Experiment: 1SQ6

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	PEG3350, ammonium sulfate, MOPS, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.1	41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 95.087	α = 90
b = 95.087	β = 90
c = 134.786	γ = 120

Symmetry
Space Group	H 3 2

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 4	Double crystal Si(111) 50 micron collimator	2003-12-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	0.9795	ALS	8.2.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.25	28.26	69.6	0.136	16		8025	8025			17

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.25	2.33	22		0.418	2.1		215

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.4	28.26	7135	7135	354	79.64	0.18403	0.18403	0.18021	0.1816	0.26501	0.262	RANDOM	32.356

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]
-0.1	-0.05		-0.1		0.14

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	6.106
r_dihedral_angle_1_deg	5.931
r_scbond_it	4.156
r_mcangle_it	3.286
r_mcbond_it	1.855
r_angle_refined_deg	1.269
r_nbd_refined	0.199
r_symmetry_vdw_refined	0.189
r_symmetry_hbond_refined	0.165
r_xyhbond_nbd_refined	0.153

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	6.106
r_dihedral_angle_1_deg	5.931
r_scbond_it	4.156
r_mcangle_it	3.286
r_mcbond_it	1.855
r_angle_refined_deg	1.269
r_nbd_refined	0.199
r_symmetry_vdw_refined	0.189
r_symmetry_hbond_refined	0.165
r_xyhbond_nbd_refined	0.153
r_chiral_restr	0.08
r_bond_refined_d	0.01
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1709
Nucleic Acid Atoms
Solvent Atoms	48
Heterogen Atoms	5

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SHARP	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.