2HDV

Crystal structure of the Src Homology-2 domain of the adapter protein SH2-B

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	295	30% (w/v) PEG 4000, 0.1 M Tris HCl 605 0.2 M MgCl2, VAPOR DIFFUSION, HANGING DROP, temperature 295K, pH 8.50

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.77

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.05	α = 90
b = 57.87	β = 90
c = 99.47	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	200	CCD	ADSC QUANTUM 4		2005-04-09	M	SINGLE WAVELENGTH

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	50	99.2	0.044	27.3	3.9		14330		1

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	2.07	97.6		0.13	10.2	3.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	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	MOLECULAR REPLACEMENT	1RPY	2	30	14662	14185	715		0.21	0.21	0.24	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]
-3.748			6.27		-2.522

RMS Deviations
Key	Refinement Restraint Deviation
c_scangle_it	1.483
c_mcangle_it	1.29
c_angle_deg	1.2
c_scbond_it	0.958
c_mcbond_it	0.756
c_dihedral_angle_d	0.7
c_improper_angle_d	0.7
c_bond_d	0.005
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_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	1584
Nucleic Acid Atoms
Solvent Atoms	131
Heterogen Atoms

Software

Software
Software Name	Purpose
AMoRE	phasing
CNS	refinement