Experiment: 3IBB

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	sitting drop vapor diffusion	7	298	Bis-Tris,(NH4)SO4, PEG 3350, pH 7.0, sitting drop vapor diffusion, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.66	53.76

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 87.06	α = 90
b = 183.328	β = 90
c = 228.706	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	100	CCD	ADSC QUANTUM 315r	Si	2005-02-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2	0.99	ALS	5.0.2

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	3.5	50		11.2	5.7		46071

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	3.5

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	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3.5	50	46011	2294	94.4	0.194	0.19	0.269	RANDOM	2.033

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]
3.05			-1.6		-1.44

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.092
r_dihedral_angle_4_deg	23.432
r_dihedral_angle_3_deg	23.089
r_dihedral_angle_1_deg	8.636
r_angle_refined_deg	3.95
r_symmetry_hbond_refined	0.418
r_nbtor_refined	0.38
r_symmetry_vdw_refined	0.378
r_nbd_refined	0.34
r_xyhbond_nbd_refined	0.267

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.092
r_dihedral_angle_4_deg	23.432
r_dihedral_angle_3_deg	23.089
r_dihedral_angle_1_deg	8.636
r_angle_refined_deg	3.95
r_symmetry_hbond_refined	0.418
r_nbtor_refined	0.38
r_symmetry_vdw_refined	0.378
r_nbd_refined	0.34
r_xyhbond_nbd_refined	0.267
r_chiral_restr	0.215
r_mcangle_it	0.183
r_scangle_it	0.176
r_mcbond_it	0.121
r_scbond_it	0.112
r_bond_refined_d	0.059
r_gen_planes_refined	0.014

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	23700
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
CNS	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
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 R01GM157729.