Experiment: 3FT6

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1Z3F	PDB Entry 1Z3F (DNA only)

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	293	HEPES, Cobalt Hexamine, MPD, PEG1000, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 293.0K

Crystal Properties
Matthews coefficient	Solvent content
1.88	34.71

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 24.563	α = 90
b = 24.563	β = 90
c = 78.276	γ = 120

Symmetry
Space Group	P 65

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		CCD	ADSC QUANTUM 315		2007-08-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25	1.0000	NSLS	X25

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.1	21.27	93.4	0.052	44.8	9.1	10189	10189

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.1	1.14	52.4		0.334	1.75	3.5	569

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 (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 1Z3F (DNA only)	1.12	20.53	8808	1096	96.57	0.18811	0.18433	0.19	0.21929	0.23	RANDOM	15.446

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
r_sphericity_bonded	5.27
r_scangle_it	2.782
r_scbond_it	2.325
r_rigid_bond_restr	1.926
r_angle_refined_deg	1.732
r_nbtor_refined	0.326
r_symmetry_vdw_refined	0.165
r_nbd_refined	0.132
r_xyhbond_nbd_refined	0.123
r_symmetry_hbond_refined	0.118

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_bonded	5.27
r_scangle_it	2.782
r_scbond_it	2.325
r_rigid_bond_restr	1.926
r_angle_refined_deg	1.732
r_nbtor_refined	0.326
r_symmetry_vdw_refined	0.165
r_nbd_refined	0.132
r_xyhbond_nbd_refined	0.123
r_symmetry_hbond_refined	0.118
r_chiral_restr	0.091
r_gen_planes_refined	0.022
r_bond_refined_d	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	240
Solvent Atoms	37
Heterogen Atoms	53

Software

Software
Software Name	Purpose
REFMAC	refinement
CNS	refinement
CBASS	data collection
HKL-2000	data reduction
HKL-2000	data scaling
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 R01GM157729.