4GHO

Crystal Structure Analysis of Streptomyces aureofaciens Ribonuclease S24A mutant

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.2	298	0.7M ammonium sulfate, phosphate buffer, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 298, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
2.33	47.24

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 38.918	α = 90
b = 64.693	β = 90
c = 78.281	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	298	IMAGE PLATE	MAR scanner 345 mm plate	mirrors	1998-06-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE BW7B	0.834	EMBL/DESY, HAMBURG	BW7B

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	1.1	20	98.2			99693	80959

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.1	1.11	96.7		3.3		2619

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	1RGG	1.1	14.52	99693	80959	3991	98.24	0.09793	0.09694	0.11701	RANDOM	14.53

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]
-0.02			-0.01		0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	36.12
r_dihedral_angle_2_deg	29.773
r_dihedral_angle_4_deg	23.021
r_sphericity_bonded	12.557
r_dihedral_angle_3_deg	11.622
r_rigid_bond_restr	7.7
r_dihedral_angle_1_deg	6.354
r_angle_refined_deg	2.14
r_angle_other_deg	1.659
r_chiral_restr	0.362

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	36.12
r_dihedral_angle_2_deg	29.773
r_dihedral_angle_4_deg	23.021
r_sphericity_bonded	12.557
r_dihedral_angle_3_deg	11.622
r_rigid_bond_restr	7.7
r_dihedral_angle_1_deg	6.354
r_angle_refined_deg	2.14
r_angle_other_deg	1.659
r_chiral_restr	0.362
o_bond_d	0.028
r_gen_planes_refined	0.011
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1482
Nucleic Acid Atoms
Solvent Atoms	341
Heterogen Atoms	5

Software

Software
Software Name	Purpose
HKL-2000	data collection
AMoRE	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.