Experiment: 4C1E

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1KO3	PDB ENTRY 1KO3

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				0.2 M MAGNESIUM FORMATE, 20 % W/V PEG3350, 1 MM TCEP.

Crystal Properties
Matthews coefficient	Solvent content
2.32	47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 103.921	α = 90
b = 79.034	β = 131.63
c = 67.229	γ = 90

Symmetry
Space Group	C 1 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	RIGAKU CCD	VARIMAX HF	2012-10-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E SUPERBRIGHT

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	1.4	50	98.7	0.1	10.7	2.7		78943			13.46

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	1.4	1.45	95.3		0.35	2	1.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 1KO3	1.399	31.21	1.33	78862	1648	98.57	0.1324	0.1317	0.1672	16.89

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.13
f_angle_d	1.42
f_chiral_restr	0.083
f_bond_d	0.024
f_plane_restr	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3484
Nucleic Acid Atoms
Solvent Atoms	534
Heterogen Atoms	51

Software

Software
Software Name	Purpose
PHENIX	refinement
DENZO	data reduction
SCALEPACK	data scaling
PHASER	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.