Experiment: 1SI5

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.2	292	NaCl, CaCl2, PEG 1500, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
3.14	60.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.7	α = 90
b = 63.7	β = 90
c = 135.1	γ = 120

Symmetry
Space Group	P 31 2 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	CCD	ADSC QUANTUM 4		2003-05-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2	1.000	ALS	5.0.2

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	2.53	50	98	0.246	24	5	10933	10933		-3	56

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)
	2.53	2.62	83		0.368	2.7	4	886

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	2.53	42.64	0.02	10933	10399	531	98	0.248	0.248	0.246	0.301	RANDOM	39.703

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]
0.73	0.36		0.73		-1.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.606
r_dihedral_angle_3_deg	16.101
r_dihedral_angle_4_deg	15.707
r_mcangle_it	6.52
r_scangle_it	5.692
r_dihedral_angle_1_deg	4.846
r_scbond_it	4.11
r_mcbond_it	4.099
r_angle_refined_deg	1.48
r_nbd_refined	0.244

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.606
r_dihedral_angle_3_deg	16.101
r_dihedral_angle_4_deg	15.707
r_mcangle_it	6.52
r_scangle_it	5.692
r_dihedral_angle_1_deg	4.846
r_scbond_it	4.11
r_mcbond_it	4.099
r_angle_refined_deg	1.48
r_nbd_refined	0.244
r_symmetry_vdw_refined	0.227
r_xyhbond_nbd_refined	0.19
r_chiral_restr	0.107
r_symmetry_hbond_refined	0.083
r_bond_refined_d	0.012
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1765
Nucleic Acid Atoms
Solvent Atoms	33
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
TRUNCATE	data reduction
AMoRE	phasing
X-PLOR	refinement
HKL-2000	data collection
HKL-2000	data reduction
CCP4	data scaling

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.