6ZSN

Crystal structure of rsGCaMP double mutant Ile80His/Val116Ile in the OFF state (illuminated)

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	292	0.20 M sodium formate, 0.1 M Bis-Tris-Propane buffer pH 8.5, 19% (w/v) PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
3.6	65.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 118.97	α = 90
b = 118.97	β = 90
c = 96.23	γ = 90

Symmetry
Space Group	P 41 21 2

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 2M-F		2020-06-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06DA	1.000	SLS	X06DA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	2.6	50	100	0.998	11.8	13		21798			63

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.6	2.67	100		0.616	1.6	12.5

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	6ya9	2.6	46.61	20706	1092	99.91	0.1947	0.1914	0.259	RANDOM	59.2

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]
1.65			1.65		-3.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.251
r_dihedral_angle_4_deg	19.938
r_dihedral_angle_3_deg	18.777
r_dihedral_angle_1_deg	7.476
r_angle_refined_deg	1.641
r_angle_other_deg	1.244
r_chiral_restr	0.062
r_bond_refined_d	0.007
r_gen_planes_refined	0.006
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.251
r_dihedral_angle_4_deg	19.938
r_dihedral_angle_3_deg	18.777
r_dihedral_angle_1_deg	7.476
r_angle_refined_deg	1.641
r_angle_other_deg	1.244
r_chiral_restr	0.062
r_bond_refined_d	0.007
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3169
Nucleic Acid Atoms
Solvent Atoms	108
Heterogen Atoms	23

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
SCALA	data scaling
MOLREP	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 R01GM133198.