Experiment: 3MBR

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.68	298	50mM imidazole, 0.8M sodium citrate, pH 8.68, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.71	54.63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 95.33	α = 90
b = 95.33	β = 90
c = 65.088	γ = 90

Symmetry
Space Group	I 4

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 315r	mirrors	2009-06-18	M	SINGLE WAVELENGTH
2	1		CCD	ADSC QUANTUM 315

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-5A	1.0	Photon Factory	BL-5A
2	SYNCHROTRON	NSRRC BEAMLINE BL13B1	1.0	NSRRC	BL13B1

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	1.44	30	99.9	0.034	0.034	55.1	6.3	52562	52509	3	3

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	1.44	1.49	100		0.454	0.454	3.2	4.4	5208

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 2FAW	1.44	29.31	49906	49776	2669	99.74	0.17625	0.17447	0.20871	RANDOM	32.138

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]
0.01			0.01		-0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.798
r_dihedral_angle_4_deg	19.002
r_dihedral_angle_3_deg	13.728
r_sphericity_free	8.931
r_scangle_it	7.385
r_dihedral_angle_1_deg	7.068
r_sphericity_bonded	7.019
r_scbond_it	5.185
r_mcangle_it	4.103
r_rigid_bond_restr	3.311

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.798
r_dihedral_angle_4_deg	19.002
r_dihedral_angle_3_deg	13.728
r_sphericity_free	8.931
r_scangle_it	7.385
r_dihedral_angle_1_deg	7.068
r_sphericity_bonded	7.019
r_scbond_it	5.185
r_mcangle_it	4.103
r_rigid_bond_restr	3.311
r_mcbond_it	2.863
r_angle_refined_deg	2.301
r_chiral_restr	0.184
r_bond_refined_d	0.027
r_gen_planes_refined	0.013

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1881
Nucleic Acid Atoms
Solvent Atoms	259
Heterogen Atoms	1

Software

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

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.