1CSM

THE CRYSTAL STRUCTURE OF ALLOSTERIC CHORISMATE MUTASE AT 2.2 ANGSTROMS RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
3.51	64.93

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 95.8	α = 90
b = 95.8	β = 90
c = 157.9	γ = 120

Symmetry
Space Group	P 61

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		IMAGE PLATE	RIGAKU		1993-10-19	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1

Data Collection

Refinement

Statistics
Diffraction ID	Structure Solution Method	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	Mean Isotropic B
X-RAY DIFFRACTION		2.2	8	2	38840		80.1	0.196	0.196	0.31	32.6

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
x_dihedral_angle_d	20.73
x_angle_deg	1.527
x_improper_angle_d	1.463
x_bond_d	0.11
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
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5110
Nucleic Acid Atoms
Solvent Atoms	291
Heterogen Atoms

Software

Software
Software Name	Purpose
MSC	data collection
X-PLOR	model building
X-PLOR	refinement
MSC	data reduction
X-PLOR	phasing