5FBK

Crystal structure of the extracellular domain of human calcium sensing receptor

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	294	10% PEG 8000, 200 mM MgCl2, 10 mM CaCl2 and 100 mM Tris-HCl

Crystal Properties
Matthews coefficient	Solvent content
2.51	51.02

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 170.872	α = 90
b = 82.916	β = 105.1
c = 94.256	γ = 90

Symmetry
Space Group	C 1 2 1

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	MARMOSAIC 300 mm CCD		2015-06-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-D	0.9785	APS	21-ID-D

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	2.1	40	100	0.072	0.076	0.043	9	3.8		74547

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.18	100		0.913	0.541	0.631		3.8	7381

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		THROUGHOUT	2.1	37.77	72544	2000	99.78	0.191	0.1901	0.2227	RANDOM	44.987

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]
0.03		-1.7	1.45		-0.49

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.525
r_dihedral_angle_4_deg	20.173
r_dihedral_angle_3_deg	16.497
r_dihedral_angle_1_deg	5.807
r_mcangle_it	4.109
r_mcbond_it	2.666
r_mcbond_other	2.666
r_angle_refined_deg	1.379
r_angle_other_deg	0.981
r_chiral_restr	0.079

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.525
r_dihedral_angle_4_deg	20.173
r_dihedral_angle_3_deg	16.497
r_dihedral_angle_1_deg	5.807
r_mcangle_it	4.109
r_mcbond_it	2.666
r_mcbond_other	2.666
r_angle_refined_deg	1.379
r_angle_other_deg	0.981
r_chiral_restr	0.079
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_bond_other_d	0.004
r_gen_planes_other	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7417
Nucleic Acid Atoms
Solvent Atoms	323
Heterogen Atoms	161

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALEPACK	data scaling
PDB_EXTRACT	data extraction
HKL-2000	data reduction
PHENIX	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.