6TOC

Crystal structure of the oligomerisation domain of the transcription factor PHOSPHATE STARVATION RESPONSE 1 from Arabidopsis (crystal form 3).

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	0.1 M Bis-Tri pH 6.5, 0.1 M NaCl, 1.5 M (NH4)2SO4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 31.523	α = 90
b = 31.523	β = 90
c = 81.599	γ = 90

Symmetry
Space Group	P 42

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 2M-F		2016-06-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06DA	1.000040	SLS	X06DA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rrim I (All)	CC (Half)	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	1.85	31.523	99.8	0.073	1	21.4	13.5		6769		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.85	1.97	99.3		2.76	0.4	1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	6TO5	1.853	31.5	6767	334	99.882	0.211	0.2087	0.265	38.292

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]
7.702			7.702		-15.404

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_4_deg	28.606
r_dihedral_angle_2_deg	28.527
r_dihedral_angle_3_deg	16.136
r_lrange_other	6.667
r_lrange_it	6.662
r_scangle_other	5.094
r_scangle_it	5.093
r_dihedral_angle_1_deg	3.575
r_scbond_it	3.247
r_scbond_other	3.244
r_mcangle_it	3.084
r_mcangle_other	3.084
r_mcbond_it	2.073
r_mcbond_other	2.064
r_angle_other_deg	1.23
r_angle_refined_deg	1.2
r_symmetry_xyhbond_nbd_refined	0.338
r_xyhbond_nbd_refined	0.273
r_symmetry_nbd_refined	0.237
r_nbd_refined	0.21
r_nbd_other	0.193
r_xyhbond_nbd_other	0.191
r_symmetry_nbd_other	0.182
r_nbtor_refined	0.149
r_ncsr_local_group_1	0.131
r_symmetry_nbtor_other	0.08
r_chiral_restr	0.059
r_bond_refined_d	0.005
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	743
Nucleic Acid Atoms
Solvent Atoms	20
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing