3M0R

Crystal Structure of the R21D mutant of alpha-spectrin SH3 domain. Crystal obtained in ammonium sulphate at pH 6.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	298	0.8 M ammonium sulphate, 0.1 M Bis-Tris pH 6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.48	50.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 34.811	α = 90
b = 42.234	β = 90
c = 48.41	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	CCD ADSC_Q210		2009-04-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM16	1.033	ESRF	BM16

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.1	31.799	95.2	0.091	0.091	16.8	6.7	29563	28144			36.394

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.1	1.14	98.8		0.302	0.302	6.4	6.7	2867

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	PDB entry 1SHG	1.1	18.05	26605	28039	1434	95.01	0.16979	0.17	0.169	0.192	RANDOM	14.168

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]
0.11			-0.28		0.17

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	47.811
r_dihedral_angle_4_deg	44.053
r_sphericity_free	16.108
r_dihedral_angle_3_deg	9.622
r_scangle_it	8.326
r_sphericity_bonded	7.823
r_scbond_it	5.854
r_dihedral_angle_1_deg	5.391
r_mcangle_it	3.992
r_rigid_bond_restr	3.905

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	47.811
r_dihedral_angle_4_deg	44.053
r_sphericity_free	16.108
r_dihedral_angle_3_deg	9.622
r_scangle_it	8.326
r_sphericity_bonded	7.823
r_scbond_it	5.854
r_dihedral_angle_1_deg	5.391
r_mcangle_it	3.992
r_rigid_bond_restr	3.905
r_mcbond_it	2.977
r_angle_refined_deg	2.012
r_chiral_restr	0.183
r_bond_refined_d	0.022
r_gen_planes_refined	0.017

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	473
Nucleic Acid Atoms
Solvent Atoms	109
Heterogen Atoms	5

Software

Software
Software Name	Purpose
SCALA	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction

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.