2Q4U

Ensemble refinement of the crystal structure of an EF-hand protein from Danio rerio Dr.36843

X-RAY DIFFRACTION

Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.3	46.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.884	α = 90
b = 52.748	β = 90
c = 114.364	γ = 90

Symmetry
Space Group	P 21 21 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 2BE4	2.1	44.17	17332	885	98.7	0.154	0.154	0.242	RANDOM	33.5

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]
4.53			-4		-0.53

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	20.6
c_scangle_it	2.81
c_mcangle_it	2.26
c_scbond_it	2.08
c_mcbond_it	1.52
c_angle_deg	1.4
c_improper_angle_d	0.93
c_bond_d	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2203
Nucleic Acid Atoms
Solvent Atoms	240
Heterogen Atoms

Software

Software
Software Name	Purpose
CNS	refinement
PDB_EXTRACT	data extraction
CNS	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.