2C0N

Crystal Structure of A197 from STIV

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5		HANGING DROP VAPOR DIFFUSION IN 0.1 M MES(PH 6.5), 1.4 M (NH4)2SO4, 10% 1,4-DIOXANE; THEN CRYOPROTECTED BY A QUICK SOAK IN MOTHER LIQUOR PLUS 25% GLUCOSE.

Crystal Properties
Matthews coefficient	Solvent content
2	37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.422	α = 90
b = 70.56	β = 90
c = 81.266	γ = 90

Symmetry
Space Group	I 2 2 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 CCD	MIRRORS	2005-04-15	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL1-5	0.978445, 0.879301	SSRL	BL1-5

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	1.86	30	95.5	0.05	18.2	8.6		15646		3

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	1.86	1.93	99.1		0.18	4.1	8.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	MAD	THROUGHOUT	1.86	28.26	14813	768	95.5	0.172	0.171	0.204	RANDOM	18.3

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]
-0.71			-0.01		0.72

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.075
r_dihedral_angle_4_deg	18.732
r_dihedral_angle_3_deg	14.414
r_dihedral_angle_1_deg	6.578
r_scangle_it	3.703
r_scbond_it	2.723
r_angle_refined_deg	1.545
r_mcangle_it	1.437
r_mcbond_it	1.423
r_angle_other_deg	0.786
r_symmetry_hbond_refined	0.302
r_mcbond_other	0.259
r_symmetry_vdw_refined	0.234
r_symmetry_vdw_other	0.234
r_nbd_refined	0.218
r_nbd_other	0.209
r_xyhbond_nbd_refined	0.205
r_nbtor_refined	0.188
r_chiral_restr	0.085
r_nbtor_other	0.085
r_symmetry_metal_ion_refined	0.058
r_bond_refined_d	0.015
r_gen_planes_refined	0.007
r_bond_other_d	0.005
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1595
Nucleic Acid Atoms
Solvent Atoms	105
Heterogen Atoms	18

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
SOLVE	phasing