4XHQ

Re-refinement the crystal structure of Dscam1 isoform 1.34, N-terminal four Ig domains

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				1.5 M AMMONIUM SULPHATE, 0.1 M HEPES PH 7.5

Crystal Properties
Matthews coefficient	Solvent content
4.7	73.84

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 99.172	α = 90
b = 99.172	β = 90
c = 163.991	γ = 90

Symmetry
Space Group	P 42 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

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	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		FREE R-VALUE	1.948	19.834	1.34	59545	3003	98.58	0.2047	0.2031	0.2332

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	13.787
f_angle_d	1.66
f_chiral_restr	0.094
f_bond_d	0.018
f_plane_restr	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3014
Nucleic Acid Atoms
Solvent Atoms	383
Heterogen Atoms	136

Software

Software
Software Name	Purpose
PHENIX	refinement
DENZO	data reduction
SCALEPACK	data scaling
PHASER	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.