1U1L

Crystal Structure of UP1 Complexed With d(TTAGGGTT PRN GGG); A Human Telomeric Repeat Containing nebularine

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2UP1	PDB ENTRY 2UP1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.1	283	ammonium phosphate, glycerol, Tris, sodium chloride, MES, EDTA, beta-mercaptoethanol , pH 8.1, VAPOR DIFFUSION, HANGING DROP, temperature 283.0K

Crystal Properties
Matthews coefficient	Solvent content
2.266	44.71

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.853	α = 90
b = 50.853	β = 90
c = 172.962	γ = 90

Symmetry
Space Group	P 43 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	103	CCD	RIGAKU JUPITER	osmic mirrors	2001-10-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH3R	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	20	91.2	0.062	0.062	9.9	2.91	16172	14752			25.7

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)
	2	2.07	87.1		0.47	1.7	2.36	1222

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	PDB ENTRY 2UP1	2	19.9	16172	14752	734	91.2	0.233	0.233	0.274	RANDOM	29.9

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]
5.96			5.96		-11.92

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	23.9
c_scangle_it	2.92
c_mcangle_it	2.17
c_scbond_it	1.99
c_mcbond_it	1.37
c_improper_angle_d	1.27
c_angle_deg	1.1
c_bond_d	0.006
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1466
Nucleic Acid Atoms	230
Solvent Atoms	118
Heterogen Atoms

Software

Software
Software Name	Purpose
CNS	refinement
CrystalClear	data reduction
d*TREK	data scaling
CNS	phasing