2HJH

Crystal Structure of the Sir2 deacetylase

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	298	10% PEG 6000, 100mM TRIS pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.69	54.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.353	α = 90
b = 89.566	β = 104.95
c = 94.51	γ = 90

Symmetry
Space Group	P 1 21 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 315		2005-08-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.9787	APS	19-ID

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	1.85	50	98.8	0.049	12.6	4.2	139309	71108

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	1.85	1.92	90.1		0.432		3.2	12698

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.85	30	69079	69079	3497	100	0.173	0.171	0.215	RANDOM	28.546

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]
-0.62		0.85	-1.37		2.43

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	7.037
r_scangle_it	5.027
r_scbond_it	3.784
r_mcangle_it	2.161
r_angle_refined_deg	2.124
r_mcbond_it	1.316
r_angle_other_deg	1.113
r_symmetry_vdw_other	0.3
r_nbd_other	0.251
r_nbd_refined	0.232
r_symmetry_hbond_refined	0.21
r_symmetry_vdw_refined	0.192
r_xyhbond_nbd_refined	0.18
r_chiral_restr	0.144
r_nbtor_other	0.1
r_bond_refined_d	0.028
r_gen_planes_refined	0.013
r_gen_planes_other	0.013
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5129
Nucleic Acid Atoms
Solvent Atoms	517
Heterogen Atoms	96

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing
RESOLVE	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction