1FT1

CRYSTAL STRUCTURE OF PROTEIN FARNESYLTRANSFERASE AT 2.25 ANGSTROMS RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7		HANG DROP, PROTEIN CONCENTRATION BETWEEN 4 AND 16MG/ML IN 20 MM KCL, 10MM ZNCL, 10MM DTT, 20MM TRIS PH7.7, RESERVOIR SOLUTION OF 13 - 18% PEG 8000, 200MM AMMONIUM ACETATE, PH 7.0, vapor diffusion - hanging drop

Crystal Properties
Matthews coefficient	Solvent content
3.79	68

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 167.06	α = 90
b = 167.06	β = 90
c = 97.9	γ = 120

Symmetry
Space Group	P 65

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	96	IMAGE PLATE	RIGAKU	MSC DOUBLE-MIRRORS	1997-06-17	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.25	25	98.1	0.049	0.049	18.4	4		72290		-3	26.7

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.25	2.28	81.8		0.556	0.556	0.92	1.2

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	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MULTIPLE ISOMORPHOUS REPLACEMENT	2.25	6	1	62497	2825	89.58	0.21	0.21	0.26	YES	31.2

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	20.43
x_angle_deg	1.748
x_mcbond_it	1.454
x_scbond_it	1.454
x_improper_angle_d	1.364
x_mcangle_it	1.132
x_scangle_it	1.132
x_bond_d	0.01
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	5950
Nucleic Acid Atoms
Solvent Atoms	403
Heterogen Atoms	1

Software

Software
Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
DENZO	data reduction
SCALEPACK	data scaling
X-PLOR	phasing