4V82

Crystal structure of cyanobacterial Photosystem II in complex with terbutryn

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3BZ1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	batch	7	298	Pipes, CaCl2, DMSO, PEG 2000, pH 7.0, batch, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
3.63	66.14

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 128.08	α = 90
b = 225.37	β = 90
c = 305.68	γ = 90

Symmetry
Space Group	P 21 21 21

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		2009-07-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.93950	ESRF	ID14-4

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	3.2	50	94.1	0.158	0.129	7.76	4.93		137557			110

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	3.2	3.3	90.9		0.594	0.588	2.34	5.07	12582

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	3BZ1	3.2	20	2.2	137557	136912	2751	94.1	0.271	0.269	0.269	0.299	RANDOM	120.3

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]
36.36			-4.99		-31.37

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	18
c_scangle_it	10.6
c_scbond_it	9.24
c_angle_deg	2.2
c_mcangle_it	1.72
c_improper_angle_d	1.41
c_mcbond_it	0.97
c_bond_d	0.013

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	20553
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	4579

Software

Software
Software Name	Purpose
ADSC	data collection
PHASER	phasing
CNS	refinement
XDS	data reduction
XDS	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 R01GM133198.