Experiment: 3SRB

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	10-15% PEG4000, 50-100 mM rubidium chloride, 50 mM HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.02	59.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 120.961	α = 90
b = 166.746	β = 90
c = 93.856	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	113	CCD	MARMOSAIC 325 mm CCD		2010-07-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.97946	SSRL	BL11-1

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	35	99.6	0.039	21		95503	94858	-3	-3	20.249

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	1.9	100		0.187	4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3L91	1.8	35	-3	87481	83095	4386	99.62	0.18887	0.18887	0.18808	0.20338	RANDOM	20.552

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]
-0.33			0.82		-0.49

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.83
r_dihedral_angle_4_deg	15.356
r_dihedral_angle_3_deg	11.149
r_dihedral_angle_1_deg	5.27
r_scangle_it	2.344
r_scbond_it	1.348
r_angle_refined_deg	1.053
r_mcangle_it	0.892
r_mcbond_it	0.469
r_chiral_restr	0.073

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.83
r_dihedral_angle_4_deg	15.356
r_dihedral_angle_3_deg	11.149
r_dihedral_angle_1_deg	5.27
r_scangle_it	2.344
r_scbond_it	1.348
r_angle_refined_deg	1.053
r_mcangle_it	0.892
r_mcbond_it	0.469
r_chiral_restr	0.073
r_bond_refined_d	0.007
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5442
Nucleic Acid Atoms
Solvent Atoms	464
Heterogen Atoms	56

Software

Software
Software Name	Purpose
Blu-Ice	data collection
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	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.