6B27

Crystal structure of human STAC2 Tandem SH3 Domains (296-411) in complex with a CaV1.1 II-III loop peptide

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	5.5	277.15	2.24M ammonium sulfate, 0.1M sodium acetate

Crystal Properties
Matthews coefficient	Solvent content
2.25	45.35

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.92	α = 90
b = 114.65	β = 90
c = 144.678	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	PIXEL	DECTRIS PILATUS3 6M		2016-05-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.97946	SSRL	BL9-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	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	1.73	35	99.1	0.058	0.068	0.035	7.8	3.6		83341

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.73	1.78	99.6		0.493	0.577	0.294	0.766		3.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	THROUGHOUT	1.73	35	79187	4075	99.11	0.1804	0.1786	0.2163	RANDOM	24.436

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]
0.86			-0.92		0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.998
r_dihedral_angle_4_deg	18.694
r_dihedral_angle_3_deg	13.237
r_dihedral_angle_1_deg	6.009
r_angle_refined_deg	1.935
r_angle_other_deg	1.045
r_chiral_restr	0.119
r_bond_refined_d	0.021
r_gen_planes_refined	0.011
r_bond_other_d	0.002

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.998
r_dihedral_angle_4_deg	18.694
r_dihedral_angle_3_deg	13.237
r_dihedral_angle_1_deg	6.009
r_angle_refined_deg	1.935
r_angle_other_deg	1.045
r_chiral_restr	0.119
r_bond_refined_d	0.021
r_gen_planes_refined	0.011
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5797
Nucleic Acid Atoms
Solvent Atoms	620
Heterogen Atoms	42

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
SCALEPACK	data scaling
PDB_EXTRACT	data extraction
DENZO	data reduction
REFMAC	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 R01GM157729.