Experiment: 5D97

NEUTRON DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	LIQUID DIFFUSION	5.8	293	20 mg/mL ribonuclease A, 0.05 M sodium acetate, 50% 2-propanol

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 30.34	α = 90
b = 38.369	β = 105.75
c = 53.188	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	neutron	293	IMAGE PLATE	MACSCIENCE	The BIX-3 neutron diffractometer at JRR-3M of JAEA	2010-08-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	NUCLEAR REACTOR	JRR-3M BEAMLINE 1G-A	2.9	JRR-3M	1G-A

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	1.8	30.7	72.5	0.154	5.6	2.3		7979

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	1.86	48.4		0.281	2.9	1.6

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	Mean Isotropic B
NEUTRON DIFFRACTION		FREE R-VALUE	1.8	30.7	7979	401	72.08	0.2204	0.2202	0.2223

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
f_dihedral_angle_d	16.486
f_angle_d	1
f_bond_d	0.089
f_chiral_restr	0.054
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	951
Nucleic Acid Atoms
Solvent Atoms	107
Heterogen Atoms	4

Software

Software
Software Name	Purpose
PHENIX	model building
DENZO	data processing
SCALEPACK	data reduction
CNS	phasing
PHENIX	refinement

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 R01GM157729.