3K3K

Crystal structure of dimeric abscisic acid (ABA) receptor pyrabactin resistance 1 (PYR1) with ABA-bound closed-lid and ABA-free open-lid subunits

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3F08	PDB entry 3F08

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6.2	293	20% PEG MME 2000, 5% Ammonium sulfate, 5% NaCl, pH 6.2, VAPOR DIFFUSION, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.65	53.64

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.208	α = 90
b = 61.407	β = 98.97
c = 82.844	γ = 90

Symmetry
Space Group	P 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 315r		2009-05-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 12.3.1	1.115932	ALS	12.3.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.7	50	96.6	0.054	0.054	22.8	3.9	53191	53191			30.7

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.7	1.76	76.6		0.391	0.391	2.5	2.8	4195

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 3F08	1.7	50	53122	53122	2685	96.72	0.191	0.191	0.189	0.237	RANDOM	53.873

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]
2.29		1.3	-2.57		0.69

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	42.347
r_scbond_it	40.101
r_dihedral_angle_2_deg	31.363
r_mcangle_it	19.835
r_dihedral_angle_4_deg	18.665
r_mcbond_it	16.864
r_dihedral_angle_3_deg	13.995
r_dihedral_angle_1_deg	6.108
r_angle_refined_deg	1.512
r_nbtor_refined	0.308

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	42.347
r_scbond_it	40.101
r_dihedral_angle_2_deg	31.363
r_mcangle_it	19.835
r_dihedral_angle_4_deg	18.665
r_mcbond_it	16.864
r_dihedral_angle_3_deg	13.995
r_dihedral_angle_1_deg	6.108
r_angle_refined_deg	1.512
r_nbtor_refined	0.308
r_symmetry_vdw_refined	0.225
r_nbd_refined	0.214
r_symmetry_hbond_refined	0.214
r_xyhbond_nbd_refined	0.169
r_chiral_restr	0.114
r_bond_refined_d	0.014
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2924
Nucleic Acid Atoms
Solvent Atoms	380
Heterogen Atoms	19

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	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.