4PJ1

Crystal structure of the human mitochondrial chaperonin symmetrical 'football' complex

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		303	Protein concentration: mHsp60, 9.5 mg/ml ; mHsp10, 1.6 mg/ml; Composition of protein solution: 50 mM Tris-HCl pH 7.7, 300 mM NaCl, 5% glycerol, 15 mM MgCl2, 0.5 mM KCl,1 mM ATP; Composition of reservoir solution: 0.2 M ammonium acetate, 0.1 M sodium citrate tribasic dehydrate,30-35%(v/v) PEG 400 Volume and ratio of drop:5 micro l (1:1)

Crystal Properties
Matthews coefficient	Solvent content
3.29	62.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 199.1	α = 90
b = 199.1	β = 90
c = 627.39	γ = 90

Symmetry
Space Group	P 41 21 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	PIXEL	DECTRIS PILATUS 6M		2013-12-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.95370	ESRF	ID29

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	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	3.15	49.78	99.8	0.136	0.058	9	6.2		217130

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3.15	3.26	99.1		1.491	0.793	0.7	4.1	20886

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation 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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1AON	3.15	49.775	1.34	215814	10844	99.28	0.2422	0.2407	0.2704	RANDOM	121.1628

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	18.178
f_angle_d	1.109
f_chiral_restr	0.041
f_bond_d	0.004
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	65571
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	392

Software

Software
Software Name	Purpose
XDS	data reduction
PDB_EXTRACT	data extraction
MOLREP	phasing
PHENIX	refinement
XSCALE	data scaling
Aimless	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.