3NWS

Crystal structure of the N-terminal domain of the yeast telomere-binding and telomerase regulatory protein Cdc13

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	291	10% PEG 3,350K, 0.01 M magnesium chloride hexahydrate and 50 mM Hepes (pH 7.0), VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.51	50.91

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.964	α = 116.22
b = 66.866	β = 90.29
c = 68.138	γ = 94.72

Symmetry
Space Group	P 1

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	ADSC QUANTUM 210		2009-06-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X6A	0.978	NSLS	X6A

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	2.5	20	93.1	0.057	13.8	1.9	31832	29636	2	2

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)
	2.5	2.54	94.2		0.396	2	1.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	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	MOLECULAR REPLACEMENT	THROUGHOUT	2.5	20	2	31832	29636	1574	92.94	0.25244	0.24522	0.28788	RANDOM	62.163

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]
-2.47	-0.91	-1.06	4.46	2.41	-0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.83
r_dihedral_angle_3_deg	20.997
r_dihedral_angle_4_deg	16.858
r_dihedral_angle_1_deg	7.225
r_angle_refined_deg	1.295
r_nbtor_refined	0.317
r_symmetry_vdw_refined	0.299
r_nbd_refined	0.253
r_xyhbond_nbd_refined	0.178
r_chiral_restr	0.092

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.83
r_dihedral_angle_3_deg	20.997
r_dihedral_angle_4_deg	16.858
r_dihedral_angle_1_deg	7.225
r_angle_refined_deg	1.295
r_nbtor_refined	0.317
r_symmetry_vdw_refined	0.299
r_nbd_refined	0.253
r_xyhbond_nbd_refined	0.178
r_chiral_restr	0.092
r_symmetry_hbond_refined	0.073
r_bond_refined_d	0.014
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6380
Nucleic Acid Atoms
Solvent Atoms	26
Heterogen Atoms

Software

Software
Software Name	Purpose
HKL-2000	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

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.