2P1Q

Mechanism of Auxin Perception by the TIR1 ubiquitin ligase

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2P1M	PDB ENTRY: 2P1M

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	298	100 mM BTP, 10% 14% PEG 20,000, 200 mM NaCl, and 5 mM DTT, pH 6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.93	58.02

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 101.207	α = 90
b = 82.472	β = 104.05
c = 125.053	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	ADSC QUANTUM 315		2006-09-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	1.0000	ALS	8.2.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.91	50	99.9	0.039	33	3.8	69793	69793

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.91	2.03	100		0.249	4.9	3.6

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: 2P1M	1.91	50	69793	3733	94.44	0.17386	0.17177	0.21333	RANDOM	27.399

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]
0.53		0.37	1.12		-1.47

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.843
r_dihedral_angle_4_deg	18.329
r_dihedral_angle_3_deg	15.518
r_dihedral_angle_1_deg	5.826
r_scangle_it	3.608
r_scbond_it	2.373
r_angle_refined_deg	1.634
r_mcangle_it	1.258
r_mcbond_it	0.862
r_nbtor_refined	0.312
r_symmetry_vdw_refined	0.219
r_nbd_refined	0.211
r_symmetry_hbond_refined	0.168
r_xyhbond_nbd_refined	0.163
r_chiral_restr	0.137
r_bond_refined_d	0.017
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5582
Nucleic Acid Atoms
Solvent Atoms	770
Heterogen Atoms	49

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing