3D3Z

Crystal structure of Actibind a T2 RNase

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7	293	20% PEG 3350, 0.2 M ammonium dihydrogen phosphate solution at room temperature (293 K), pH 7.0, VAPOR DIFFUSION, pH 7.00

Crystal Properties
Matthews coefficient	Solvent content
3.31	62.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.279	α = 90
b = 78.279	β = 90
c = 103.968	γ = 120

Symmetry
Space Group	P 32 2 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		2007-05-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL7-1		SSRL	BL7-1

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	1.7	56.8	100	0.2	0.2	14.8	13.9		41379		1	22.9

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.7	1.79	100		0.83	0.7	0.7	9.6

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 1BOL	1.7	36.63	41383	37448	2001	96	0.191	0.189	0.231	RANDOM	19.64

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]
1.67	0.84		1.67		-2.51

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.606
r_dihedral_angle_4_deg	32.248
r_dihedral_angle_3_deg	12.414
r_dihedral_angle_1_deg	6.787
r_scangle_it	3.088
r_scbond_it	2.271
r_angle_refined_deg	1.647
r_mcangle_it	1.37
r_mcbond_it	1.102
r_angle_other_deg	0.998
r_symmetry_hbond_refined	0.349
r_mcbond_other	0.253
r_symmetry_vdw_refined	0.244
r_symmetry_vdw_other	0.228
r_nbd_refined	0.226
r_xyhbond_nbd_refined	0.214
r_nbd_other	0.191
r_nbtor_refined	0.187
r_nbtor_other	0.093
r_chiral_restr	0.09
r_bond_refined_d	0.017
r_gen_planes_refined	0.008
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1884
Nucleic Acid Atoms
Solvent Atoms	358
Heterogen Atoms	71

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing