2H2I

The Structural basis of Sirtuin Substrate Affinity

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		298	0.5M (NH4)2SO4, 4% PPG, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
3.56	65.47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 133.107	α = 90
b = 133.107	β = 90
c = 133.107	γ = 90

Symmetry
Space Group	P 4 3 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	298	CCD			2003-12-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A	1.0	NSLS	X4A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.94	50	99.9	0.078		18		37913	3	2

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)
1	1.8	1.85	100		0.37	10

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB Entry: 1ICI	1.8	129.1	3	35987	1889	99.76	0.03	0.18767	0.18633	0.21253	RANDOM	24.136

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_dihedral_angle_1_deg	5.897
r_scangle_it	5.302
r_scbond_it	3.277
r_mcangle_it	1.992
r_angle_refined_deg	1.753
r_mcbond_it	1.09
r_angle_other_deg	0.91
r_symmetry_vdw_other	0.35
r_symmetry_hbond_refined	0.255
r_nbd_other	0.245
r_xyhbond_nbd_refined	0.23
r_nbd_refined	0.218
r_symmetry_vdw_refined	0.109
r_chiral_restr	0.107
r_nbtor_other	0.087
r_bond_refined_d	0.02
r_gen_planes_refined	0.007
r_gen_planes_other	0.003
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1921
Nucleic Acid Atoms
Solvent Atoms	208
Heterogen Atoms	30

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
SCALEPACK	data scaling
CNS	phasing