Experiment: 2XQS

Microscopic rotary mechanism of ion translocation in the Fo complex of ATP synthases

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		10.2		pH 10.2

Crystal Properties
Matthews coefficient	Solvent content
3.92	68.66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 92.93	α = 90
b = 92.93	β = 90
c = 258.54	γ = 120

Symmetry
Space Group	P 63 2 2

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	MARRESEARCH		2009-02-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-2		ESRF	ID23-2

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	3	40	99.6	0.3	7.5	4.1		13974		1.8	57.08

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	3	3.1	98.9		1.22	1.8	4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 2WIE	3	45.732	2	13929	696	99.34	0.1955	0.1927	0.1934	0.2464	0.2424	49.7

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]
10.4478			10.4478		-20.8957

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	19.397
f_angle_d	1.087
f_chiral_restr	0.061
f_bond_d	0.007
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2885
Nucleic Acid Atoms
Solvent Atoms	5
Heterogen Atoms	375

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing