Experiment: 7C3A

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		277	0.16 mM calcium acetate or magnesium acetate, 8-12%(w/v) PEG 8000, 0.2 M sodium iodide, 0.08 M MES

Crystal Properties
Matthews coefficient	Solvent content
2.32	46.92

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 158.692	α = 90
b = 158.692	β = 90
c = 81.446	γ = 90

Symmetry
Space Group	P 42 21 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 210		2005-11-29	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	ADSC QUANTUM 315		2006-06-16	M	SINGLE WAVELENGTH
3	1	x-ray	100	CCD	ADSC QUANTUM 210		2006-02-21	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE AR-NW12A	1.0	Photon Factory	AR-NW12A
2	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-5A	0.97945	Photon Factory	BL-5A
3	SYNCHROTRON	PHOTON FACTORY BEAMLINE AR-NW12A	1.73974	Photon Factory	AR-NW12A

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	2.6	44.1	99.1	0.088	8.7	5.9		32288

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	2.6	2.69	99.9		0.408	3.8	6

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	MAD	THROUGHOUT	2.6	35.67	30616	1636	99.06	0.2509	0.2488	0.2915	RANDOM	90.208

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]
-0.09			-0.09		0.19

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.097
r_dihedral_angle_3_deg	19.746
r_dihedral_angle_4_deg	18.813
r_dihedral_angle_1_deg	5.876
r_angle_refined_deg	1.284
r_angle_other_deg	1.06
r_chiral_restr	0.068
r_bond_refined_d	0.008
r_gen_planes_refined	0.005
r_bond_other_d	0.003

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.097
r_dihedral_angle_3_deg	19.746
r_dihedral_angle_4_deg	18.813
r_dihedral_angle_1_deg	5.876
r_angle_refined_deg	1.284
r_angle_other_deg	1.06
r_chiral_restr	0.068
r_bond_refined_d	0.008
r_gen_planes_refined	0.005
r_bond_other_d	0.003
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7580
Nucleic Acid Atoms
Solvent Atoms	77
Heterogen Atoms	185

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
CrystalClear	data reduction
CrystalClear	data scaling
SOLVE	phasing
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.