2Q4W

Ensemble refinement of the protein crystal structure of cytokinin oxidase/dehydrogenase (CKX) from Arabidopsis thaliana At5g21482

X-RAY DIFFRACTION

Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.15	42.69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.858	α = 90
b = 114.502	β = 90
c = 190.92	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

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	Re-refinement using ensemble model	THROUGHOUT	PDB entry 2EXR	1.7	42.57	52916	2669	94.9	0.143	0.143	0.201	RANDOM	22.3

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]
-0.46			1.21		-0.75

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	23.5
c_scangle_it	2.85
c_scbond_it	2.14
c_angle_deg	2
c_mcangle_it	1.91
c_mcbond_it	1.41
c_improper_angle_d	1.28
c_bond_d	0.019

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3853
Nucleic Acid Atoms
Solvent Atoms	633
Heterogen Atoms	53

Software

Software
Software Name	Purpose
CNS	refinement
PDB_EXTRACT	data extraction
CNS	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.