Experiment: 3O3B

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2GT9	PDB entry 2GT9

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	277	PEG3350 24%, MES 0.025M, KCl 0.1M, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.3	46.42

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.125	α = 90
b = 84.254	β = 89.95
c = 83.946	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	x-ray	100	IMAGE PLATE	MAR scanner 300 mm plate		2007-10-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-C	0.98	APS	14-BM-C

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	1.9	20	96.9	0.141	9.6	3.6	63694	61720	1	1	17.1

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)
	1.9	1.97	81.6		0.497		3.1	5184

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 2GT9	1.9	20	63789	61684	3116	96.7	0.1891	0.1891	0.1864	0.2381	RANDOM	20.078

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]
-0.69		0.38	1.68		-0.99

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.018
r_dihedral_angle_4_deg	18.67
r_dihedral_angle_3_deg	16.667
r_dihedral_angle_1_deg	7.052
r_scangle_it	4.202
r_scbond_it	2.698
r_angle_refined_deg	1.843
r_mcangle_it	1.581
r_mcbond_it	0.924
r_chiral_restr	0.13

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.018
r_dihedral_angle_4_deg	18.67
r_dihedral_angle_3_deg	16.667
r_dihedral_angle_1_deg	7.052
r_scangle_it	4.202
r_scbond_it	2.698
r_angle_refined_deg	1.843
r_mcangle_it	1.581
r_mcbond_it	0.924
r_chiral_restr	0.13
r_bond_refined_d	0.018
r_gen_planes_refined	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6316
Nucleic Acid Atoms
Solvent Atoms	599
Heterogen Atoms	60

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
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 R01GM157729.