Experiment: 7KCN

Reconstructed ancestor of HIUases and Transthyretins

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		291.15	20-24% (w/v) PEG 1,500, 20-30% (v/v) glycerol

Crystal Properties
Matthews coefficient	Solvent content
2.44	49.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.03	α = 90
b = 67.03	β = 90
c = 116.89	γ = 90

Symmetry
Space Group	P 41 2 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		2018-10-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LNLS BEAMLINE W01B-MX2	1.459	LNLS	W01B-MX2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rrim 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	1.46	44.05	97.1	0.063	0.999	24.7	11.5		45814			18.72

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.46	1.55	82.8		0.353	0.933	3.8	5.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	SIRAS	FREE R-VALUE	1.46	30.1	1.35	45793	2202	97.66	0.1623	0.1613	0.1616	0.1817	0.1824	25.13

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	18.0337
f_angle_d	1.5237
f_chiral_restr	0.1209
f_bond_d	0.0155
f_plane_restr	0.0102

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1849
Nucleic Acid Atoms
Solvent Atoms	203
Heterogen Atoms	41

Software

Software
Software Name	Purpose
PHENIX	refinement
MxCuBE	data collection
XDS	data reduction
Coot	model building
PHENIX	phasing
XDS	data scaling