1SS8

GroEL

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	EVAPORATION, RECRYSTALLIZATION	8	298	PEG 8000, 1.72 M ammonium slufate, 4 mM CaCl2, 100mM Tris-acetate , pH 8.0, EVAPORATION, RECRYSTALLIZATION, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
3.33	63.03

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 178.38	α = 90
b = 204.98	β = 90
c = 280.98	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray						M	SINGLE WAVELENGTH

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.7	30.015				123506	117825

Refinement

Statistics
Diffraction ID	Structure Solution Method	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	FOURIER SYNTHESIS	2.7	30	117825	117825	2966		0.216	0.216	0.215	0.249	RANDOM	2.604

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]
-1.211			-1.539		2.75

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.881
r_angle_refined_deg	2.043
r_scangle_it	1.562
r_scbond_it	1.137
r_mcangle_it	0.489
r_symmetry_vdw_refined	0.422
r_symmetry_hbond_refined	0.367
r_mcbond_it	0.297
r_xyhbond_nbd_refined	0.175
r_chiral_restr	0.134
r_bond_refined_d	0.027
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	26957
Nucleic Acid Atoms
Solvent Atoms	107
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
MLPHARE	phasing