Experiment: 2GBB

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.2	298	Well solution: 1.5-1.6 M ammonium sulfate, 0.1 M citrate/phosphate buffer pH 4.2. Protein solution: 5 mg/ml in 0.025 M Tris ph 7.5, 0.0005 M EDTA, 0.0005 M DTT, 0.1 M sodium chloride. Drops: 1:1 well:protein., VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.64	53.37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 89.01	α = 90
b = 144.09	β = 90
c = 116.63	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	100	CCD	ADSC QUANTUM 315		2005-11-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A	0.979	NSLS	X29A

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	2.1	50	99.4	0.113	8.2	13		43510

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)
	2.1	2.18		95.3	0.469		8

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 (All)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.1	20	42698	2177	97.48	0.21	0.207	0.258	RANDOM	35.383

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]
1.21			-0.13		-1.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.061
r_dihedral_angle_4_deg	22.026
r_dihedral_angle_3_deg	18.479
r_dihedral_angle_1_deg	6.973
r_scangle_it	4.478
r_scbond_it	3.065
r_mcangle_it	1.986
r_angle_refined_deg	1.857
r_mcbond_it	1.25
r_nbtor_refined	0.303

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.061
r_dihedral_angle_4_deg	22.026
r_dihedral_angle_3_deg	18.479
r_dihedral_angle_1_deg	6.973
r_scangle_it	4.478
r_scbond_it	3.065
r_mcangle_it	1.986
r_angle_refined_deg	1.857
r_mcbond_it	1.25
r_nbtor_refined	0.303
r_symmetry_vdw_refined	0.256
r_nbd_refined	0.221
r_symmetry_hbond_refined	0.199
r_xyhbond_nbd_refined	0.198
r_chiral_restr	0.176
r_bond_refined_d	0.019
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4923
Nucleic Acid Atoms
Solvent Atoms	193
Heterogen Atoms	117

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing
RESOLVE	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.