4LDW

Crystal structure of the DNA Binding Domain of arabidopsis thaliana auxin response factor 1, P21 structure

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	1 4 mg/mL ARF1DBD + 1 l crystallization buffer (100 mM MES 6.5, 20%PEG 5K MME) 7.7.11), VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.61	52.91

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.26	α = 90
b = 83.67	β = 117.61
c = 79.027	γ = 90

Symmetry
Space Group	P 1 21 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	ADSC QUANTUM 315r		2011-07-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.9393	ESRF	ID14-4

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	2.67	70.02	96.6	0.098	6.9	3.8		23332		-3	73.1

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	2.67	2.81	96.2		0.65	2.2	3.7	3391

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	pdb entry 4LDV	2.67	35.94	22140	1173	96.1	0.21885	0.21561	0.27945	RANDOM	69.443

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]
-0.52		1.32	-2.85		1.73

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.693
r_dihedral_angle_4_deg	19.709
r_dihedral_angle_3_deg	18.589
r_dihedral_angle_1_deg	6.868
r_long_range_B_refined	5.466
r_long_range_B_other	5.464
r_scangle_other	3.089
r_mcangle_it	2.939
r_mcangle_other	2.939
r_scbond_it	1.87
r_scbond_other	1.869
r_mcbond_it	1.756
r_mcbond_other	1.755
r_angle_refined_deg	1.481
r_angle_other_deg	0.772
r_chiral_restr	0.081
r_bond_refined_d	0.011
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5104
Nucleic Acid Atoms
Solvent Atoms	54
Heterogen Atoms	2

Software

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