6XXF

1.7 Angstrom crystal structure of Ca/CaM:RyR2 peptide complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		293	0.1M sodium acetate pH4.5, 0.2M ammonium acetate, 10% PEG4000

Crystal Properties
Matthews coefficient	Solvent content
1.85	33.47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.916	α = 90
b = 41.71	β = 90
c = 85.986	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 PILATUS 6M		2018-04-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SOLEIL BEAMLINE PROXIMA 1	0.97857	SOLEIL	PROXIMA 1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	1.7	41.71	100	0.092	0.111	0.061	0.991	12.5	5.9		16464

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	1.7	1.74	99.9		0.544	0.664	0.375	0.87	6.2	5.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2BCX	1.7	37.556	16416	795	99.903	0.181	0.1799	0.2052	21.033

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]
0.639			-0.581		-0.058

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.987
r_dihedral_angle_4_deg	17.576
r_dihedral_angle_3_deg	13.224
r_lrange_it	5.783
r_lrange_other	5.781
r_dihedral_angle_1_deg	5.57
r_scangle_it	4.61
r_scangle_other	4.605
r_scbond_it	3.044
r_scbond_other	3.039
r_mcangle_other	2.708
r_mcangle_it	2.707
r_angle_other_deg	2.391
r_mcbond_it	1.98
r_mcbond_other	1.978
r_angle_refined_deg	1.805
r_symmetry_nbd_refined	0.282
r_nbd_other	0.241
r_nbd_refined	0.235
r_symmetry_nbd_other	0.21
r_symmetry_xyhbond_nbd_refined	0.197
r_nbtor_refined	0.169
r_xyhbond_nbd_refined	0.153
r_metal_ion_refined	0.104
r_chiral_restr	0.1
r_symmetry_nbtor_other	0.063
r_bond_other_d	0.036
r_gen_planes_other	0.017
r_bond_refined_d	0.013
r_gen_planes_refined	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1312
Nucleic Acid Atoms
Solvent Atoms	140
Heterogen Atoms	4

Software

Software
Software Name	Purpose
REFMAC	refinement
DIALS	data reduction
Aimless	data scaling
MOLREP	phasing