1ASS

APICAL DOMAIN OF THE CHAPERONIN FROM THERMOPLASMA ACIDOPHILUM

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		3.5		pH 3.5

Crystal Properties
Matthews coefficient	Solvent content
4.27	70

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.35	α = 90
b = 82.35	β = 90
c = 77.83	γ = 120

Symmetry
Space Group	P 31 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	IMAGE PLATE	MARRESEARCH	MIRRORS	1997-04-14	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MPG/DESY, HAMBURG BEAMLINE BW6		MPG/DESY, HAMBURG	BW6

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	2.3	18	96.3	0.05	24.3	4		10935		-3	57.4

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	2.3		95.5		0.256	7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	MIR	RFREE	2.3	10	12774	516	96.3	0.222	0.222	0.251	CONCENTRIC SHELLS	60

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]
22.95	8.95		22.95		16.28

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	25.7
x_scangle_it	7.35
x_scbond_it	5.06
x_mcangle_it	4.62
x_mcbond_it	3.25
x_angle_deg	2.031
x_improper_angle_d	1.686
x_bond_d	0.017
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1175
Nucleic Acid Atoms
Solvent Atoms	35
Heterogen Atoms	16

Software

Software
Software Name	Purpose
MLPHARE	phasing
SOLOMON	phasing
X-PLOR	refinement
DENZO	data reduction
SCALEPACK	data scaling