Experiment: 3FFA

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1AS0

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6	293	100 mM Sodium Acetate pH 5.9-6.3, 1.8-2.1 M Ammonium Sulphate, VAPOR DIFFUSION, temperature 293K, pH 6.0

Crystal Properties
Matthews coefficient	Solvent content
2.32	47.09

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.008	α = 90
b = 79.008	β = 90
c = 105.667	γ = 120

Symmetry
Space Group	P 32 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	298	CCD	ADSC QUANTUM 315	mirrors	2006-11-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.973	APS	24-ID-C

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	2.3	57.4	100	0.083		5.3		17460	3	3

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)
	2.3	2.4	100		0.22	7.3	5.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	MOLECULAR REPLACEMENT	THROUGHOUT	1AS0	2.3	57.4	17447	16564	883	99.91	0.18809	0.18477	0.25157	RANDOM	17.176

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]
0.39	0.2		0.39		-0.59

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.71
r_dihedral_angle_4_deg	20.453
r_dihedral_angle_3_deg	16.424
r_dihedral_angle_1_deg	6.797
r_scangle_it	5.418
r_scbond_it	3.458
r_mcangle_it	1.978
r_angle_refined_deg	1.876
r_mcbond_it	1.254
r_nbtor_refined	0.308

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.71
r_dihedral_angle_4_deg	20.453
r_dihedral_angle_3_deg	16.424
r_dihedral_angle_1_deg	6.797
r_scangle_it	5.418
r_scbond_it	3.458
r_mcangle_it	1.978
r_angle_refined_deg	1.876
r_mcbond_it	1.254
r_nbtor_refined	0.308
r_nbd_refined	0.224
r_symmetry_vdw_refined	0.223
r_xyhbond_nbd_refined	0.181
r_symmetry_hbond_refined	0.155
r_chiral_restr	0.11
r_bond_refined_d	0.022
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2538
Nucleic Acid Atoms
Solvent Atoms	49
Heterogen Atoms	38

Software

Software
Software Name	Purpose
ADSC	data collection
PHASER	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

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.