAL STRUCTURE OF THE DIMERIC SH2 DOMAIN OF APS

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		Ammonium sulfate/tris, pH 7.5, pH 7.50

Crystal Properties
Matthews coefficient	Solvent content
2.31	51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.378	α = 90
b = 78.378	β = 90
c = 67.33	γ = 120

Symmetry
Space Group	P 31 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	90				2002-07-18	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A		NSLS	X4A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	2.3	30	96.2	0.05	19.8	7.2		10560

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.3	2.38	96.6		0.199

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.3	30	10934	10288	542	94.1	0.228	0.228	0.27	RANDOM

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]
-5.4	-2.4		-5.4		10.8

RMS Deviations
Key	Refinement Restraint Deviation
c_scangle_it	2.7
c_mcangle_it	2.1
c_scbond_it	1.7
c_angle_deg	1.3
c_mcbond_it	1.2
c_improper_angle_d	0.7
c_bond_d	0.006
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1360
Nucleic Acid Atoms
Solvent Atoms	30
Heterogen Atoms	10

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing
RESOLVE	model building
CNS	refinement
RESOLVE	phasing