3NWT

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	6.5	291	0.2 M potassium chloride, 0.1 M magnesium acetate tetrahydrate, 0.05 M sodium cacodylate trihydrate, pH 6.5, 10% w/v polyethylene glycol 8,000, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.31	46.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.99	α = 90
b = 70.2	β = 90
c = 53.53	γ = 90

Symmetry
Space Group	P 21 21 2

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		2008-08-10	M	SIRAS

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	2.7	20	96.5	0.059	14.5	4	6391	6168	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)
	2.7	2.85	98.1		0.416	2.5	4.1

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	SIRAS	THROUGHOUT	2.7	20	2	6391	6168	305	95.54	0.23071	0.2287	0.27185	RANDOM	94.215

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]
-1.39			1.3		0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.105
r_dihedral_angle_3_deg	19.494
r_dihedral_angle_4_deg	16.932
r_dihedral_angle_1_deg	6.547
r_angle_refined_deg	1.279
r_scangle_it	1.229
r_mcangle_it	0.879
r_scbond_it	0.76
r_mcbond_it	0.502
r_symmetry_hbond_refined	0.356

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.105
r_dihedral_angle_3_deg	19.494
r_dihedral_angle_4_deg	16.932
r_dihedral_angle_1_deg	6.547
r_angle_refined_deg	1.279
r_scangle_it	1.229
r_mcangle_it	0.879
r_scbond_it	0.76
r_mcbond_it	0.502
r_symmetry_hbond_refined	0.356
r_nbtor_refined	0.31
r_nbd_refined	0.265
r_symmetry_vdw_refined	0.195
r_xyhbond_nbd_refined	0.191
r_chiral_restr	0.084
r_bond_refined_d	0.009
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1552
Nucleic Acid Atoms
Solvent Atoms	43
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
SOLVE	phasing
ELVES	refinement
MOSFLM	data reduction
SCALA	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.