Experiment: 4A4C

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2ESK	PDB ENTRIES 2ESK, 1FBV
experimental model	PDB	1FBV	PDB ENTRIES 2ESK, 1FBV

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1			277	50 MM HEPES, PH 7.5, 0.2 M KCL AND 31-35% (V/V) PENTAERYTHRITOL PROPOXYLATE (5/4 PO/OH) AT 4 DEGREES CELSIUS.

Crystal Properties
Matthews coefficient	Solvent content
2.94	58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.285	α = 90
b = 75.285	β = 90
c = 459.66	γ = 120

Symmetry
Space Group	P 65 2 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 315r			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02		Diamond	I02

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	2.7	30	99.5	0.06	29.9	16.8		22290		2	84.14

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	2.7	2.85	98.6		0.64	4.2	13.6

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 ENTRIES 2ESK, 1FBV	2.704	29.325	1.35	22290	1134	99.31	0.2059	0.2027	0.2677	101

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]
-2.7785			-2.7785		5.5569

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	16.377
f_angle_d	1.308
f_chiral_restr	0.091
f_bond_d	0.009
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4261
Nucleic Acid Atoms
Solvent Atoms	10
Heterogen Atoms	3

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
SCALA	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.