Experiment: 4F2Y

Structure of 3'-Fluoro Cyclohexenyl Nucleic Acid Decamer

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3EY2	PDB ENTRY 3EY2

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	291	40 mM sodium cacodylate, 20 mM cobalt hexamine, 40 mM lithium chloride, 20 mM magnesium chloride, 10% v/v MPD, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
1.84	33.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 24.775	α = 90
b = 38.299	β = 90
c = 47.746	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	100	CCD	MARMOSAIC 225 mm CCD		2012-04-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-F	0.9787	APS	21-ID-F

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	1.59	29.875	99.45	0.091	59.43	14.2	6450	6416		5

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	1.59	1.66	99.8		0.53	9.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	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)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3EY2	1.59	29.875	5	5930	486	99.6	0.18694	0.18193	0.1841	0.25331	0.2564	RANDOM	20.104

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]
-0.38			0.24		0.14

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	22.969
r_sphericity_bonded	11.461
r_rigid_bond_restr	3.22
r_angle_refined_deg	1.365
r_chiral_restr	0.077
r_gen_planes_refined	0.01
r_bond_refined_d	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	408
Solvent Atoms	52
Heterogen Atoms	2

Software

Software
Software Name	Purpose
MD2	data collection
CCP4	model building
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
CCP4	phasing