2H4F

Sir2-p53 peptide-NAD+

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1YC5	PDB Entry: 1yc5

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	9.6	293	CHES, PEG3350, NAD, pH 9.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.44	49.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.821	α = 90
b = 59.331	β = 90
c = 106.66	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	77.36	CCD	ADSC QUANTUM 315		2005-07-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	1.0	APS	24-ID-C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	50	98.7				20048	1	2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	PDB Entry: 1yc5	2	50	2	20000	18976	1024	98.35	0.19406	0.19226	0.22823	RANDOM	30.415

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]
0.99			0.36		-1.36

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.348
r_dihedral_angle_4_deg	28.224
r_dihedral_angle_3_deg	15.097
r_dihedral_angle_1_deg	7.858
r_scangle_it	4.953
r_scbond_it	3.067
r_mcangle_it	2.04
r_angle_refined_deg	1.78
r_mcbond_it	1.249
r_nbtor_refined	0.306
r_nbd_refined	0.239
r_symmetry_vdw_refined	0.231
r_symmetry_hbond_refined	0.192
r_xyhbond_nbd_refined	0.152
r_chiral_restr	0.144
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1933
Nucleic Acid Atoms
Solvent Atoms	70
Heterogen Atoms	45

Software

Software
Software Name	Purpose
REFMAC	refinement
Blu-Ice	data collection
HKL-2000	data scaling
CNS	phasing