3V1W

Molecular Basis for Multiple Ligand Binding of Calsequestrin and Potential Inhibition by Caffeine and Gallocatecin

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.79	55.92

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.082	α = 90
b = 144.592	β = 90
c = 110.965	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray						M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	1.000	ALS	8.2.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.908	44.0149					36850

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB entry 3TRQ	1.908	38.95	0.16	36846	1981	98.56	0.1736	0.1709	0.2216

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]
-3.9985			1.3285		2.67

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	16.311
f_angle_d	1.122
f_chiral_restr	0.082
f_bond_d	0.014
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2841
Nucleic Acid Atoms
Solvent Atoms	514
Heterogen Atoms	58

Software

Software
Software Name	Purpose
PHENIX	refinement