7SB6

Crystal Structure of Ancestral Mammalian Cadherin-23 EC1-2

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	277	3.5 M Ammonium chloride 0.1 M MES pH 6.5

Crystal Properties
Matthews coefficient	Solvent content
4.6	73.26

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 118.446	α = 90
b = 168.834	β = 90
c = 125.276	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	100	CCD	ADSC QUANTUM 315		2016-07-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-E	0.97920	APS	24-ID-E

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.588	50	99.9	0.091	18.1	6.1		39416

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.588	2.63	99.5		1.022	1.75	5.8

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	FREE R-VALUE	2WHV	2.588	48.529	39346	1913	99.643	0.206	0.204	0.2461	58.957

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]
-4.191			0.706		3.485

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.797
r_dihedral_angle_4_deg	19.426
r_dihedral_angle_3_deg	15.94
r_dihedral_angle_1_deg	7.968
r_lrange_it	5.489
r_lrange_other	5.489
r_scangle_it	3.205
r_scangle_other	3.204
r_mcangle_it	2.705
r_mcangle_other	2.704
r_scbond_it	1.962
r_scbond_other	1.962
r_mcbond_it	1.698
r_mcbond_other	1.698
r_angle_refined_deg	1.554
r_angle_other_deg	1.222
r_nbd_other	0.233
r_nbd_refined	0.226
r_symmetry_nbd_refined	0.18
r_symmetry_nbd_other	0.175
r_nbtor_refined	0.165
r_xyhbond_nbd_refined	0.153
r_metal_ion_refined	0.14
r_symmetry_xyhbond_nbd_refined	0.123
r_symmetry_nbtor_other	0.073
r_chiral_restr	0.063
r_bond_refined_d	0.008
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	4776
Nucleic Acid Atoms
Solvent Atoms	87
Heterogen Atoms	35

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing